fix: avoid gitops for packages that don't have dockerfile

Author: chinathaip

.github/workflows/gitops.yaml

@@ -23,18 +23,39 @@ jobs:
             matrix:
                 packages: ${{ fromJson(inputs.packages_deployment) }}
 
+        outputs:
+            DOCKERFILE_EXISTS: ${{ steps.check-dockerfile.outputs.DOCKERFILE_EXISTS }}
+
         steps:
             - name: checkout
+              uses: action/checkout
+
+            - name: Check if Dockerfile exists
+              id: check-dockerfile
+              run: |
+                  if [ ! -f apps/${{ matrix.packages.name }}/Dockerfile ]; then
+                    echo "Dockerfile does not exist"
+                    echo "DOCKERFILE_EXISTS=false" >> $GITHUB_OUTPUT
+                  else
+                    echo "Dockerfile exists"
+                    echo "DOCKERFILE_EXISTS=true" >> $GITHUB_OUTPUT
+                  fi
+
+            - name: checkout
+              if: steps.check-dockerfile.outputs.DOCKERFILE_EXISTS == 'true'
               uses: actions/checkout@v3
               with:
                   repository: stamford-syntax-club/infra
                   fetch-depth: 0
                   token: ${{ secrets.workflow_token }}
 
             - name: create and checkout new branch
+              if: steps.check-dockerfile.outputs.DOCKERFILE_EXISTS == 'true'
               run: |
                   git checkout -b deploy/${{ inputs.environment }}/coursecompose/${{ matrix.packages.name }}/${{ github.sha }}
+
             - name: change image tag
+              if: steps.check-dockerfile.outputs.DOCKERFILE_EXISTS == 'true'
               run: |
                   git config user.name "${{ github.actor }}"
                   git config user.email "${{ github.actor }}@stamford.dev"