CI: also test image

Author: f3l1x

.github/workflows/docker.yml

@@ -13,63 +13,104 @@ jobs:
   docker:
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         include:
           - dockerfile: ./adminer-dg/Dockerfile
+            context: ./adminer-dg
             tag: dg
             platforms: linux/amd64,linux/arm64
 
           - dockerfile: ./adminer-editor/Dockerfile
+            context: ./adminer-editor
             tag: editor
             platforms: linux/amd64,linux/arm64
 
           - dockerfile: ./adminer-full/Dockerfile
+            context: ./adminer-full
             tag: full
             platforms: linux/amd64,linux/arm64
 
           - dockerfile: ./adminer-mongo/Dockerfile
+            context: ./adminer-mongo
             tag: mongo
             platforms: linux/amd64,linux/arm64
 
           - dockerfile: ./adminer-mysql/Dockerfile
+            context: ./adminer-mysql
             tag: mysql
             platforms: linux/amd64,linux/arm64
 
           - dockerfile: ./adminer-oracle-11/Dockerfile
+            context: ./adminer-oracle-11
             tag: oracle-11
             platforms: linux/amd64
 
           - dockerfile: ./adminer-oracle-12/Dockerfile
+            context: ./adminer-oracle-12
             tag: oracle-12
             platforms: linux/amd64
 
           - dockerfile: ./adminer-postgres/Dockerfile
+            context: ./adminer-postgres
             tag: postgres
             platforms: linux/amd64,linux/arm64
 
           - dockerfile: ./adminer-full/Dockerfile
+            context: ./adminer-full
             tag: latest
             platforms: linux/amd64,linux/arm64
 
     name: Docker (dockette/adminer:${{ matrix.tag }})
 
     steps:
-      - name: Login to DockerHub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Checkout
+        uses: actions/checkout@v4
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
-      - name: Build and push
+      - name: Login to DockerHub
+        if: github.ref == 'refs/heads/master'
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build image for testing (linux/amd64)
+        uses: docker/build-push-action@v6
+        with:
+          context: ${{ matrix.context }}
+          file: ${{ matrix.dockerfile }}
+          push: false
+          tags: dockette/adminer:${{ matrix.tag }}-test
+          platforms: linux/amd64
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          load: true
+
+      - name: Test PHP version
+        run: |
+          docker run --rm dockette/adminer:${{ matrix.tag }}-test php --version
+
+      - name: Test HTTP server
+        run: |
+          CONTAINER_ID=$(docker run -d --rm -p 8080:80 dockette/adminer:${{ matrix.tag }}-test)
+          sleep 5
+          curl -f http://localhost:8080 | grep -i "adminer" || (docker logs $CONTAINER_ID && exit 1)
+          docker stop $CONTAINER_ID
+
+      - name: Build and push to registry
+        if: github.ref == 'refs/heads/master'
         uses: docker/build-push-action@v6
         with:
+          context: ${{ matrix.context }}
           file: ${{ matrix.dockerfile }}
           push: true
           tags: dockette/adminer:${{ matrix.tag }}
           platforms: ${{ matrix.platforms }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max