Merge pull request #2 from chrisw-dev/copilot/create-docker-image

Add latest tag to Docker image builds for main branch

Author: chrisw-dev

.github/workflows/cd.yml

@@ -77,6 +77,7 @@ jobs:
           type=semver,pattern={{major}}.{{minor}}
           type=sha,prefix=,suffix=,format=short
           type=ref,event=branch
+          type=raw,value=latest,enable={{is_default_branch}}
 
     - name: Extract Git metadata
       id: git-metadata