diff --git a/.gitignore b/.gitignore
index f727868e..788739fd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,6 @@
 .idea
 dist/
 node_modules/
-package-lock.json
 .tool-versions
 
 packaged/
diff --git a/Cargo.lock b/Cargo.lock
index e1832b6c..b47e9847 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -642,6 +642,8 @@ version = "0.0.0"
 dependencies = [
  "anyhow",
  "chrono",
+ "commons",
+ "indoc",
  "node-semver",
  "opentelemetry",
  "opentelemetry-stdout",
@@ -690,6 +692,23 @@ dependencies = [
  "toml 0.8.2",
 ]
 
+[[package]]
+name = "heroku-npm-install-buildpack"
+version = "0.0.0"
+dependencies = [
+ "commons",
+ "heroku-nodejs-utils",
+ "indoc",
+ "libcnb 0.15.0",
+ "libcnb-test",
+ "libherokubuildpack 0.15.0",
+ "serde",
+ "serde_json",
+ "test_support",
+ "toml 0.8.2",
+ "ureq",
+]
+
 [[package]]
 name = "hex"
 version = "0.4.3"
diff --git a/Cargo.toml b/Cargo.toml
index 01a940d8..9df85826 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,6 +4,7 @@ members = [
   "buildpacks/nodejs-corepack",
   "buildpacks/nodejs-function-invoker",
   "buildpacks/nodejs-npm-engine",
+  "buildpacks/nodejs-npm-install",
   "buildpacks/nodejs-pnpm-install",
   "buildpacks/nodejs-yarn",
   "common/nodejs-utils",
diff --git a/README.md b/README.md
index 9072218a..05f19d91 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,7 @@ Heroku's official [Cloud Native Buildpacks](https://buildpacks.io) for the Node.
 | `heroku/nodejs-corepack`     | Corepack       | [Readme](https://github.com/heroku/buildpacks-nodejs/blob/main/buildpacks/nodejs-corepack/README.md)     | [Changelog](https://github.com/heroku/buildpacks-nodejs/blob/main/buildpacks/nodejs-corepack/CHANGELOG.md)     | [<img src="https://img.shields.io/badge/dynamic/json?url=https://registry.buildpacks.io/api/v1/buildpacks/heroku/nodejs-corepack&label=version&query=$.latest.version&color=DF0A6B&logo=data:image/png;base64,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&labelColor=white" align="center"></img>](https://registry.buildpacks.io/buildpacks/heroku/nodejs-corepack)         |
 | `heroku/nodejs-npm`          | npm            | [Readme](https://github.com/heroku/buildpacks-nodejs/blob/main/buildpacks/npm/README.md)                 | [Changelog](https://github.com/heroku/buildpacks-nodejs/blob/main/buildpacks/npm/CHANGELOG.md)                 | [<img src="https://img.shields.io/badge/dynamic/json?url=https://registry.buildpacks.io/api/v1/buildpacks/heroku/nodejs-npm&label=version&query=$.latest.version&color=DF0A6B&logo=data:image/png;base64,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&labelColor=white" align="center"></img>](https://registry.buildpacks.io/buildpacks/heroku/nodejs-npm)                   |
 | `heroku/nodejs-npm-engine`   | npm Engine     | [Readme](https://github.com/heroku/buildpacks-nodejs/blob/main/buildpacks/nodejs-npm-engine/README.md)   | [Changelog](https://github.com/heroku/buildpacks-nodejs/blob/main/buildpacks/nodejs-npm-engine/CHANGELOG.md)   | [<img src="https://img.shields.io/badge/dynamic/json?url=https://registry.buildpacks.io/api/v1/buildpacks/heroku/nodejs-npm-engine&label=version&query=$.latest.version&color=DF0A6B&logo=data:image/png;base64,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&labelColor=white" align="center"></img>](https://registry.buildpacks.io/buildpacks/heroku/nodejs-npm-engine)     |
+| `heroku/nodejs-npm-install`  | npm Install    | [Readme](https://github.com/heroku/buildpacks-nodejs/blob/main/buildpacks/nodejs-npm-install/README.md)  | [Changelog](https://github.com/heroku/buildpacks-nodejs/blob/main/buildpacks/nodejs-npm-install/CHANGELOG.md)  | [<img src="https://img.shields.io/badge/dynamic/json?url=https://registry.buildpacks.io/api/v1/buildpacks/heroku/nodejs-npm-install&label=version&query=$.latest.version&color=DF0A6B&logo=data:image/png;base64,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&labelColor=white" align="center"></img>](https://registry.buildpacks.io/buildpacks/heroku/nodejs-npm-install)   |
 | `heroku/nodejs-pnpm-install` | pnpm install   | [Readme](https://github.com/heroku/buildpacks-nodejs/blob/main/buildpacks/nodejs-pnpm-install/README.md) | [Changelog](https://github.com/heroku/buildpacks-nodejs/blob/main/buildpacks/nodejs-pnpm-install/CHANGELOG.md) | [<img src="https://img.shields.io/badge/dynamic/json?url=https://registry.buildpacks.io/api/v1/buildpacks/heroku/nodejs-pnpm-install&label=version&query=$.latest.version&color=DF0A6B&logo=data:image/png;base64,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&labelColor=white" align="center"></img>](https://registry.buildpacks.io/buildpacks/heroku/nodejs-pnpm-install) |
 | `heroku/nodejs-yarn`         | Yarn           | [Readme](https://github.com/heroku/buildpacks-nodejs/blob/main/buildpacks/nodejs-yarn/README.md)         | [Changelog](https://github.com/heroku/buildpacks-nodejs/blob/main/buildpacks/yarn/CHANGELOG.md)                | [<img src="https://img.shields.io/badge/dynamic/json?url=https://registry.buildpacks.io/api/v1/buildpacks/heroku/nodejs-yarn&label=version&query=$.latest.version&color=DF0A6B&logo=data:image/png;base64,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&labelColor=white" align="center"></img>](https://registry.buildpacks.io/buildpacks/heroku/nodejs-yarn)                 |
 
diff --git a/buildpacks/nodejs-engine/tests/integration_test.rs b/buildpacks/nodejs-engine/tests/integration_test.rs
index f962dd24..79537df1 100644
--- a/buildpacks/nodejs-engine/tests/integration_test.rs
+++ b/buildpacks/nodejs-engine/tests/integration_test.rs
