Optimize Docker Builds with Cache Management in GitHub Actions

1. build-push-action

   1 39 4,908 8.1 TypeScript

   GitHub Action to build and push Docker images with Buildx

   

   ## Local Cache This method leverages local storage for caching Docker layers. The downside is that old cache entries aren’t deleted automatically, so the cache size might increase over time. A temporary fix involves moving and cleaning the cache after each build. ```yaml //".github/workflows/build.yml" name: Docker Build on: push: jobs: docker: runs-on: ubuntu-latest steps: - name: Set up Docker Buildx uses: docker/setup-buildx-action@v3 // highlight-start - name: Cache Docker layers uses: actions/cache@v4 with: path: /tmp/.buildx-cache key: ${{ runner.os }}-buildx-${{ github.sha }} restore-keys: | ${{ runner.os }}-buildx- // highlight-end - name: Login to Docker Hub uses: docker/login-action@v3 with: username: ${{ vars.DOCKERHUB_USERNAME }} password: ${{ secrets.DOCKERHUB_TOKEN }} // highlight-start - name: Build and push uses: docker/build-push-action@v6 with: push: true tags: user/app:latest cache-from: type=local,src=/tmp/.buildx-cache cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max // highlight-end - # Temp fix # https://github.com/docker/build-push-action/issues/252 # https://github.com/moby/buildkit/issues/1896 name: Move cache run: | rm -rf /tmp/.buildx-cache mv /tmp/.buildx-cache-new /tmp/.buildx-cache

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3. buildkit

   2 64 9,342 9.7 Go

   concurrent, cache-efficient, and Dockerfile-agnostic builder toolkit

   

   ## Local Cache This method leverages local storage for caching Docker layers. The downside is that old cache entries aren’t deleted automatically, so the cache size might increase over time. A temporary fix involves moving and cleaning the cache after each build. ```yaml //".github/workflows/build.yml" name: Docker Build on: push: jobs: docker: runs-on: ubuntu-latest steps: - name: Set up Docker Buildx uses: docker/setup-buildx-action@v3 // highlight-start - name: Cache Docker layers uses: actions/cache@v4 with: path: /tmp/.buildx-cache key: ${{ runner.os }}-buildx-${{ github.sha }} restore-keys: | ${{ runner.os }}-buildx- // highlight-end - name: Login to Docker Hub uses: docker/login-action@v3 with: username: ${{ vars.DOCKERHUB_USERNAME }} password: ${{ secrets.DOCKERHUB_TOKEN }} // highlight-start - name: Build and push uses: docker/build-push-action@v6 with: push: true tags: user/app:latest cache-from: type=local,src=/tmp/.buildx-cache cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max // highlight-end - # Temp fix # https://github.com/docker/build-push-action/issues/252 # https://github.com/moby/buildkit/issues/1896 name: Move cache run: | rm -rf /tmp/.buildx-cache mv /tmp/.buildx-cache-new /tmp/.buildx-cache

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