From b4d91051ad9ff7322055c13f4f8d2e51b13a2ccf Mon Sep 17 00:00:00 2001
From: Mark Hobson <mark.hobson@activetravelengland.gov.uk>
Date: Fri, 15 Sep 2023 13:33:51 +0100
Subject: [PATCH] GH-1: Build Docker image

---
 .github/workflows/ci.yml |  5 +++++
 Dockerfile               | 11 +++++++++++
 README.md                | 22 ++++++++++++++++++++++
 pyproject.toml           |  3 ++-
 4 files changed, 40 insertions(+), 1 deletion(-)
 create mode 100644 Dockerfile

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fa5f4f75..106b3f32 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,3 +28,8 @@ jobs:
 
     - name: Run tests
       run: pytest
+
+    - name: Build image
+      uses: docker/build-push-action@v4
+      with:
+        tags: schemes
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 00000000..a6a5b89c
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,11 @@
+FROM python:3.10
+
+ENV PORT 5000
+
+WORKDIR /usr/src/app
+COPY schemes ./schemes
+COPY pyproject.toml .
+
+RUN pip install --no-cache-dir .
+
+CMD [ "sh", "-c", "gunicorn --bind 0.0.0.0:${PORT} 'schemes:create_app()'" ]
diff --git a/README.md b/README.md
index 67a245f7..5d2b2dee 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,28 @@
 
 1. Open http://127.0.0.1:5000
 
+## Running locally as a container
+
+1. Build the Docker image:
+
+   ```bash
+   docker build -t schemes .
+   ```
+   
+1. Run the Docker image:
+
+   ```bash
+   docker run --rm -it -p 5000:5000 schemes
+   ```
+   
+1. Open http://127.0.0.1:5000
+
+The server can also be run on a different port by specifying the `PORT` environment variable:
+
+```bash
+docker run --rm -it -e PORT=8000 -p 8000:8000 schemes
+```
+
 ## Running tests
 
 1. Install the dev dependencies:
diff --git a/pyproject.toml b/pyproject.toml
index eddf178c..6ff07e3c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,7 +2,8 @@
 name = "schemes"
 version = "1.0.0"
 dependencies = [
-    "flask"
+    "flask",
+    "gunicorn"
 ]
 
 [project.optional-dependencies]