@@ -1,6 +1,6 @@
 #![warn(clippy::pedantic)]
 
-use libcnb_test::{assert_contains, assert_not_contains};
+use libcnb_test::assert_contains;
 use test_support::{
     assert_web_response, nodejs_integration_test, nodejs_integration_test_with_config,
     set_node_engine,
@@ -47,37 +47,3 @@ fn reinstalls_node_if_version_changes() {
         },
     );
 }
-
-// TODO: move this test & fixture to the npm buildpack once that is ready
-#[test]
-#[ignore]
-fn npm_project_with_no_lockfile() {
-    nodejs_integration_test("../../../test/fixtures/npm-project", |ctx| {
-        assert_contains!(ctx.pack_stdout, "Installing Node");
-        assert_contains!(ctx.pack_stdout, "Installing node modules");
-
-        assert_not_contains!(ctx.pack_stdout, "Installing yarn");
-        assert_not_contains!(ctx.pack_stdout, "Installing node modules from ./yarn.lock");
-        assert_not_contains!(
-            ctx.pack_stdout,
-            "Installing node modules from ./package-lock.json"
-        );
-    });
-}
-
-// TODO: move this test & fixture to the npm buildpack once that is ready
-#[test]
-#[ignore]
-fn npm_project_with_lockfile() {
-    nodejs_integration_test("../../../test/fixtures/npm-project-with-lockfile", |ctx| {
-        assert_contains!(ctx.pack_stdout, "Installing Node");
-        assert_contains!(ctx.pack_stdout, "Installing node modules");
-        assert_contains!(
-            ctx.pack_stdout,
-            "Installing node modules from ./package-lock.json"
-        );
-
-        assert_not_contains!(ctx.pack_stdout, "Installing yarn");
-        assert_not_contains!(ctx.pack_stdout, "Installing node modules from ./yarn.lock");
-    });
-}
diff --git a/buildpacks/nodejs-npm-install/CHANGELOG.md b/buildpacks/nodejs-npm-install/CHANGELOG.md
new file mode 100644
index 00000000..8253ed02
--- /dev/null
+++ b/buildpacks/nodejs-npm-install/CHANGELOG.md
@@ -0,0 +1,13 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+### Added
+
+- Initial release
+ 
\ No newline at end of file
diff --git a/buildpacks/nodejs-npm-install/Cargo.toml b/buildpacks/nodejs-npm-install/Cargo.toml
new file mode 100644
index 00000000..a1aac45b
--- /dev/null
+++ b/buildpacks/nodejs-npm-install/Cargo.toml
@@ -0,0 +1,22 @@
+[package]
+name = "heroku-npm-install-buildpack"
+description = "Heroku Node.js npm Install Cloud Native Buildpack"
+version.workspace = true
+rust-version.workspace = true
+edition.workspace = true
+publish.workspace = true
+
+[dependencies]
+commons.workspace = true
+heroku-nodejs-utils.workspace = true
+libcnb.workspace = true
+libherokubuildpack.workspace = true
+serde.workspace = true
+indoc.workspace = true
+toml.workspace = true
+
+[dev-dependencies]
+libcnb-test.workspace = true
+serde_json.workspace = true
+test_support.workspace = true
+ureq.workspace = true
diff --git a/buildpacks/nodejs-npm-install/README.md b/buildpacks/nodejs-npm-install/README.md
new file mode 100644
index 00000000..87a1895b
--- /dev/null
+++ b/buildpacks/nodejs-npm-install/README.md
@@ -0,0 +1,65 @@
+# Heroku Cloud Native npm Install Buildpack
+
+[![CI][CI BADGE]][CI LINK] [![Registry][Registry BADGE]][Registry LINK]
+
+Heroku's official Cloud Native Buildpack for executing `npm install`.
+
+## How it works
+
+The buildpack will pass detection if:
+ 
+- A `package-lock.json` file is found at the root of the application source.
+
+### Step 1: Configure npm cache
+
+Node modules downloaded during the [install step](#step-2-install-node-modules) will be cached. Subsequent builds will use 
+this cache speed up installs.
+
+### Step 2: Install Node modules
+
+Node modules are installed by executing `npm ci --production=false`.
+
+### Step 3: Execute build scripts
+
+The following scripts will be executed with `npm run <script>` in the order listed:
+
+- `heroku-prebuild`
+- `heroku-build` or `build` (if both are present, only `heroku-build` will execute)
+- `heroku-postbuild`
+
+If any of the above scripts are not defined in `package.json` they will be skipped. 
+
+### Step 4: Configure processes
+
+If there is a `start` script defined in `package.json` a default `web` process will be
+added that executes `npm start`.
+
+## Build Plan
+
+### Requires
+
+| Name           | Description                                                                                                                                                                                                                |
+|----------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| `node`         | To execute `npm` a [Node.js][Node.js] runtime is required. It can be provided by the [`heroku/nodejs-engine`][heroku/nodejs-engine] buildpack.                                                                             |
+| `npm`          | To install node modules, the [npm][npm] package manager is required. It can be provided by either the [`heroku/nodejs-engine`][heroku/nodejs-engine] or [`heroku/nodejs-npm-engine`][heroku/nodejs-npm-engine] buildpacks. |
+| `node_modules` | This is not a strict requirement of the buildpack. Requiring `node_modules` ensures that this buildpack can be used even when no other buildpack requires `node_modules`.                                                  |
+
+
+### Provides
+
+| Name           | Description                                                                       |
+|----------------|-----------------------------------------------------------------------------------|
+| `node_modules` | Allows other buildpacks to depend on the Node modules provided by this buildpack. |
+
+## License
+
+See [LICENSE](../../LICENSE) file.
