Fix nginx configuration conflict in docker-compose

- Remove default nginx configuration files to prevent conflicts
- Add command to clear /etc/nginx/conf.d/* before starting nginx
- This fixes the 'events directive not allowed here' error

docker-compose.zero-downtime-fixed.yml

@@ -13,6 +13,8 @@ services:
     volumes:
       # Use a more robust path that works in CI/CD environments
       - ./nginx-zero-downtime.conf:/etc/nginx/nginx.conf:ro
+      # Remove default nginx configuration to prevent conflicts
+      - /etc/nginx/conf.d
     networks:
       - portfolio_net
     depends_on:
@@ -26,6 +28,9 @@ services:
     # Fallback: if the config file doesn't exist, create a basic one
     command: >
       sh -c "
+        # Remove default nginx configuration files to prevent conflicts
+        rm -rf /etc/nginx/conf.d/*
+        
         if [ ! -f /etc/nginx/nginx.conf ]; then
           echo 'Creating fallback nginx configuration...'
           cat > /etc/nginx/nginx.conf << 'EOF'