copilot-api-nginx-proxy/nginx.conf at main · Chat2AnyLLM/copilot-api-nginx-proxy · GitHub

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events {
    worker_connections 1024;
}

http {
    log_format main '$remote_addr - $remote_user [$time_local] "$request" '
                    '$status $body_bytes_sent "$http_referer" '
                    '"$http_user_agent" "$http_x_forwarded_for"';

    access_log /dev/stdout main;
    error_log /dev/stderr debug;
    client_max_body_size 100M;
    map $http_upgrade $connection_upgrade {
        default upgrade;
        '' close;
    }

    # Rate limiting zones
    limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;
    limit_req_zone $binary_remote_addr zone=auth:10m rate=5r/m;

    upstream copilot_api {
        server copilot-api:5001;
    }

    server {
        listen 5000 ssl;
        listen [::]:5000 ssl;
        server_name _;

        ssl_certificate /etc/nginx/certs/copilot.crt;
        ssl_certificate_key /etc/nginx/certs/copilot.key;
        ssl_session_timeout 1d;
        ssl_session_cache shared:MozSSL:10m;
        ssl_session_tickets off;

        ssl_protocols TLSv1.2 TLSv1.3;
        ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;
        ssl_prefer_server_ciphers on;

        add_header X-Content-Type-Options nosniff;
        add_header X-Frame-Options DENY;
        add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" always;
        add_header X-XSS-Protection "1; mode=block" always;
        add_header Referrer-Policy "strict-origin-when-cross-origin" always;
        add_header Content-Security-Policy "default-src 'self'; script-src 'self'; style-src 'self'; img-src 'self' data:; font-src 'self';" always;

        # Remove server header
        # more_clear_headers Server;  # Commented out as nginx-more module is not installed

        location /auth_verify {
            internal;
            limit_req zone=auth burst=10 nodelay;
            limit_req_status 429;
            proxy_pass http://verifier:5002/verify;
            proxy_pass_request_body off;
            proxy_set_header Content-Length "";
            proxy_set_header X-Original-URI $request_uri;
            proxy_set_header Authorization $http_authorization;
        }

        error_page 401 = @error401;
        location @error401 {
            default_type application/json;
            return 401 '{"error":"unauthorized"}';
        }

        # Health check endpoint - no authentication required
        location /health {
            proxy_pass http://copilot_api;
            proxy_http_version 1.1;
            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;
        }

        location / {
            auth_request /auth_verify;
            limit_req zone=api burst=20 nodelay;
            limit_req_status 429;
            proxy_pass http://copilot_api;
            proxy_http_version 1.1;
            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_set_header Upgrade $http_upgrade;
            proxy_set_header Connection $connection_upgrade;
            proxy_buffering off;
            proxy_read_timeout 3600s;
        }
    }
}