nginx.conf

events {
    worker_connections 1024;
}

http {
    upstream notes_api {
        server notes-api:3000;
    }

    server {
        listen 80;
        server_name localhost;

        # Security headers
        add_header X-Frame-Options DENY;
        add_header X-Content-Type-Options nosniff;
        add_header X-XSS-Protection "1; mode=block";
        add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;

        # API routes
        location /api/ {
            proxy_pass http://notes_api;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection 'upgrade';
            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;
            proxy_cache_bypass $http_upgrade;
            
            # Timeouts
            proxy_connect_timeout 5s;
            proxy_send_timeout 60s;
            proxy_read_timeout 60s;
        }

        # Health check
        location /health {
            proxy_pass http://notes_api;
            access_log off;
        }

        # Static files (if any)
        location / {
            proxy_pass http://notes_api;
            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;
        }

        # Gzip compression
        gzip on;
        gzip_vary on;
        gzip_min_length 1000;
        gzip_proxied any;
        gzip_comp_level 6;
        gzip_types
            application/json
            application/javascript
            application/xml+rss
            application/atom+xml
            image/svg+xml
            text/plain
            text/css
            text/js
            text/xml
            text/javascript;
    }
}