ci: stabilize pipeline

.env.example

@@ -1,15 +1,11 @@
-# Global defaults
-NODE_ENV=development
-LOG_LEVEL=info
+# Environment variables for local development
+# Copy this file to .env and fill in the values.
+# DO NOT commit the .env file to version control.
 
-# Backend service
-BACKEND_HOST=0.0.0.0
-BACKEND_PORT=3001
-DATABASE_URL=postgresql://merchantsofhope_user:merchantsofhope_password@merchantsofhope-supplyanddemandportal-database:5432/merchantsofhope_supplyanddemandportal
-JWT_SECRET=merchantsofhope_jwt_secret_key_2024
-CORS_ORIGIN=http://localhost:12000
+# PostgreSQL Database
+POSTGRES_DB=merchantsofhope_supplyanddemandportal
+POSTGRES_USER=merchantsofhope_user
+POSTGRES_PASSWORD=merchantsofhope_password
 
-# Frontend service
-FRONTEND_HOST=0.0.0.0
-FRONTEND_PORT=12000
-REACT_APP_API_URL=http://localhost:3001
+# Backend Application
+JWT_SECRET=a_much_stronger_and_longer_secret_key_for_jwt_that_is_not_in_git