+
+[CI BADGE]: https://github.com/heroku/buildpacks-nodejs/actions/workflows/ci.yml/badge.svg
+[CI LINK]: https://github.com/heroku/buildpacks-nodejs/actions/workflows/ci.yml
+[Registry BADGE]: https://img.shields.io/badge/dynamic/json?url=https://registry.buildpacks.io/api/v1/buildpacks/heroku/nodejs-npm-install&label=version&query=$.latest.version&color=DF0A6B&logo=data:image/png;base64,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&labelColor=white
+[Registry LINK]: https://registry.buildpacks.io/buildpacks/heroku/nodejs-npm-install
+[Node.js]: https://nodejs.org/
+[npm]: https://docs.npmjs.com/
+[heroku/nodejs-engine]: ../nodejs-engine/README.md
+[heroku/nodejs-npm-engine]: ../nodejs-npm-engine/README.md
diff --git a/buildpacks/nodejs-npm-install/buildpack.toml b/buildpacks/nodejs-npm-install/buildpack.toml
new file mode 100644
index 00000000..d9360013
--- /dev/null
+++ b/buildpacks/nodejs-npm-install/buildpack.toml
@@ -0,0 +1,19 @@
+api = "0.9"
+
+[buildpack]
+id = "heroku/nodejs-npm-install"
+version = "1.1.7"
+name = "Heroku Node.js npm Install Buildpack"
+homepage = "https://github.com/heroku/buildpacks-nodejs"
+keywords = ["node", "node.js", "nodejs", "javascript", "js", "npm", "install"]
+
+[[buildpack.licenses]]
+type = "MIT"
+
+[[stacks]]
+id = "*"
+
+[metadata]
+[metadata.release]
+[metadata.release.image]
+repository = "docker.io/heroku/buildpack-nodejs-npm-install"
diff --git a/buildpacks/nodejs-npm-install/src/errors.rs b/buildpacks/nodejs-npm-install/src/errors.rs
new file mode 100644
index 00000000..bae19476
--- /dev/null
+++ b/buildpacks/nodejs-npm-install/src/errors.rs
@@ -0,0 +1,209 @@
+use crate::npm;
+use crate::BUILDPACK_NAME;
+use commons::fun_run::CmdError;
+use commons::output::build_log::{BuildLog, Logger, StartedLogger};
+use commons::output::fmt;
+use commons::output::fmt::DEBUG_INFO;
+use heroku_nodejs_utils::application;
+use heroku_nodejs_utils::package_json::PackageJsonError;
+use indoc::formatdoc;
+use std::fmt::Display;
+use std::io::stdout;
+
+const USE_DEBUG_INFORMATION_AND_RETRY_BUILD: &str = "\
+Use the debug information above to troubleshoot and retry your build.";
+
+const SUBMIT_AN_ISSUE: &str = "\
+If the issue persists and you think you found a bug in the buildpack then reproduce the issue \
+locally with a minimal example and open an issue in the buildpack's GitHub repository with the details.";
+
+#[derive(Debug)]
+pub(crate) enum NpmInstallBuildpackError {
+    Application(application::Error),
+    BuildScript(CmdError),
+    Detect(std::io::Error),
+    NpmInstall(CmdError),
+    NpmSetCacheDir(CmdError),
+    NpmVersion(npm::VersionError),
+    PackageJson(PackageJsonError),
+}
+
+pub(crate) fn on_error(error: libcnb::Error<NpmInstallBuildpackError>) {
+    let logger = BuildLog::new(stdout()).without_buildpack_name();
+    match error {
+        libcnb::Error::BuildpackError(buildpack_error) => {
+            on_buildpack_error(buildpack_error, logger)
+        }
+        framework_error => on_framework_error(framework_error, logger),
+    }
+}
+
+pub(crate) fn on_buildpack_error(error: NpmInstallBuildpackError, logger: Box<dyn StartedLogger>) {
+    match error {
+        NpmInstallBuildpackError::Application(e) => on_application_error(e, logger),
+        NpmInstallBuildpackError::BuildScript(e) => on_build_script_error(e, logger),
+        NpmInstallBuildpackError::Detect(e) => on_detect_error(e, logger),
+        NpmInstallBuildpackError::NpmInstall(e) => on_npm_install_error(e, logger),
+        NpmInstallBuildpackError::NpmSetCacheDir(e) => on_set_cache_dir_error(e, logger),
+        NpmInstallBuildpackError::NpmVersion(e) => on_npm_version_error(e, logger),
+        NpmInstallBuildpackError::PackageJson(e) => on_package_json_error(e, logger),
+    }
+}
+
+fn on_package_json_error(error: PackageJsonError, logger: Box<dyn StartedLogger>) {
+    match error {
+        PackageJsonError::AccessError(e) => {
+            print_error_details(logger, &e)
+                .announce()
+                .error(&formatdoc! {"
+                    Error reading {package_json}.
+
+                    This buildpack requires {package_json} to complete the build but the file can’t be read. 
+                    
+                    {USE_DEBUG_INFORMATION_AND_RETRY_BUILD}
+
+                    {SUBMIT_AN_ISSUE}
+                ", package_json = fmt::value("package.json") });
+        }
+        PackageJsonError::ParseError(e) => {
+            print_error_details(logger, &e)
+                .announce()
+                .error(&formatdoc! {"
+                    Error reading {package_json}.
+
+                    This buildpack requires {package_json} to complete the build but the file \
+                    can’t be parsed. Ensure {npm_install} runs locally to check the formatting in your file.
+                    
+                    {USE_DEBUG_INFORMATION_AND_RETRY_BUILD}
+
+                    {SUBMIT_AN_ISSUE}
+                ", package_json = fmt::value("package.json"), npm_install = fmt::value("npm install") });
+        }
+    }
+}
+
+fn on_set_cache_dir_error(error: CmdError, logger: Box<dyn StartedLogger>) {
+    print_error_details(logger, &error)
+        .announce()
+        .error(&formatdoc! {"
+            Failed to set the {npm} cache directory.
+
+            An unexpected error occurred while setting the {npm} cache directory. 
+                    
+            {USE_DEBUG_INFORMATION_AND_RETRY_BUILD}
+
+            {SUBMIT_AN_ISSUE}
+        ", npm = fmt::value("npm") });
+}
+
+fn on_npm_version_error(error: npm::VersionError, logger: Box<dyn StartedLogger>) {
+    match error {
+        npm::VersionError::Command(e) => {
+            print_error_details(logger, &e)
+                .announce()
+                .error(&formatdoc! {"
+                    Failed to determine {npm} version information.
+
+                    An unexpected error occurred while executing {npm_version}.  
+                    
+                    {SUBMIT_AN_ISSUE}
+                ", npm = fmt::value("npm"), npm_version = fmt::value(e.name()) });
+        }
+        npm::VersionError::Parse(stdout, e) => {
+            print_error_details(logger, &e)
+                .announce()
+                .error(&formatdoc! {"
+                    Failed to parse {npm} version information.
+        
+                    An unexpected error occurred while parsing version information from {output}. 
+                    
+                    {SUBMIT_AN_ISSUE}
+                ", npm = fmt::value("npm"), output = fmt::value(stdout) });
+        }
+    }
+}
+
+fn on_npm_install_error(error: CmdError, logger: Box<dyn StartedLogger>) {
+    print_error_details(logger, &error)
+        .announce()
+        .error(&formatdoc! {"
+            Failed to install Node modules.
+
+            The {buildpack_name} uses the command {npm_install} to install your Node modules. This command \
+            failed and the buildpack cannot continue. See the log output above for more information.
+
+            This error can occur due to an unstable network connection. Ensure that this command runs locally \
+            without error (exit status = 0) and retry your build.
+            
+            If that doesn’t help, check the status of the upstream Node module repository service at https://status.npmjs.org/.
+        ", npm_install = fmt::value(error.name()), buildpack_name = fmt::value(BUILDPACK_NAME) });
+}
+
+fn on_build_script_error(error: CmdError, logger: Box<dyn StartedLogger>) {
+    print_error_details(logger, &error)
+        .announce()
+        .error(&formatdoc! {"
+            Failed to execute build script.
+
+            The {buildpack_name} allows customization of the build process by executing the following scripts \
+            if they are defined in {package_json}:
+            - {heroku_prebuild} 
+            - {heroku_build} or {build} 
+            - {heroku_postbuild}
+
+            An unexpected error occurred while executing {build_script}. See the log output above for more information.
+
+            Ensure that this command runs locally without error and retry your build.
