hf.nginx.conf

events {
    worker_connections 1024;
}

pid /tmp/nginx.pid;

http {
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;

    access_log /dev/stdout;
    error_log /dev/stderr;

    upstream gateway {
        server 127.0.0.1:8001;
    }

    upstream langgraph {
        server 127.0.0.1:2024;
    }

    upstream frontend {
        server 127.0.0.1:3000;
    }

    server {
        listen __PORT__;
        listen [::]:__PORT__;
        server_name _;
        

        proxy_hide_header Access-Control-Allow-Origin;
        proxy_hide_header Access-Control-Allow-Methods;
        proxy_hide_header Access-Control-Allow-Headers;
        proxy_hide_header Access-Control-Allow-Credentials;

        add_header Access-Control-Allow-Origin "*" always;
        add_header Access-Control-Allow-Methods "GET, POST, PUT, DELETE, PATCH, OPTIONS" always;
        add_header Access-Control-Allow-Headers "*" always;

        if ($request_method = OPTIONS) {
            return 204;
        }

        location /api/langgraph/ {
            rewrite ^/api/langgraph/(.*) /$1 break;
            proxy_pass http://langgraph;
            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 Connection "";

            proxy_buffering off;
            proxy_cache off;
            proxy_set_header X-Accel-Buffering no;

            proxy_connect_timeout 600s;
            proxy_send_timeout 600s;
            proxy_read_timeout 600s;
            chunked_transfer_encoding on;
        }

        location /api/ {
            proxy_pass http://gateway;
            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_connect_timeout 600s;
            proxy_send_timeout 600s;
            proxy_read_timeout 600s;
        }

        location /docs {
            proxy_pass http://gateway;
            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 /redoc {
            proxy_pass http://gateway;
            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 /openapi.json {
            proxy_pass http://gateway;
            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 /health {
            proxy_pass http://gateway;
            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 / {
            proxy_pass http://frontend;
            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 "upgrade";
            proxy_cache_bypass $http_upgrade;

            proxy_connect_timeout 600s;
            proxy_send_timeout 600s;
            proxy_read_timeout 600s;
        }
    }
}