Merge pull request #24 from CanDIG/Samarth-Agarwal1/fix-workflow

Modified workflow to work for branch 'stable' instead of 'master'

.github/workflows/docker-publish.yml

@@ -3,7 +3,7 @@ name: Docker
 on:
   push:
     branches:
-      - master
+      - stable
 
     # Publish `v1.2.3` tags as releases.
     tags:
@@ -18,6 +18,7 @@ jobs:
         uses: actions/checkout@v2
         with:
           submodules: recursive
+          ref: stable
       - name: Push to GitHub Packages
         uses: docker/build-push-action@v1
         with:
@@ -26,4 +27,5 @@ jobs:
           registry: ghcr.io
           repository: candig/candig-katsu
           tag_with_ref: true
+          tags: latest
           dockerfile: Dockerfile