nginx.conf

worker_processes 1;

events {
    worker_connections 1024;
}

http {
    sendfile on;

    server {
        listen 3000;

        client_max_body_size 0;
        chunked_transfer_encoding on;

        proxy_redirect                      off;
        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://ui:3000;
        }

        location /core/ {
            rewrite ^/core(/.*)$ $1 break;
            proxy_pass                          http://core:3000;
        }

        location /core/socket.io/ {
            rewrite ^/core(/.*)$ $1 break;

            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";

            proxy_pass                          http://core:3000;
        }

        location /auth/ {
            rewrite ^/auth(/.*)$ $1 break;
            proxy_pass                          http://authup:3000;
        }

        location /storage/ {
            rewrite ^/storage(/.*)$ $1 break;
            proxy_pass                          http://storage:3000;
        }

        location /messenger/ {
            rewrite ^/messenger(/.*)$ $1 break;

            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";

            proxy_pass                          http://messenger:3000;
        }
    }
}