Fixing GIT_COMMIT_SHA variable in build for main branch

.github/workflows/publish-docker-image-and-deploy.yml

@@ -30,6 +30,9 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Add SHORT_SHA env property with commit short sha
+        run: echo "SHORT_SHA=`echo ${GITHUB_SHA} | cut -c1-8`" >> $GITHUB_ENV
+
       - name: Build and push
         uses: docker/build-push-action@v3
         with: