PEER-242: Update actions script

Signed-off-by: SeeuSim <[email protected]>

Author: SeeuSim

.github/workflows/build-deploy-docker.yaml

@@ -11,6 +11,7 @@ on:
       - main
 
 env:
+  IS_GKE_CLUSTER_UP: true
   DOCKER_REGISTRY_USN: ay2425s1cs3219g16
   USER_EXPRESS_PORT: 9001
   QUESTION_EXPRESS_PORT: 9002
@@ -188,21 +189,21 @@ jobs:
 
       - name: Setup GCloud
         uses: google-github-actions/setup-gcloud@v2
-        if: ${{ contains(github.ref, 'main') && github.event.pull_request.title != 'Feedback' && secrets.GKE_CLUSTER }}
+        if: ${{ contains(github.ref, 'main') && github.event.pull_request.title != 'Feedback' && env.IS_GKE_CLUSTER_UP }}
         with: 
           service_account_key: ${{ secrets.GKE_SA_KEY }}
           project_id: ${{ secrets.GKE_PROJECT }}
 
       - name: Get GKE creds
         uses: google-github-actions/get-gke-credentials@v2
-        if: ${{ contains(github.ref, 'main') && github.event.pull_request.title != 'Feedback' && secrets.GKE_CLUSTER }}
+        if: ${{ contains(github.ref, 'main') && github.event.pull_request.title != 'Feedback' && env.IS_GKE_CLUSTER_UP }}
         with:
           cluster_name: ${{ secrets.GKE_CLUSTER }}
           location: ${{ secrets.GKE_ZONE }}
           credentials: ${{ secrets.GKE_SA_KEY }}
 
       - name: Deploy to GKE
-        if: ${{ contains(github.ref, 'main') && github.event.pull_request.title != 'Feedback' && secrets.GKE_CLUSTER }}
+        if: ${{ contains(github.ref, 'main') && github.event.pull_request.title != 'Feedback' && env.IS_GKE_CLUSTER_UP }}
         run: |-
           deployments=("collab-service" "matching-service" "question-service" "user-service" "frontend")
           for dplymnt in "${deployments[@]}"; do