# Isolated builders ```yaml name: ci on: push: branches: - 'main' jobs: docker: runs-on: ubuntu-latest steps: - name: Checkout uses: actions/checkout@v2 - uses: docker/setup-buildx-action@v2 id: builder1 - uses: docker/setup-buildx-action@v2 id: builder2 - name: Builder 1 name run: echo ${{ steps.builder1.outputs.name }} - name: Builder 2 name run: echo ${{ steps.builder2.outputs.name }} - name: Build against builder1 uses: docker/build-push-action@v3 with: builder: ${{ steps.builder1.outputs.name }} context: . target: mytarget1 - name: Build against builder2 uses: docker/build-push-action@v3 with: builder: ${{ steps.builder2.outputs.name }} context: . target: mytarget2 ```