Merge pull request #29 from lsst-ts/tickets/DM-48220

DM-48220: Move image push from public lsstsqre dockerhub to lsst-ts GHCR.

.github/workflows/ci.yaml

@@ -44,27 +44,23 @@ jobs:
         id: print
         run: echo ${{steps.vars.outputs.tag}}
 
-      - name: Log into Docker Hub
-        run: echo ${{ secrets.DOCKER_TOKEN }} | docker login --username ${{ secrets.DOCKER_USERNAME }} --password-stdin
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
 
-      - name: Pull previous images
-        run: |
-          docker pull lsstsqre/narrativelog:deps-${{steps.vars.outputs.tag}} || true
-          docker pull lsstsqre/narrativelog:${{steps.vars.outputs.tag}} || true
-
-      - name: Build the dependencies Docker image
-        run: |
-          docker build --target dependencies-image \
-            --cache-from=lsstsqre/narrativelog:deps-${{steps.vars.outputs.tag}} \
-            --tag lsstsqre/narrativelog:deps-${{steps.vars.outputs.tag}} .
-
-      - name: Build the runtime Docker image
-        run: |
-          docker build --target runtime-image \
-            --cache-from=lsstsqre/narrativelog:${{steps.vars.outputs.tag}} \
-            --tag lsstsqre/narrativelog:${{steps.vars.outputs.tag}} .
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Push Docker images
-        run: |
-          docker push lsstsqre/narrativelog:deps-${{steps.vars.outputs.tag}}
-          docker push lsstsqre/narrativelog:${{steps.vars.outputs.tag}}
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: |
+            ghcr.io/lsst-ts/narrativelog:${{ steps.vars.outputs.tag }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          platforms: linux/amd64