worker_processes 1;
pid logs/nginx.pid;
error_log logs/error.log;
events { worker_connections 256; }
http {
    access_log logs/access.log;
    limit_req_zone $binary_remote_addr zone=per_ip:1m rate=5r/s;
    upstream api {
        server 127.0.0.1:9000;
        keepalive 8;
    }
    server {
        listen 127.0.0.1:8081;
        server_name localhost;
        client_max_body_size 1m;
        location / {
            limit_req zone=per_ip burst=10 nodelay;
            limit_req_status 429;
            proxy_pass http://api;
            proxy_http_version 1.1;
            proxy_set_header Connection "";
            proxy_set_header Host $host;
            proxy_set_header X-Forwarded-Host $host;
            proxy_set_header X-Forwarded-For $remote_addr;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_set_header Forwarded "";
            proxy_connect_timeout 1s;
            proxy_send_timeout 5s;
            proxy_read_timeout 5s;
            proxy_buffering off;
            proxy_next_upstream off;
        }
    }
}