service.conf

limit_req_zone $http_x_forwarded_for zone=mylimit:20m rate=10r/s; # you missed line like this

server {
    listen   443 ssl http2;
    server_name www.motwo.cn;
    client_max_body_size 5M;
    limit_req zone=mylimit burst=20 nodelay;



    root /srv/docroot/;

    ssl_certificate         SSL_CERT;
    ssl_certificate_key     SSL_KEY;
    ssl_trusted_certificate SSL_CHAIN_CERT;

    add_header Strict-Transport-Security "max-age=63072000; includeSubdomains; preload";

    limit_conn perip 10;

    access_log off;

    location /yjs {
        proxy_pass http://yjs:1234;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";
        proxy_set_header Host $host;
        
        rewrite ^/yjs/(.*)$ /$1 break;
    }

    location /api {
        add_header Application-Name secrets;

        #CORS
        add_header 'Access-Control-Allow-Origin' '*';
        add_header 'Access-Control-Allow-Methods' 'GET, PUT, POST, DELETE, OPTIONS';
        add_header Access-Control-Allow-Headers "Content-Type, Authorization, X-Requested-With";
        if ($request_method = 'OPTIONS') {
            add_header 'Access-Control-Allow-Origin' '*';
            add_header 'Access-Control-Allow-Methods' 'GET, PUT, POST, DELETE, OPTIONS';
            add_header 'Access-Control-Max-Age'        86400;
            add_header 'Access-Control-Allow-Credentials' 'true';
            add_header 'Access-Control-Allow-Headers' 'Authorization,DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
            add_header 'Content-Length' 0;
            add_header 'Content-Type' 'text/plain; charset=UTF-8';
            return 204;
        }

        proxy_redirect          off;
        proxy_set_header        X-Real-IP $remote_addr;
        proxy_set_header        X-Forwarded-For $remote_addr;
        proxy_set_header        Host $http_host;
        proxy_pass              http://mo2:5001;
    }
    
    location /debug {
        add_header Application-Name secrets;

        #CORS
        add_header 'Access-Control-Allow-Origin' '*';
        add_header 'Access-Control-Allow-Methods' 'GET, PUT, POST, DELETE, OPTIONS';
        add_header Access-Control-Allow-Headers "Content-Type, Authorization, X-Requested-With";
        if ($request_method = 'OPTIONS') {
            add_header 'Access-Control-Allow-Origin' '*';
            add_header 'Access-Control-Allow-Methods' 'GET, PUT, POST, DELETE, OPTIONS';
            add_header 'Access-Control-Max-Age'        86400;
            add_header 'Access-Control-Allow-Credentials' 'true';
            add_header 'Access-Control-Allow-Headers' 'Authorization,DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
            add_header 'Content-Length' 0;
            add_header 'Content-Type' 'text/plain; charset=UTF-8';
            return 204;
        }

        proxy_redirect          off;
        proxy_set_header        X-Real-IP $remote_addr;
        proxy_set_header        X-Forwarded-For $remote_addr;
        proxy_set_header        Host $http_host;
        proxy_pass              http://mo2:5001;
    }

    location / {
        proxy_pass              http://mo2front:8110;
    }
}