add debug target

.github/workflows/buiild.yml

@@ -1,61 +1,89 @@
-name:  Build and publish image to ghcr.io/epics-containers
+name: Build and publish image to ghcr.io/epics-containers
 
 on:
   push:
   pull_request:
 
 jobs:
-  build-and-push-image:
-    runs-on: ubuntu-latest
+  build:
+    # pull requests are a duplicate of a branch push if within the same repo.
+    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.repository
     permissions:
       contents: read
       packages: write
+    strategy:
+      fail-fast: false
+      matrix:
+        epics-target: [linux-x86_64] # , linux-aarch64]
+        include:
+          - os: ubuntu-latest # everyone is on ubuntu-latest
+          - epics-target: linux-x86_64
+            platform: linux/amd64
+
+          # # a temporary name until multi-arch is supported
+          # - epics-target: linux-aarch64
+          #     extension: -native-aarch64
+          #     platform: linux/arm64
+
+    runs-on: ${{ matrix.os }}
+    env:
+      TAG: ghcr.io/${{ github.repository_owner }}/${{ github.event.repository.name }}
     steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Determine container image tag to use
-        id: tag
-        run: |
-          # tag is branch name or tag if there is a tag
-          echo ::set-output name=image_tag::${GITHUB_REF##*/}
-          echo ::set-output name=do_push::true
-
-      - name: Cache Docker layers
-        uses: actions/cache@v3
-        with:
-          path: /tmp/.buildx-cache
-          key: ${{ runner.os }}-buildx-${{ github.sha }}
-          restore-keys: |
-            ${{ runner.os }}-buildx-
 
       - name: Log in to GitHub Docker Registry
         uses: docker/login-action@v3
         with:
-          registry: ghcr.io/epics-containers
+          registry: ghcr.io/${{ github.repository_owner }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
       - name: Set up Docker Buildx
-        id: buildx
         uses: docker/setup-buildx-action@v3
 
-      - name: Build developer image
-        uses: docker/build-push-action@v5
+      - name: Build image
+        uses: docker/build-push-action@v6
+        with:
+          platforms: ${{ matrix.platform }}
+          target: final
+          cache-from: type=gha,scope=${{ matrix.epics-target }}
+          cache-to: type=gha,mode=max,scope=${{ matrix.epics-target }}
+          tags: ci_test
+          load: true
+
+      - name: Test image
+        # Opportunity to run tests using docker run 'ci_test'
+        if: ${{ matrix.epics-target == 'linux-x86_64' }}
+        run: if [ -f tests/run-tests.sh ]; then tests/run-tests.sh ci_test; fi
+
+      - name: Push runtime image
+        if: ${{ github.event_name == 'push' && github.ref_type == 'tag' }}
+        uses: docker/build-push-action@v6
+        with:
+          platforms: ${{ matrix.platform }}
+          target: runtime
+          tags: ${{ env.TAG }}:${{ github.ref_name }}
+          push: true
+
+      - name: Push debug image
+        if: ${{ github.event_name == 'push' && github.ref_type == 'tag' }}
+        uses: docker/build-push-action@v6
         with:
-          builder: ${{ steps.buildx.outputs.name }}
-          push: ${{ steps.tag.outputs.do_push }}
-          tags: |
-            ghcr.io/${{ github.repository }}:latest
-            ghcr.io/${{ github.repository }}:${{ steps.tag.outputs.image_tag }}
-
-      # - name: Build runtime image
-      #   uses: docker/build-push-action@v5
-      #   with:
-      #     builder: ${{ steps.buildx.outputs.name }}
-      #     push: ${{ steps.tag.outputs.do_push }}
-      #     tags: |
-      #       ghcr.io/${{ github.repository }}:${{ steps.tag.outputs.image_tag }}.run
-      #     target: runtime
-      #     cache-from: type=local,src=/tmp/.buildx-cache
-      #     cache-to: type=local,dest=/tmp/.buildx-cache
+          platforms: ${{ matrix.platform }}
+          target: dockerizer
+          tags: ${{ env.TAG }}-debug:${{ github.ref_name }}
+          push: true
 
+  release:
+    # Release on tag push
+    needs: [build]
+    if: ${{ github.event_name == 'push' && github.ref_type == 'tag' }}
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Github Release
+        uses: softprops/action-gh-release@c062e08bd532815e2082a85e87e3ef29c3e6d191 # v2.0.8
+        with:
+          generate_release_notes: true

Dockerfile

@@ -1,9 +1,24 @@
-FROM python:3.11
+FROM python:3.11-slim as common
+
+ENV PATH=/venv/bin:$PATH
+
+FROM python:3.11 as install
 
 RUN python -mvenv /venv
 ENV PATH=/venv/bin:$PATH
 
 COPY requirements.txt .
 RUN pip install -r requirements.txt
 
+FROM common as debug
+
+RUN apt update && apt install -y net-tools tcpdump iproute2 iputils-ping vim
+COPY --from=install /venv /venv
+
+ENTRYPOINT [ "bash" ]
+
+FROM common as runtime
+
+COPY --from=install /venv /venv
+
 ENTRYPOINT [ "bash" ]