# Nginx reverse proxy configuration for Docker Compose deployment
# Place this in docker-compose.yml volume mount to /etc/nginx/conf.d/default.conf

# Backend API proxy - use Docker service name instead of localhost
upstream backend {
    server backend:12015;
}

# Frontend proxy - use Docker service name instead of localhost
upstream frontend {
    server frontend:12016;
}

server {
    listen 80;
    server_name _;

    # Backend API proxy
    location /api/ {
        proxy_pass http://backend;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;

        # WebSocket support (if needed in future)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }

    # Frontend proxy
    location / {
        proxy_pass http://frontend;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;

        # Static files caching
        location ~* \.(css|js|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
            proxy_pass http://frontend;
            expires 30d;
            add_header Cache-Control "public, immutable";
        }
    }

    # Health check endpoint
    location /health {
        proxy_pass http://backend;
        proxy_set_header Host $host;
    }
}