Merge pull request #33 from posit-dev/fix-dockerhub-repo-names

fix(ci): push to GHCR on main branch before Docker Hub

Author: ian-flores

.github/workflows/build.yml

@@ -174,6 +174,11 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Push to GHCR (main branch)
+        if: github.ref == 'refs/heads/main'
+        run: |
+          docker push "${{ steps.image-tag.outputs.full-image }}"
+
       - name: Push to GHCR (for PRs - adhoc testing)
         if: github.event_name == 'pull_request'
         run: |