Merge pull request 'Optimize image builds by caching intermediate layers' (#164) from fix-docker-build into main

Reviewed-on: #164

.github/workflows/build.yml

@@ -25,12 +25,31 @@ jobs:
           username: ${{ secrets.PRIVATE_REGISTRY_USERNAME }}
           password: ${{ secrets.PRIVATE_REGISTRY_TOKEN }}
 
+      - name: Build and push intermediate stages (deps)
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          target: deps
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ secrets.PRIVATE_REGISTRY_HOST }}/${{ env.GITHUB_REPOSITORY }}:deps
+          cache-from: type=registry,ref=${{ secrets.PRIVATE_REGISTRY_HOST }}/${{ env.GITHUB_REPOSITORY }}:deps
+          cache-to: type=inline
+
+      - name: Build and push intermediate stages (builder)
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          target: builder
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ secrets.PRIVATE_REGISTRY_HOST }}/${{ env.GITHUB_REPOSITORY }}:builder
+          cache-from: type=registry,ref=${{ secrets.PRIVATE_REGISTRY_HOST }}/${{ env.GITHUB_REPOSITORY }}:builder
+          cache-to: type=inline
+        
       - name: Build and push
         uses: docker/build-push-action@v6
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}
-          tags: |
+          tags: ${{ secrets.PRIVATE_REGISTRY_HOST }}/${{ env.GITHUB_REPOSITORY }}:latest
-            ${{ secrets.PRIVATE_REGISTRY_HOST }}/${{ env.GITHUB_REPOSITORY }}:latest
+          cache-from: type=registry,ref=${{ secrets.PRIVATE_REGISTRY_HOST }}/${{ env.GITHUB_REPOSITORY }}:latest
-          cache-from: type=registry,ref=user/app:latest
           cache-to: type=inline