diff --git a/.github/readme/partials/documentation/setup/docker.md b/.github/readme/partials/documentation/setup/docker.md
index 3260e0adb9e..f38e3260536 100644
--- a/.github/readme/partials/documentation/setup/docker.md
+++ b/.github/readme/partials/documentation/setup/docker.md
@@ -2,7 +2,7 @@
 
 ## 0️ Prepare your machine
 
-A server with a recent version of [docker](https://www.docker.com/) is required.
+A machine with a recent version of [docker](https://www.docker.com/) is required.
 
 ## 1️ Run docker image
 
@@ -12,3 +12,7 @@ docker run --env INPUT_TOKEN=**** --env INPUT_USER=user --volume=/tmp:/renders g
 ```
 
 To pass parameters, pass environment variable with the same name as the corresponding action option but in uppercase and prefixed with `INPUT_`.
+
+Generated files will be created in the mounted `/renders` directory.
+
+> 💡 When running *metrics* with docker, [`output_action`](/source/plugins/core/README.md#-configuring-output-action) will automatically default to `none` instead. To use a different output action, both `GITHUB_REPOSITORY` (notice the absence of `INPUT_` prefix) and `INPUT_COMMITTER_TOKEN` (with sufficient permissions) environment variables must be set.
diff --git a/source/app/action/index.mjs b/source/app/action/index.mjs
index c639b1d5102..f271f40dc2a 100644
--- a/source/app/action/index.mjs
+++ b/source/app/action/index.mjs
@@ -94,6 +94,14 @@ async function retry(func, {retries = 1, delay = 0} = {}) {
     info("Setup", "complete")
     info("Version", conf.package.version)
 
+    //Docker run environment default values
+    if (!metadata.env.ghactions) {
+      info("Docker environment", "(enabled)")
+      process.env.INPUT_OUTPUT_ACTION = process.env.INPUT_OUTPUT_ACTION ?? "none"
+      process.env.INPUT_COMMITTER_TOKEN = process.env.INPUT_COMMITTER_TOKEN ?? process.env.INPUT_TOKEN
+      process.env.GITHUB_REPOSITORY = process.env.GITHUB_REPOSITORY ?? "octocat/hello-world"
+    }
+
     //Core inputs
     Object.assign(preset, await presets(core.getInput("config_presets"), {log:false, core}))
     const {
@@ -150,7 +158,7 @@ async function retry(func, {retries = 1, delay = 0} = {}) {
     //See https://github.blog/2021-04-05-behind-githubs-new-authentication-token-formats
     info("GitHub token format", /^gh[pousr]_/.test(token) ? "correct" : "(old or invalid)")
     if (!token)
-      throw new Error("You must provide a valid GitHub personal token to gather your metrics (see https://github.com/lowlighter/metrics/blob/master/.github/readme/partials/setup/action/setup.md for more informations)")
+      throw new Error("You must provide a valid GitHub personal token to gather your metrics (see https://github.com/lowlighter/metrics/blob/master/.github/readme/partials/documentation/setup/action.md for more informations)")
     conf.settings.token = token
     const api = {}
     api.graphql = octokit.graphql.defaults({headers:{authorization:`token ${token}`}})
@@ -167,7 +175,7 @@ async function retry(func, {retries = 1, delay = 0} = {}) {
       const {headers} = await api.rest.request("HEAD /")
       if (!("x-oauth-scopes" in headers)) {
         throw new Error(
-          'GitHub API did not send any "x-oauth-scopes" header back from provided "token". It means that your token may not be valid or you\'re using GITHUB_TOKEN which cannot be used since metrics will fetch data outside of this repository scope. Use a personal access token instead (see https://github.com/lowlighter/metrics/blob/master/.github/readme/partials/setup/action/setup.md for more informations).',
+          'GitHub API did not send any "x-oauth-scopes" header back from provided "token". It means that your token may not be valid or you\'re using GITHUB_TOKEN which cannot be used since metrics will fetch data outside of this repository scope. Use a personal access token instead (see https://github.com/lowlighter/metrics/blob/master/.github/readme/partials/documentation/setup/action.md for more informations).',
         )
       }
       info("Token validity", "seems ok")
@@ -190,11 +198,12 @@ async function retry(func, {retries = 1, delay = 0} = {}) {
       info("GitHub repository", `${user}/${q.repo}`)
 
     //Current repository
-    info("Current repository", `${github.context.repo.owner}/${github.context.repo.repo}`)
+    if (metadata.env.ghactions)
+      info("Current repository", `${github.context.repo.owner}/${github.context.repo.repo}`)
 
     //Committer
     const committer = {}
-    if (!dryrun) {
+    if ((!dryrun)&&(_action !== "none")) {
       //Compute committer informations
       committer.token = _token || token
       committer.gist = _action === "gist" ? _gist : null
@@ -236,7 +245,6 @@ async function retry(func, {retries = 1, delay = 0} = {}) {
         }
         else
           throw error
-
       }
       //Retrieve previous render SHA to be able to update file content through API
       committer.sha = null
@@ -258,7 +266,7 @@ async function retry(func, {retries = 1, delay = 0} = {}) {
       }
       info("Previous render sha", committer.sha ?? "(none)")
     }
-    else
+    else if (dryrun)
       info("Dry-run", true)
 
 
diff --git a/source/app/metrics/metadata.mjs b/source/app/metrics/metadata.mjs
index 5a4b429a273..007590cf834 100644
--- a/source/app/metrics/metadata.mjs
+++ b/source/app/metrics/metadata.mjs
@@ -12,6 +12,9 @@ const categories = ["core", "github", "social", "community"]
 //Previous descriptors
 let previous = null
 
+//Environment
+const env = {ghactions:`${process.env.GITHUB_ACTIONS}` === "true"}
+
 /**Metadata descriptor parser */
 export default async function metadata({log = true, diff = false} = {}) {
   //Paths
@@ -81,7 +84,7 @@ export default async function metadata({log = true, diff = false} = {}) {
   const descriptor = yaml.load(`${await fs.promises.readFile(__descriptor, "utf-8")}`)
 
   //Metadata
-  return {plugins:Plugins, templates:Templates, packaged, descriptor}
+  return {plugins:Plugins, templates:Templates, packaged, descriptor, env}
 }
 
 /**Metadata extractor for inputs */
@@ -244,14 +247,19 @@ metadata.plugin = async function({__plugins, __templates, name, logger}) {
         const q = {}
         for (const key of Object.keys(inputs)) {
           //Parse input
-          let value = `${core.getInput(key)}`.trim()
-          try {
-            value = decodeURIComponent(value)
-          }
-          catch {
-            logger(`metrics/inputs > failed to decode uri for ${key}: ${value}`)
-            value = "<default-value>"
+          let value
+          if (env.ghactions) {
+            value = `${core.getInput(key)}`.trim()
+            try {
+              value = decodeURIComponent(value)
+            }
+            catch {
+              logger(`metrics/inputs > failed to decode uri for ${key}: ${value}`)
+              value = "<default-value>"
+            }
           }
+          else
+            value = process.env[`INPUT_${key.toUpperCase()}`]?.trim() ?? "<default-value>"
           const unspecified = value === "<default-value>"
           //From presets
           if ((key in preset) && (unspecified)) {