try out docker build cache

Author: transistive

.github/workflows/integration-test-cluster-neo4j-5.yml

@@ -16,6 +16,25 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+
+      # 2) enable BuildKit
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      # 3) build & cache the client image
+      - name: Build & cache client image
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          file: Dockerfile
+          load: true      # so the image is available locally
+          push: false
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          build-args: PHP_VERSION=${{ matrix.php }}
+          tags: integration-client:${{ matrix.php }}
+
+
       - name: Populate .env
         run: |
           echo "PHP_VERSION=${{ matrix.php }}" > .env
@@ -37,7 +56,7 @@ jobs:
 
       - name: Run integration tests
         run: |
-          docker compose up -d --build --remove-orphans --wait \
+          docker compose up -d --remove-orphans --wait --no-build \
             server1 \
             server2 \
             server3 \

docker-compose-neo4j-4.yml

@@ -28,6 +28,7 @@ networks:
 
 services:
   client:
+    image: "integration-client:${PHP_VERSION-8.1}"
     build:
       context: .
       dockerfile: Dockerfile

docker-compose.yml

@@ -22,6 +22,7 @@ x-definitions:
       - .env
   x-common-php:
     &common-php
+    image: "integration-client:${PHP_VERSION-8.1}"
     build:
       context: .
       dockerfile: Dockerfile