feat: push completed image

.github/workflows/ci.yml

@@ -11,8 +11,13 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
+env:
+  REGISTRY: ghcr.io
+  LATEST_TAG: ghcr.io/agoric/agoric-3-proposals:latest
+
 jobs:
-  test-proposals:
+  # see https://docs.docker.com/build/ci/github-actions/test-before-push/
+  tests-proposals:
     runs-on: ubuntu-latest
     timeout-minutes: 60
     steps:
@@ -29,12 +34,30 @@ jobs:
           sudo rm -rf "$AGENT_TOOLSDIRECTORY"
           echo "=== After cleanup:"
           df -h
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to Docker Registry
+        uses: docker/login-action@v3
+        with:
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+          registry: ${{ env.REGISTRY }}
+      # The .ts scripts depend upon this
       - run: yarn global add tsx
       - name: build test images
         run: ./buildTestImages.ts
       - name: run test images
         run: ./runTestImages.ts
+      # this should be fast because all the stages were already built
+      - name: Build and push complete image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: ${{ env.LATEST_TAG }}
       - name: notify on failure
         if: failure() && github.event_name != 'pull_request'
         uses: ./.github/actions/notify-status

makeDockerfile.ts

@@ -166,8 +166,10 @@ for (const proposal of readProposals()) {
     blocks.push(stage.EXECUTE(proposal));
   }
 
-  blocks.push(stage.USE(proposal));
+  // TEST depends on USE but define it first but Docker can resolve the dependencies in any order.
   blocks.push(stage.TEST(proposal));
+  // Put USE last so that the last proposal is the default target to build.
+  blocks.push(stage.USE(proposal));
   previousProposal = proposal;
 }