+        ",
+            build_script = fmt::value(error.name()),
+            buildpack_name = fmt::value(BUILDPACK_NAME),
+            package_json = fmt::value("package.json"),
+            heroku_prebuild = fmt::value("heroku-prebuild"),
+            heroku_build = fmt::value("heroku-build"),
+            build = fmt::value("build"),
+            heroku_postbuild = fmt::value("heroku-postbuild"),
+        });
+}
+
+fn on_application_error(error: application::Error, logger: Box<dyn StartedLogger>) {
+    logger.announce().error(&error.to_string());
+}
+
+fn on_detect_error(error: std::io::Error, logger: Box<dyn StartedLogger>) {
+    print_error_details(logger, &error)
+        .announce()
+        .error(&formatdoc! {"
+            Unable to complete buildpack detection.
+
+            An unexpected error occurred while determining if the {buildpack_name} should be \
+            run for this application. See the log output above for more information. 
+        ", buildpack_name = fmt::value(BUILDPACK_NAME) });
+}
+
+fn on_framework_error(
+    error: libcnb::Error<NpmInstallBuildpackError>,
+    logger: Box<dyn StartedLogger>,
+) {
+    print_error_details(logger, &error)
+        .announce()
+        .error(&formatdoc! {"
+            {buildpack_name} internal error.
+
+            The framework used by this buildpack encountered an unexpected error.
+            
+            If you can't deploy to Heroku due to this issue, check the official Heroku Status page at \
+            status.heroku.com for any ongoing incidents. After all incidents resolve, retry your build.
+
+            {SUBMIT_AN_ISSUE}
+        ", buildpack_name = fmt::value(BUILDPACK_NAME) });
+}
+
+fn print_error_details(
+    logger: Box<dyn StartedLogger>,
+    error: &impl Display,
+) -> Box<dyn StartedLogger> {
+    logger
+        .section(DEBUG_INFO)
+        .step(&error.to_string())
+        .end_section()
+}
diff --git a/buildpacks/nodejs-npm-install/src/layers/mod.rs b/buildpacks/nodejs-npm-install/src/layers/mod.rs
new file mode 100644
index 00000000..f8027a81
--- /dev/null
+++ b/buildpacks/nodejs-npm-install/src/layers/mod.rs
@@ -0,0 +1 @@
+pub(crate) mod npm_cache;
diff --git a/buildpacks/nodejs-npm-install/src/layers/npm_cache.rs b/buildpacks/nodejs-npm-install/src/layers/npm_cache.rs
new file mode 100644
index 00000000..6d205b7e
--- /dev/null
+++ b/buildpacks/nodejs-npm-install/src/layers/npm_cache.rs
@@ -0,0 +1,64 @@
+use crate::NpmInstallBuildpack;
+use commons::output::section_log::{log_step, SectionLogger};
+use libcnb::build::BuildContext;
+use libcnb::data::layer_content_metadata::LayerTypes;
+use libcnb::layer::{ExistingLayerStrategy, Layer, LayerData, LayerResult, LayerResultBuilder};
+use libcnb::Buildpack;
+use serde::{Deserialize, Serialize};
+use std::path::Path;
+
+pub(crate) struct NpmCacheLayer<'a> {
+    // this ensures we have a logging section already created
+    pub(crate) _section_logger: &'a dyn SectionLogger,
+}
+
+impl<'a> Layer for NpmCacheLayer<'a> {
+    type Buildpack = NpmInstallBuildpack;
+    type Metadata = NpmCacheLayerMetadata;
+
+    fn types(&self) -> LayerTypes {
+        LayerTypes {
+            build: true,
+            launch: false,
+            cache: true,
+        }
+    }
+
+    fn create(
+        &self,
+        _context: &BuildContext<Self::Buildpack>,
+        _layer_path: &Path,
+    ) -> Result<LayerResult<Self::Metadata>, <Self::Buildpack as Buildpack>::Error> {
+        log_step("Creating npm cache");
+        LayerResultBuilder::new(NpmCacheLayerMetadata::default()).build()
+    }
+
+    fn existing_layer_strategy(
+        &self,
+        _context: &BuildContext<Self::Buildpack>,
+        layer_data: &LayerData<Self::Metadata>,
+    ) -> Result<ExistingLayerStrategy, <Self::Buildpack as Buildpack>::Error> {
+        if layer_data.content_metadata.metadata.layer_version == LAYER_VERSION {
+            log_step("Restoring npm cache");
+            Ok(ExistingLayerStrategy::Keep)
+        } else {
+            log_step("Recreating npm cache (layer version changed)");
+            Ok(ExistingLayerStrategy::Recreate)
+        }
+    }
+}
+
+const LAYER_VERSION: &str = "1";
+
+#[derive(Deserialize, Serialize, Clone, PartialEq)]
+pub(crate) struct NpmCacheLayerMetadata {
+    layer_version: String,
+}
+
+impl Default for NpmCacheLayerMetadata {
+    fn default() -> Self {
+        Self {
+            layer_version: LAYER_VERSION.to_string(),
+        }
+    }
+}
diff --git a/buildpacks/nodejs-npm-install/src/main.rs b/buildpacks/nodejs-npm-install/src/main.rs
new file mode 100644
index 00000000..a2dfa852
--- /dev/null
+++ b/buildpacks/nodejs-npm-install/src/main.rs
@@ -0,0 +1,217 @@
+mod errors;
+mod layers;
+mod npm;
+
+use crate::errors::NpmInstallBuildpackError;
+use crate::layers::npm_cache::NpmCacheLayer;
+use commons::fun_run::CommandWithName;
+use commons::output::build_log::{BuildLog, Logger, SectionLogger};
+use commons::output::fmt;
+use commons::output::section_log::{log_step, log_step_stream};
+use commons::output::warn_later::WarnGuard;
+use heroku_nodejs_utils::application;
+use heroku_nodejs_utils::package_json::PackageJson;
+use heroku_nodejs_utils::package_manager::PackageManager;
+use heroku_nodejs_utils::vrs::Version;
+use libcnb::build::{BuildContext, BuildResult, BuildResultBuilder};
+use libcnb::data::build_plan::BuildPlanBuilder;
+use libcnb::data::launch::{LaunchBuilder, ProcessBuilder};
+use libcnb::data::{layer_name, process_type};
+use libcnb::detect::{DetectContext, DetectResult, DetectResultBuilder};
+use libcnb::generic::{GenericMetadata, GenericPlatform};
+use libcnb::{buildpack_main, Buildpack, Env};
+use std::io::{stdout, Stdout};
+use std::path::Path;
+use std::process::Command;
+
+pub(crate) const BUILDPACK_NAME: &str = "Heroku Node.js npm Install Buildpack";
+
+pub(crate) struct NpmInstallBuildpack;
+
+impl Buildpack for NpmInstallBuildpack {
+    type Platform = GenericPlatform;
+    type Metadata = GenericMetadata;
+    type Error = NpmInstallBuildpackError;
+
+    fn detect(&self, context: DetectContext<Self>) -> libcnb::Result<DetectResult, Self::Error> {
+        let package_json_exists = context
+            .app_dir
+            .join(PackageManager::Npm.lockfile())
+            .try_exists()
+            .map_err(NpmInstallBuildpackError::Detect)?;
+
+        if package_json_exists {
+            DetectResultBuilder::pass()
+                .build_plan(
+                    BuildPlanBuilder::new()
+                        .provides("node_modules")
