Merge pull request #400 from mareklibra/latest.for.master.only

Do not tag :latest for non-master branches

Author: mareklibra

Diff for: .github/workflows/mergeToSelectedBranches.yaml

@@ -16,8 +16,15 @@ jobs:
           echo "BRANCH=${GITHUB_REF#refs/heads/}" >> $GITHUB_ENV
           echo "GIT_TAG=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
           echo "REACT_APP_GIT_SHA=${{ github.sha }}" >> $GITHUB_ENV
-          echo "IMAGE_TAGS=latest,${{ github.sha }},${GITHUB_REF#refs/heads/}-${{ github.sha }}" >> $GITHUB_ENV
           echo "REACT_APP_VERSION=${{ env.GIT_TAG }}" >> $GITHUB_ENV
+      - name: Set IMAGE_TAGS env variable
+        if: github.ref == 'refs/heads/master'
+        run: |
+          echo "IMAGE_TAGS=latest,${{ github.sha }},${GITHUB_REF#refs/heads/}-${{ github.sha }}" >> $GITHUB_ENV
+      - name: Set IMAGE_TAGS env variable
+        if: github.ref != 'refs/heads/master'
+        run: |
+          echo "IMAGE_TAGS=${{ github.sha }},${GITHUB_REF#refs/heads/}-${{ github.sha }}" >> $GITHUB_ENV
       - name: Read environment variables
         run: |
           echo BRANCH: ${BRANCH}