Build and test a Docker image - split jobs

.github/workflows/dockerimage.yml

@@ -1,4 +1,4 @@
-name: Check if a Docker image can be built
+name: Build and test a Docker image
 
 on:
   push:
@@ -10,18 +10,6 @@ jobs:
   docker_build:
     runs-on: ubuntu-latest
 
-    services:
-      mysql:
-        image: mysql:8.0.22
-        env:
-          MYSQL_ALLOW_EMPTY_PASSWORD: yes
-          MYSQL_DATABASE: index_digest
-          MYSQL_USER: test
-          MYSQL_PASSWORD: p4ss
-        ports:
-        - "53306:3306"
-        options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
-
     steps:
     - uses: actions/checkout@v1
 
@@ -36,15 +24,33 @@ jobs:
           --build-arg COMMIT_SHA=$(git rev-parse --short HEAD) \
           --tag ${{ github.repository }}
         docker images
-        docker inspect --format='{{json .Config.Labels}}' ${{ github.repository }} | jq
 
-        docker ps
+        echo "## Image labels:"
+        docker inspect --format='{{json .Config.Labels}}' ${{ github.repository }} | jq
 
     - name: Check the version
       run: |
         docker run ${{ github.repository }} --version
-
+
+  docker_test:
+    runs-on: ubuntu-latest
+    needs: docker_build
+
+    services:
+      mysql:
+        image: mysql:8.0.22
+        env:
+          MYSQL_ALLOW_EMPTY_PASSWORD: yes
+          MYSQL_DATABASE: index_digest
+          MYSQL_USER: test
+          MYSQL_PASSWORD: p4ss
+        ports:
+        - "53306:3306"
+        options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
+
+    steps:
     - name: Run the container and connect to the test database
       run: |
+        docker ps
         docker run --network=host ${{ github.repository }} mysql://test:[email protected]:53306/index_digest | tee /tmp/results
         grep "Jolly, good! No issues to report" /tmp/results