+                        .requires("npm")
+                        .requires("node_modules")
+                        .requires("node")
+                        .build(),
+                )
+                .build()
+        } else {
+            DetectResultBuilder::fail().build()
+        }
+    }
+
+    fn build(&self, context: BuildContext<Self>) -> libcnb::Result<BuildResult, Self::Error> {
+        let logger = BuildLog::new(stdout()).buildpack_name(BUILDPACK_NAME);
+        let warn_later = WarnGuard::new(stdout());
+        let env = Env::from_current();
+        let app_dir = &context.app_dir;
+        let package_json = PackageJson::read(app_dir.join("package.json"))
+            .map_err(NpmInstallBuildpackError::PackageJson)?;
+
+        run_application_checks(app_dir, &warn_later)?;
+
+        let section = logger.section("Installing node modules");
+        log_npm_version(&env, section.as_ref())?;
+        configure_npm_cache_layer(&context, &env, section.as_ref())?;
+        run_npm_install(&env, section.as_ref())?;
+        let logger = section.end_section();
+
+        let section = logger.section("Running scripts");
+        run_build_scripts(&package_json, &env, section.as_ref())?;
+        let logger = section.end_section();
+
+        let section = logger.section("Configuring default processes");
+        let build_result = configure_default_processes(&package_json, section.as_ref());
+        let logger = section.end_section();
+
+        logger.finish_logging();
+        warn_later.warn_now();
+        build_result
+    }
+
+    fn on_error(&self, error: libcnb::Error<Self::Error>) {
+        errors::on_error(error)
+    }
+}
+
+fn run_application_checks(
+    app_dir: &Path,
+    warn_later: &WarnGuard<Stdout>,
+) -> Result<(), NpmInstallBuildpackError> {
+    application::warn_prebuilt_modules(app_dir, warn_later);
+    application::check_for_multiple_lockfiles(app_dir)
+        .map_err(NpmInstallBuildpackError::Application)
+}
+
+fn log_npm_version(
+    env: &Env,
+    _section_logger: &dyn SectionLogger,
+) -> Result<(), NpmInstallBuildpackError> {
+    Command::from(npm::Version { env })
+        .named_output()
+        .and_then(|output| output.nonzero_captured())
+        .map_err(npm::VersionError::Command)
+        .and_then(|output| {
+            let stdout = output.stdout_lossy();
+            stdout
+                .parse::<Version>()
+                .map_err(|e| npm::VersionError::Parse(stdout, e))
+        })
+        .map_err(NpmInstallBuildpackError::NpmVersion)
+        .map(|version| {
+            log_step(format!(
+                "Using npm version {}",
+                fmt::value(version.to_string())
+            ));
+        })
+}
+
+fn configure_npm_cache_layer(
+    context: &BuildContext<NpmInstallBuildpack>,
+    env: &Env,
+    _section_logger: &dyn SectionLogger,
+) -> Result<(), libcnb::Error<NpmInstallBuildpackError>> {
+    let npm_cache_layer =
+        context.handle_layer(layer_name!("npm_cache"), NpmCacheLayer { _section_logger })?;
+    log_step("Configuring npm cache directory");
+    Command::from(npm::SetCacheConfig {
+        env,
+        cache_dir: npm_cache_layer.path,
+    })
+    .named_output()
+    .and_then(|output| output.nonzero_captured())
+    .map_err(NpmInstallBuildpackError::NpmSetCacheDir)?;
+    Ok(())
+}
+
+fn run_npm_install(
+    env: &Env,
+    _section_logger: &dyn SectionLogger,
+) -> Result<(), NpmInstallBuildpackError> {
+    let mut npm_install = Command::from(npm::Install { env });
+    log_step_stream(
+        format!("Running {}", fmt::command(npm_install.name())),
+        |stream| {
+            npm_install
+                .stream_output(stream.io(), stream.io())
+                .and_then(|cmd| cmd.nonzero_captured())
+                .map_err(NpmInstallBuildpackError::NpmInstall)
+        },
+    )?;
+    Ok(())
+}
+
+fn run_build_scripts(
+    package_json: &PackageJson,
+    env: &Env,
+    _section_logger: &dyn SectionLogger,
+) -> Result<(), NpmInstallBuildpackError> {
+    let build_scripts = package_json.build_scripts();
+    if build_scripts.is_empty() {
+        log_step("No build scripts found");
+    } else {
+        for script in build_scripts {
+            let mut npm_run = Command::from(npm::RunScript { env, script });
+            log_step_stream(
+                &format!("Running {}", fmt::command(npm_run.name())),
+                |stream| {
+                    npm_run
+                        .stream_output(stream.io(), stream.io())
+                        .and_then(|cmd| cmd.nonzero_captured())
+                        .map_err(NpmInstallBuildpackError::BuildScript)
+                },
+            )?;
+        }
+    };
+    Ok(())
+}
+
+fn configure_default_processes(
+    package_json: &PackageJson,
+    _section_logger: &dyn SectionLogger,
+) -> Result<BuildResult, libcnb::Error<NpmInstallBuildpackError>> {
+    if package_json.has_start_script() {
+        log_step(format!(
+            "Adding default web process for {}",
+            fmt::value("npm start")
+        ));
+        BuildResultBuilder::new()
+            .launch(
+                LaunchBuilder::new()
+                    .process(
+                        ProcessBuilder::new(process_type!("web"), ["npm", "start"])
+                            .default(true)
+                            .build(),
+                    )
+                    .build(),
+            )
+            .build()
+    } else {
+        log_step("Skipping default web process (no start script defined)");
+        BuildResultBuilder::new().build()
+    }
+}
+
+impl From<NpmInstallBuildpackError> for libcnb::Error<NpmInstallBuildpackError> {
+    fn from(value: NpmInstallBuildpackError) -> Self {
+        libcnb::Error::BuildpackError(value)
+    }
+}
+
+buildpack_main!(NpmInstallBuildpack);
diff --git a/buildpacks/nodejs-npm-install/src/npm.rs b/buildpacks/nodejs-npm-install/src/npm.rs
new file mode 100644
index 00000000..a6b24589
--- /dev/null
+++ b/buildpacks/nodejs-npm-install/src/npm.rs
@@ -0,0 +1,70 @@
+use commons::fun_run::CmdError;
+use libcnb::Env;
+use std::path::PathBuf;
+use std::process::Command;
+
+pub(crate) struct SetCacheConfig<'a> {
+    pub(crate) env: &'a Env,
+    pub(crate) cache_dir: PathBuf,
+}
+
+impl<'a> From<SetCacheConfig<'a>> for Command {
+    fn from(value: SetCacheConfig<'a>) -> Self {
+        let mut cmd = Command::new("npm");
+        cmd.args([
+            "config",
+            "set",
+            "cache",
+            &value.cache_dir.to_string_lossy(),
