Merge pull request #243 from cmu-delphi/sgratzl/image_only

feat: publish images only in main/dev/release branch

Author: sgratzl

.github/workflows/ci_fast.yaml

@@ -37,13 +37,15 @@ jobs:
           path: ./public
 
       - name: Login to GitHub Container Registry
+        if: (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main' || github.ref == 'refs/heads/dev' || github.ref == 'refs/heads/release') && github.event_name == 'push'
         uses: docker/login-action@v1
         with:
           registry: ghcr.io
           username: cmu-delphi-deploy-machine
           password: ${{ secrets.CMU_DELPHI_DEPLOY_MACHINE_PAT }}
 
       - name: Build, tag, and push image to Github
+        if: (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main' || github.ref == 'refs/heads/dev' || github.ref == 'refs/heads/release') && github.event_name == 'push'
         env:
           DEVOPS_DOCKER_FILE: ./devops/precompiled.dockerfile
         run: |