Run GitHub Actions in separate service without the volume

coenjacobs · Sep 8, 2024 · 22f6285 · 22f6285
1 parent 1c1d818
commit 22f6285
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diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -9,63 +9,24 @@ on:
       - master
 
 jobs:
-  install_dependencies:
-    runs-on: ubuntu-latest
-    name: Install dependencies
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install dependencies
-        run: docker compose run --rm builder composer install
-      - name: Cache installed dependencies
-        id: cache-composer-dependencies
-        uses: actions/cache/save@v4
-        with:
-          path: |
-            ./vendor/
-            ./composer.lock
-          key: ${{ runner.os }}-build-composer-dependencies-${{ github.sha }}
   linting:
-    needs: install_dependencies
     runs-on: ubuntu-latest
     name: Linting
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/cache/restore@v4
-        name: Restore cached dependencies
-        with:
-          path: |
-            ./vendor/
-            ./composer.lock
-          key: ${{ runner.os }}-build-composer-dependencies-${{ github.sha }}
       - name: Run linting
-        run: docker compose run --rm builder composer test:lint
+        run: docker compose run --rm actions-tester composer test:lint
   testing:
-    needs: install_dependencies
     runs-on: ubuntu-latest
     name: Testing
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/cache/restore@v4
-        name: Restore cached dependencies
-        with:
-          path: |
-            ./vendor/
-            ./composer.lock
-          key: ${{ runner.os }}-build-composer-dependencies-${{ github.sha }}
       - name: Run testing
-        run: docker compose run --rm builder composer test:phpunit
+        run: docker compose run --rm actions-tester composer test:phpunit
   analysis:
-    needs: install_dependencies
     runs-on: ubuntu-latest
     name: Analysis
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/cache/restore@v4
-        name: Restore cached dependencies
-        with:
-          path: |
-            ./vendor/
-            ./composer.lock
-          key: ${{ runner.os }}-build-composer-dependencies-${{ github.sha }}
       - name: Run analysis
-        run: docker compose run --rm builder composer test:phpstan
+        run: docker compose run --rm actions-tester composer test:phpstan
diff --git a/docker-compose.yml b/docker-compose.yml
@@ -8,3 +8,14 @@ services:
     volumes:
       - .:/mozart/
     command: /bin/sh -c "while sleep 1000; do :; done"
+  actions-tester:
+    # This service is technically the same as the builder service, only this one
+    # has no volume mounted to the working directory. This causes the files to
+    # be used (for example installed dependencies) that are created _inside_ the
+    # container to be used, rather than having to set them up in the working
+    # directory, during GitHub Actions for example.
+    build:
+      context: .
+      dockerfile: Dockerfile
+      target: builder
+    command: /bin/sh -c "while sleep 1000; do :; done"