+            "--global",
+        ]);
+        cmd.envs(value.env);
+        cmd
+    }
+}
+
+#[derive(Debug)]
+pub(crate) enum VersionError {
+    Command(CmdError),
+    Parse(String, heroku_nodejs_utils::vrs::VersionError),
+}
+pub(crate) struct Version<'a> {
+    pub(crate) env: &'a Env,
+}
+
+impl<'a> From<Version<'a>> for Command {
+    fn from(value: Version<'a>) -> Self {
+        let mut cmd = Command::new("npm");
+        cmd.arg("--version");
+        cmd.envs(value.env);
+        cmd
+    }
+}
+
+pub(crate) struct Install<'a> {
+    pub(crate) env: &'a Env,
+}
+
+impl<'a> From<Install<'a>> for Command {
+    fn from(value: Install<'a>) -> Self {
+        let mut cmd = Command::new("npm");
+        cmd.arg("ci");
+        cmd.arg("--production=false");
+        cmd.envs(value.env);
+        cmd
+    }
+}
+
+pub(crate) struct RunScript<'a> {
+    pub(crate) env: &'a Env,
+    pub(crate) script: String,
+}
+
+impl<'a> From<RunScript<'a>> for Command {
+    fn from(value: RunScript<'a>) -> Self {
+        let mut cmd = Command::new("npm");
+        cmd.args(["run", &value.script]);
+        cmd.envs(value.env);
+        cmd
+    }
+}
diff --git a/buildpacks/nodejs-npm-install/tests/fixtures/npm-project/package-lock.json b/buildpacks/nodejs-npm-install/tests/fixtures/npm-project/package-lock.json
new file mode 100644
index 00000000..a08021a6
--- /dev/null
+++ b/buildpacks/nodejs-npm-install/tests/fixtures/npm-project/package-lock.json
@@ -0,0 +1,35 @@
+{
+  "name": "npm-project",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "node-fetch": {
+      "version": "2.6.12",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.12.tgz",
+      "integrity": "sha512-C/fGU2E8ToujUivIO0H+tpQ6HWo4eEmchoPIoXtxCrVghxdKq+QOHqEZW7tuP3KlV3bC8FRMO5nMCC7Zm1VP6g==",
+      "requires": {
+        "whatwg-url": "^5.0.0"
+      }
+    },
+    "tr46": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
+      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw=="
+    },
+    "webidl-conversions": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ=="
+    },
+    "whatwg-url": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+      "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
+      "requires": {
+        "tr46": "~0.0.3",
+        "webidl-conversions": "^3.0.0"
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/buildpacks/nodejs-npm-install/tests/fixtures/npm-project/package.json b/buildpacks/nodejs-npm-install/tests/fixtures/npm-project/package.json
new file mode 100644
index 00000000..880e76f9
--- /dev/null
+++ b/buildpacks/nodejs-npm-install/tests/fixtures/npm-project/package.json
@@ -0,0 +1,12 @@
+{
+  "name": "npm-project",
+  "version": "1.0.0",
+  "license": "MIT",
+  "engines": {
+    "node": "^14.0"
+  },
+  "dependencies": {
+    "node-fetch": "^2.6.1"
+  },
+  "scripts": {}
+}
\ No newline at end of file
diff --git a/buildpacks/nodejs-npm-install/tests/integration_test.rs b/buildpacks/nodejs-npm-install/tests/integration_test.rs
new file mode 100644
index 00000000..046d358c
--- /dev/null
+++ b/buildpacks/nodejs-npm-install/tests/integration_test.rs
@@ -0,0 +1,142 @@
+use libcnb_test::{assert_contains, assert_not_contains};
+use serde_json::json;
+use std::path::Path;
+use test_support::{
+    add_build_script, add_package_json_dependency, nodejs_integration_test,
+    nodejs_integration_test_with_config, update_json_file,
+};
+
+#[test]
+#[ignore = "integration test"]
+fn test_npm_install_with_lockfile() {
+    nodejs_integration_test("./fixtures/npm-project", |ctx| {
+        assert_contains!(ctx.pack_stdout, "# Heroku Node.js npm Install Buildpack");
+        assert_contains!(ctx.pack_stdout, "- Installing node modules");
+        assert_contains!(ctx.pack_stdout, "- Using npm version `6.14.18`");
+        assert_contains!(ctx.pack_stdout, "- Creating npm cache");
+        assert_contains!(ctx.pack_stdout, "- Configuring npm cache directory");
+        assert_contains!(ctx.pack_stdout, "- Running `npm ci \"--production=false\"`");
+        assert_contains!(ctx.pack_stdout, "added 4 packages");
+        assert_contains!(ctx.pack_stdout, "- Running scripts");
+        assert_contains!(ctx.pack_stdout, "- No build scripts found");
+        assert_contains!(ctx.pack_stdout, "- Configuring default processes");
+        assert_contains!(
+            ctx.pack_stdout,
+            "- Skipping default web process (no start script defined)"
+        );
+    });
+}
+
+#[test]
+#[ignore = "integration test"]
+fn test_npm_install_caching() {
+    nodejs_integration_test("./fixtures/npm-project", |ctx| {
+        assert_contains!(ctx.pack_stdout, "- Creating npm cache");
+        assert_contains!(ctx.pack_stdout, "added 4 packages");
+        let config = ctx.config.clone();
+        ctx.rebuild(config, |ctx| {
+            assert_contains!(ctx.pack_stdout, "- Restoring npm cache");
+            assert_contains!(ctx.pack_stdout, "added 4 packages");
+        })
+    });
+}
+
+#[test]
+#[ignore = "integration test"]
+fn test_npm_install_new_package() {
+    nodejs_integration_test("./fixtures/npm-project", |ctx| {
+        assert_contains!(ctx.pack_stdout, "- Creating npm cache");
+        assert_contains!(ctx.pack_stdout, "added 4 packages");
+
+        let mut config = ctx.config.clone();
+        config.app_dir_preprocessor(|app_dir| {
+            add_package_json_dependency(&app_dir, "dotenv", "16.3.1");
+            add_lockfile_entry(
+                &app_dir,
+                "dotenv",
+                json!({
+                    "version": "16.3.1",
+                    "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.3.1.tgz",
+                    "integrity": "sha512-IPzF4w4/Rd94bA9imS68tZBaYyBWSCE47V1RGuMrB94iyTOIEwRmVL2x/4An+6mETpLrKJ5hQkB8W4kFAadeIQ=="
+                })
+            );
+        });
+
+        ctx.rebuild(config, |ctx| {
+            assert_contains!(ctx.pack_stdout, "- Restoring npm cache");
+            assert_contains!(ctx.pack_stdout, "added 5 packages");
+        });
+    });
+}
+
+#[test]
+#[ignore = "integration test"]
+fn test_npm_build_scripts() {
+    nodejs_integration_test_with_config(
+        "./fixtures/npm-project",
+        |config| {
+            config.app_dir_preprocessor(|app_dir| {
+                add_build_script(&app_dir, "heroku-prebuild");
+                add_build_script(&app_dir, "build");
+                add_build_script(&app_dir, "heroku-postbuild");
+            });
+        },
+        |ctx| {
+            assert_contains!(ctx.pack_stdout, "- Running `npm run heroku-prebuild`");
