Add devcontainer workflow (PalisadoesFoundation#3454)

Co-authored-by: Peter Harrison <[email protected]>

Author: adithyanotfound

.github/workflows/pull-request.yml

@@ -348,3 +348,56 @@ jobs:
           echo "- Contributor may be merging into an incorrect branch."
           echo "- Source branch may be incorrect please use develop as source branch."
           exit 1
+
+  Check-App-Startup:
+    name: Check App Startup and Health
+    runs-on: ubuntu-latest
+    needs: [Run-Tests]
+    steps:
+      - name: Checkout repository
+        uses: actions/[email protected]
+      - name: Install Devcontainer CLI
+        run: npm install -g @devcontainers/cli
+      - name: Copy devcontainer environment file
+        run: cp envFiles/.env.devcontainer .env
+      - name: Bring up devcontainer
+        run: devcontainer up --workspace-folder .
+      - name: Wait for Devcontainer to be ready
+        run: |
+          echo "Waiting for devcontainer services to be ready..."
+          sleep 10
+      - name: Verify Running Containers
+        run: docker ps
+      - name: Install dependencies inside the container
+        run: docker exec talawa-api-1 /bin/bash -c 'pnpm install'
+      - name: Start server and monitor logs
+        run: |
+          docker exec talawa-api-1 /bin/bash -c 'pnpm run start_development_server' &
+          sleep 10
+      - name: Wait for GraphQL endpoint to become available
+        if: always()
+        run: |
+          echo "Waiting for the GraphQL endpoint to become available..."
+          for i in {1..60}; do
+            # Check if container exists first
+            if ! docker ps | grep -q talawa-api-1; then
+              echo "Container talawa-api-1 not found. Waiting..."
+              sleep 2
+              continue
+            fi
+            docker exec talawa-api-1 which curl >/dev/null 2>&1 || {
+              docker exec talawa-api-1 apt-get update && docker exec talawa-api-1 apt-get install -y curl
+            }
+            RESPONSE=$(docker exec talawa-api-1 curl -s -X POST http://127.0.0.1:4000/graphql -H "Content-Type: application/json" -d '{"query":"{__typename}"}' 2>/dev/null || echo "Connection failed")
+            if echo "$RESPONSE" | grep -q '__typename'; then
+              echo "GraphQL endpoint is available!"
+              exit 0
+            fi
+            echo "GraphQL endpoint not ready. Retrying in 2 seconds..."
+            sleep 2
+          done
+          echo "GraphQL endpoint did not become available within the expected time."
+          exit 1
+      - name: Cleanup - Free ports by stopping containers
+        if: always()
+        run: docker compose down