split build/test jobs

Author: danschmidt5189

.github/workflows/build.yml

@@ -12,6 +12,8 @@ env:
 jobs:
   build:
     runs-on: ubuntu-latest
+    outputs:
+      imageid: ${{ steps.build.outputs.imageid }}
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -22,46 +24,60 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
-      - name: Set up Docker Compose
-        uses: docker/setup-compose-action@v1
-
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Produce image metadata
+      - name: Produce image tag 'sha-*-pre'
         id: meta
         uses: docker/metadata-action@v5
         with:
           images: ghcr.io/${{ github.repository }}
-          tags: |
-            type=sha
-            type=ref,event=branch
-            type=ref,event=tag
-            type=semver,pattern={{major}}
-            type=semver,pattern={{major}}.{{minor}}
-            type=semver,pattern={{version}}
-            type=raw,value=latest,enable={{is_default_branch}}
+          tags: type=sha,suffix=-pre
 
-      - name: Fetch the sha-based image tag
-        run: echo "$DOCKER_METADATA_OUTPUT_TAGS" | grep -m1 ':sha-' | xargs | sed 's/^/DOCKER_APP_IMAGE=/' >> $GITHUB_ENV
-
-      - name: Build the image
+      - name: Build and push the untested image
         id: build
         uses: docker/build-push-action@v6
         with:
-          push: false
+          push: true
           labels: ${{ steps.meta.outputs.labels }}
           tags: ${{ steps.meta.outputs.tags }}
           provenance: true
           cache-from: type=gha
           cache-to: type=gha
 
+  test:
+    runs-on: ubuntu-latest
+    needs:
+      - build
+    env:
+      DOCKER_APP_IMAGE: ${{ needs.build.outputs.imageid }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Compose
+        uses: docker/setup-compose-action@v1
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Run the tests
         run: bin/test
 
-      - name: Push images
-        run: docker push -a "$DOCKER_APP_IMAGE"
+            # type=ref,event=branch
+            # type=ref,event=tag
+            # type=semver,pattern={{major}}
+            # type=semver,pattern={{major}}.{{minor}}
+            # type=semver,pattern={{version}}
+            # type=raw,value=latest,enable={{is_default_branch}}