+            assert_contains!(ctx.pack_stdout, "executed heroku-prebuild");
+
+            assert_contains!(ctx.pack_stdout, "- Running `npm run build`");
+            assert_contains!(ctx.pack_stdout, "executed build");
+
+            assert_contains!(ctx.pack_stdout, "- Running `npm run heroku-postbuild`");
+            assert_contains!(ctx.pack_stdout, "executed heroku-postbuild");
+        },
+    );
+}
+
+#[test]
+#[ignore = "integration test"]
+fn test_npm_build_scripts_prefers_heroku_build_over_build() {
+    nodejs_integration_test_with_config(
+        "./fixtures/npm-project",
+        |config| {
+            config.app_dir_preprocessor(|app_dir| {
+                add_build_script(&app_dir, "heroku-build");
+                add_build_script(&app_dir, "build");
+            });
+        },
+        |ctx| {
+            assert_contains!(ctx.pack_stdout, "- Running `npm run heroku-build`");
+            assert_contains!(ctx.pack_stdout, "executed heroku-build");
+
+            assert_not_contains!(ctx.pack_stdout, "- Running `npm run build`");
+            assert_not_contains!(ctx.pack_stdout, "executed build");
+        },
+    );
+}
+
+#[test]
+#[ignore = "integration test"]
+fn test_npm_start_script_creates_a_web_process_launcher() {
+    nodejs_integration_test_with_config(
+        "./fixtures/npm-project",
+        |config| {
+            config.app_dir_preprocessor(|app_dir| {
+                add_build_script(&app_dir, "start");
+            });
+        },
+        |ctx| {
+            assert_contains!(
+                ctx.pack_stdout,
+                "- Adding default web process for `npm start`"
+            );
+        },
+    );
+}
+
+fn add_lockfile_entry(app_dir: &Path, package_name: &str, lockfile_entry: serde_json::Value) {
+    update_json_file(&app_dir.join("package-lock.json"), |json| {
+        let dependencies = json["dependencies"].as_object_mut().unwrap();
+        dependencies.insert(package_name.to_string(), lockfile_entry);
+    });
+}
diff --git a/common/nodejs-utils/Cargo.toml b/common/nodejs-utils/Cargo.toml
index 1d959c12..d9f5370d 100644
--- a/common/nodejs-utils/Cargo.toml
+++ b/common/nodejs-utils/Cargo.toml
@@ -9,6 +9,8 @@ publish.workspace = true
 [dependencies]
 anyhow = "1"
 chrono = { version = "0.4", features = ["serde"] }
+commons.workspace = true
+indoc.workspace = true
 node-semver = "2"
 regex = "1"
 serde = { workspace = true, features = ['derive'] }
diff --git a/common/nodejs-utils/src/application.rs b/common/nodejs-utils/src/application.rs
new file mode 100644
index 00000000..0cb0a7d2
--- /dev/null
+++ b/common/nodejs-utils/src/application.rs
@@ -0,0 +1,141 @@
+use crate::package_manager::PackageManager;
+use commons::output::fmt;
+use commons::output::section_log::log_warning_later;
+use commons::output::warn_later::WarnGuard;
+use indoc::{formatdoc, writedoc};
+use std::fmt::{Display, Formatter};
+use std::io::Stdout;
+use std::path::Path;
+
+pub type Result<T> = std::result::Result<T, Error>;
+
+/// Checks for npm, Yarn, pnpm, and shrink-wrap lockfiles and raises an error if multiple are detected.
+///
+/// # Errors
+///
+/// Will return `Err` if more than one lockfile is present in the given directory.
+pub fn check_for_multiple_lockfiles(app_dir: &Path) -> Result<()> {
+    let detected_lockfiles = [
+        PackageManager::Npm,
+        PackageManager::Pnpm,
+        PackageManager::Yarn,
+    ]
+    .into_iter()
+    .filter(|package_manager| app_dir.join(package_manager.lockfile()).exists())
+    .collect::<Vec<_>>();
+
+    match detected_lockfiles.len() {
+        0 | 1 => Ok(()),
+        _ => Err(Error::MultipleLockfiles(detected_lockfiles)),
+    }
+}
+
+/// Checks if the `node_modules` folder is present in the given directory which indicates that
+/// the application contains files that it shouldn't in its git repository. If this is the case,
+/// a delayed warning will be published to the logger. To ensure the delayed warning is properly
+/// displayed it should be used in conjunction with a [`WarnGuard`].
+pub fn warn_prebuilt_modules(app_dir: &Path, _warn_later: &WarnGuard<Stdout>) {
+    if app_dir.join("node_modules").exists() {
+        log_warning_later(formatdoc! {"
+            Warning: {node_modules} checked into source control
+
+            Add these files and directories to {gitignore}. See the Dev Center for more info: 
+            https://devcenter.heroku.com/articles/node-best-practices#only-git-the-important-bits
+        ", node_modules = fmt::value("node_modules"), gitignore = fmt::value(".gitignore") });
+    }
+}
+
+#[derive(Debug)]
+pub enum Error {
+    MultipleLockfiles(Vec<PackageManager>),
+}
+
+impl Display for Error {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Error::MultipleLockfiles(package_managers) => {
+                let lockfiles = package_managers
+                    .iter()
+                    .map(|f| f.lockfile().to_string_lossy().to_string())
+                    .collect::<Vec<_>>()
+                    .join(", ");
+
+                writedoc!(f, "
+                    Multiple lockfiles found: {lockfiles}
+    
+                    More than one package manager has created lockfiles for this application. Only one \
+                    can be used to install dependencies but the buildpack can't determine which when multiple \
+                    lockfiles are present. 
+
+                ")?;
+
+                for package_manager in PackageManager::iterator() {
+                    writedoc!(f, "- To use {} to install your application's dependencies please delete the following lockfiles:\n\n", fmt::value(package_manager.to_string()))?;
+                    for other_package_manager in PackageManager::iterator() {
+                        if package_manager != other_package_manager {
+                            let other_lockfile = other_package_manager
+                                .lockfile()
+                                .to_string_lossy()
+                                .to_string();
+                            writedoc!(f, "    $ git rm {other_lockfile}\n")?;
+                        }
+                    }
+                    writedoc!(f, "\n")?;
+                }
+                writedoc!(
+                    f, "
+                        See the Knowledge Base for more info: https://help.heroku.com/0KU2EM53
+                        
+                        Once your application has only one lockfile, commit the results to git and retry your build.
