nginx.conf

events {}

http {
    client_max_body_size 0;
    server {
        listen 80;
        location /elb-status {
            access_log off;
            return 200;
        }

        
        location /client {
            if ($request_method = 'OPTIONS') {
                add_header 'Access-Control-Allow-Origin' '*';
                add_header 'Access-Control-Allow-Methods' 'GET, POST, DELETE, PATCH, PUT, OPTIONS';
                add_header 'Access-Control-Allow-Headers' 'Content-Type, Authorization';
                add_header 'Access-Control-Max-Age' 86400;
                return 204;
            }
            add_header 'Access-Control-Allow-Origin' '*' always;
            add_header 'Content-Type' 'application/json' always;
            
            proxy_pass      http://127.0.0.1:4001/api;
            proxy_redirect    default;
            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-Host $server_name;
        }
        location /admin {

            if ($request_method = 'OPTIONS') {
                add_header 'Access-Control-Allow-Origin' '*';
                add_header 'Access-Control-Allow-Methods' 'GET, POST, DELETE, PATCH, PUT, OPTIONS';
                add_header 'Access-Control-Allow-Headers' 'Content-Type, Authorization';
                add_header 'Access-Control-Max-Age' 86400;
                return 204;
            }
            add_header 'Access-Control-Allow-Origin' '*' always;
            add_header 'Content-Type' 'application/json' always;

            proxy_pass      http://127.0.0.1:3000/api;
            proxy_redirect    default;
            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-Host $server_name;
        }
    }
}