Update staging configuration to avoid port conflicts and enhance deployment scripts

- Changed staging app port from 3001 to 3002 in docker-compose.staging.yml
- Updated PostgreSQL port from 5433 to 5434 and Redis port from 6380 to 6381
- Modified STAGING_SETUP.md to reflect new port configurations
- Adjusted CI/CD workflows to accommodate new staging ports and improve deployment messages
- Added N8N environment variables to staging configuration for better integration

docker-compose.staging.yml

@@ -2,15 +2,13 @@
 # Deploys automatically on dev/main branch
 # Uses different ports and container names to avoid conflicts with production
 
-version: '3.8'
-
 services:
   portfolio-staging:
     image: portfolio-app:staging
     container_name: portfolio-app-staging
     restart: unless-stopped
     ports:
-      - "3001:3000"  # Different port from production (3000)
+      - "3002:3000"  # Different port from production (3000) - using 3002 to avoid conflicts
     environment:
       - NODE_ENV=staging
       - DATABASE_URL=postgresql://portfolio_user:portfolio_staging_pass@postgres-staging:5432/portfolio_staging_db?schema=public
@@ -22,9 +20,8 @@ services:
       - MY_INFO_PASSWORD=${MY_INFO_PASSWORD}
       - ADMIN_BASIC_AUTH=${ADMIN_BASIC_AUTH:-admin:staging_password}
       - LOG_LEVEL=debug
-      - N8N_WEBHOOK_URL=${N8N_WEBHOOK_URL:-https://n8n.dk0.dev}
-      - N8N_API_KEY=${N8N_API_KEY}
-      - N8N_SECRET_TOKEN=${N8N_SECRET_TOKEN}
+      - N8N_WEBHOOK_URL=${N8N_WEBHOOK_URL:-}
+      - N8N_SECRET_TOKEN=${N8N_SECRET_TOKEN:-}
     volumes:
       - portfolio_staging_data:/app/.next/cache
     networks:
@@ -62,7 +59,7 @@ services:
     networks:
       - portfolio_staging_net
     ports:
-      - "5433:5432"  # Different port from production (5432)
+      - "5434:5432"  # Different port from production (5432) - using 5434 to avoid conflicts
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U portfolio_user -d portfolio_staging_db"]
       interval: 10s
@@ -88,7 +85,7 @@ services:
     networks:
       - portfolio_staging_net
     ports:
-      - "6380:6379"  # Different port from production (6379)
+      - "6381:6379"  # Different port from production (6379) - using 6381 to avoid conflicts
     healthcheck:
       test: ["CMD", "redis-cli", "ping"]
       interval: 10s