+                    "
+                )?;
+
+                Ok(())
+            }
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::application::Error;
+    use crate::package_manager::PackageManager;
+    use commons::output::fmt;
+    use indoc::formatdoc;
+
+    #[test]
+    fn test_error_output_for_multiple_lockfiles() {
+        let error = Error::MultipleLockfiles(vec![
+            PackageManager::Npm,
+            PackageManager::Pnpm,
+            PackageManager::Yarn,
+        ]);
+        assert_eq!(
+            error.to_string(),
+            formatdoc! {"
+                Multiple lockfiles found: package-lock.json, pnpm-lock.yaml, yarn.lock
+
+                More than one package manager has created lockfiles for this application. Only one can be used to install dependencies but the buildpack can't determine which when multiple lockfiles are present. 
+
+                - To use {npm} to install your application's dependencies please delete the following lockfiles:
+
+                    $ git rm pnpm-lock.yaml
+                    $ git rm yarn.lock
+
+                - To use {pnpm} to install your application's dependencies please delete the following lockfiles:
+
+                    $ git rm package-lock.json
+                    $ git rm yarn.lock
+                
+                - To use {yarn} to install your application's dependencies please delete the following lockfiles:
+                
+                    $ git rm package-lock.json
+                    $ git rm pnpm-lock.yaml
+
+                See the Knowledge Base for more info: https://help.heroku.com/0KU2EM53
+
+                Once your application has only one lockfile, commit the results to git and retry your build.
+            ", npm = fmt::value("npm"), pnpm = fmt::value("pnpm"), yarn = fmt::value("Yarn") }
+        );
+    }
+}
diff --git a/common/nodejs-utils/src/lib.rs b/common/nodejs-utils/src/lib.rs
index 73f1b0fb..81db5482 100644
--- a/common/nodejs-utils/src/lib.rs
+++ b/common/nodejs-utils/src/lib.rs
@@ -3,11 +3,13 @@
 #![warn(clippy::cargo)]
 #![allow(clippy::module_name_repetitions)]
 
+pub mod application;
 pub mod distribution;
 pub mod inv;
 mod nodejs_org;
 mod npmjs_org;
 pub mod package_json;
+pub mod package_manager;
 mod s3;
 pub mod telemetry;
 pub mod vrs;
diff --git a/common/nodejs-utils/src/package_manager.rs b/common/nodejs-utils/src/package_manager.rs
new file mode 100644
index 00000000..6f4d14ef
--- /dev/null
+++ b/common/nodejs-utils/src/package_manager.rs
@@ -0,0 +1,36 @@
+use std::fmt::{Display, Formatter};
+use std::path::PathBuf;
+
+#[derive(Debug, PartialEq, Copy, Clone)]
+pub enum PackageManager {
+    Npm,
+    Pnpm,
+    Yarn,
+}
+
+impl PackageManager {
+    const VALUES: [Self; 3] = [Self::Npm, Self::Pnpm, Self::Yarn];
+
+    #[must_use]
+    pub fn lockfile(&self) -> PathBuf {
+        match self {
+            PackageManager::Npm => PathBuf::from("package-lock.json"),
+            PackageManager::Pnpm => PathBuf::from("pnpm-lock.yaml"),
+            PackageManager::Yarn => PathBuf::from("yarn.lock"),
+        }
+    }
+
+    pub fn iterator() -> impl Iterator<Item = PackageManager> {
+        Self::VALUES.iter().copied()
+    }
+}
+
+impl Display for PackageManager {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        match self {
+            PackageManager::Npm => write!(f, "npm"),
+            PackageManager::Pnpm => write!(f, "pnpm"),
+            PackageManager::Yarn => write!(f, "Yarn"),
+        }
+    }
+}
diff --git a/meta-buildpacks/nodejs/buildpack.toml b/meta-buildpacks/nodejs/buildpack.toml
index b0c303aa..7334bcbd 100644
--- a/meta-buildpacks/nodejs/buildpack.toml
+++ b/meta-buildpacks/nodejs/buildpack.toml
@@ -60,7 +60,7 @@ version = "1.1.7"
 optional = true
 
 [[order.group]]
-id = "heroku/nodejs-npm"
+id = "heroku/nodejs-npm-install"
 version = "1.1.7"
 
 [[order.group]]
diff --git a/meta-buildpacks/nodejs/package.toml b/meta-buildpacks/nodejs/package.toml
index bf85c14d..30a7f15e 100644
--- a/meta-buildpacks/nodejs/package.toml
+++ b/meta-buildpacks/nodejs/package.toml
@@ -8,7 +8,7 @@ uri = "libcnb:heroku/nodejs-engine"
 uri = "libcnb:heroku/nodejs-npm-engine"
 
 [[dependencies]]
-uri = "../../buildpacks/npm"
+uri = "libcnb:heroku/nodejs-npm-install"
 
 [[dependencies]]
 uri = "libcnb:heroku/nodejs-pnpm-install"
diff --git a/test/fixtures/node-with-indexjs/package-lock.json b/test/fixtures/node-with-indexjs/package-lock.json
new file mode 100644
index 00000000..10e643a7
--- /dev/null
+++ b/test/fixtures/node-with-indexjs/package-lock.json
@@ -0,0 +1,10 @@
+{
+  "name": "node-with-indexjs",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "node-with-indexjs"
+    }
+  }
+}
diff --git a/test/fixtures/node-with-serverjs/package-lock.json b/test/fixtures/node-with-serverjs/package-lock.json
new file mode 100644
index 00000000..b55d6001
--- /dev/null
+++ b/test/fixtures/node-with-serverjs/package-lock.json
@@ -0,0 +1,13 @@
+{
+  "name": "node-with-indexjs",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "node-with-indexjs",
+      "engines": {
+        "node": "16.0.0"
+      }
+    }
+  }
+}
diff --git a/test_support/src/lib.rs b/test_support/src/lib.rs
index 555c1e91..1cfc3a5b 100644
--- a/test_support/src/lib.rs
+++ b/test_support/src/lib.rs
@@ -138,6 +138,26 @@ pub fn set_package_manager(app_dir: &Path, package_manager: &str) {
     });
 }
 
+pub fn add_package_json_dependency(app_dir: &Path, package_name: &str, package_version: &str) {
+    update_package_json(app_dir, |json| {
+        let dependencies = json["dependencies"].as_object_mut().unwrap();
+        dependencies.insert(
+            package_name.to_string(),
+            serde_json::Value::String(package_version.to_string()),
+        );
+    });
+}
+
+pub fn add_build_script(app_dir: &Path, script: &str) {
+    update_package_json(app_dir, |json| {
+        let scripts = json["scripts"].as_object_mut().unwrap();
+        scripts.insert(
+            script.to_string(),
+            serde_json::Value::String(format!("echo 'executed {script}'")),
+        );
+    });
+}
+
 pub fn update_package_json(
     app_dir: &Path,
     update: impl FnOnce(&mut serde_json::Map<String, serde_json::Value>),