Merge pull request #113 from devcontainers-extra/chore/prebuilt-devcontainer-image

chore: add prebuilt devcontainer image

Author: koralowiec

.devcontainer/devcontainer.json

@@ -1,28 +1,4 @@
 {
-  "image": "mcr.microsoft.com/devcontainers/python:3.11",
-  "customizations": {
-    "vscode": {
-      "extensions": [
-        "mads-hartmann.bash-ide-vscode",
-        "ms-python.python",
-        "ms-python.vscode-pylance",
-        "DavidAnson.vscode-markdownlint",
-        "nefrob.vscode-just-syntax",
-        "timonwong.shellcheck",
-        "ms-vscode-remote.remote-containers",
-        "github.vscode-github-actions"
-      ]
-    }
-  },
-  "features": {
-    "ghcr.io/devcontainers/features/node:1.6.1": {},
-    "ghcr.io/devcontainers/features/github-cli:1.0.13": {},
-    "ghcr.io/devcontainers/features/docker-in-docker:2.12.0": {},
-    "ghcr.io/lukewiwa/features/shellcheck:0.2.3": {},
-    "ghcr.io/guiyomh/features/just:0": {},
-    "ghcr.io/devcontainers-extra/features/pre-commit:2": {},
-    "ghcr.io/devcontainers-extra/features/tmux-homebrew:1": {},
-    "ghcr.io/devcontainers-extra/features/act:1": {}
-  },
+  "image": "ghcr.io/devcontainers-extra/features/prebuilt-devcontainer:latest",
   "postCreateCommand": "/bin/bash -ex ./.devcontainer/setup.sh > postCreateCommand.log"
 }

.github/.devcontainer/devcontainer.json

@@ -0,0 +1,27 @@
+{
+  "image": "mcr.microsoft.com/devcontainers/python:3.11",
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "mads-hartmann.bash-ide-vscode",
+        "ms-python.python",
+        "ms-python.vscode-pylance",
+        "DavidAnson.vscode-markdownlint",
+        "nefrob.vscode-just-syntax",
+        "timonwong.shellcheck",
+        "ms-vscode-remote.remote-containers",
+        "github.vscode-github-actions"
+      ]
+    }
+  },
+  "features": {
+    "ghcr.io/devcontainers/features/node:1.6.1": {},
+    "ghcr.io/devcontainers/features/github-cli:1.0.13": {},
+    "ghcr.io/devcontainers/features/docker-in-docker:2.12.0": {},
+    "ghcr.io/lukewiwa/features/shellcheck:0.2.3": {},
+    "ghcr.io/guiyomh/features/just:0": {},
+    "ghcr.io/devcontainers-extra/features/pre-commit:2": {},
+    "ghcr.io/devcontainers-extra/features/tmux-homebrew:1": {},
+    "ghcr.io/devcontainers-extra/features/act:1": {}
+  }
+}

.github/workflows/build-push-prebuilt-devcontainer.yaml

@@ -0,0 +1,31 @@
+name: Build and Push Prebuilt Devcontainer
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - '.github/.devcontainer/**'
+  workflow_dispatch: {}
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Prebuild dev container image
+        uses: devcontainers/[email protected]
+        with:
+          subFolder: .github/.devcontainer
+          imageName: ghcr.io/${{ github.repository }}/prebuilt-devcontainer
+          cacheFrom: ghcr.io/${{ github.repository }}/prebuilt-devcontainer
+          push: always