Set up reverse proxy with NginX

upstream chat_backend {
    server 127.0.0.1:3000;
}

# HTTPS Server
server {
    server_name chat.yourdomain.com;

    # You can increase the limit if your need to.
    client_max_body_size 200M;

    error_log /var/log/nginx/chat.yourdomain.com.error.log;
    add_header Accept-Ranges bytes;

    location / {
        proxy_pass http://chat_backend/;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_set_header Host $http_host;

        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forward-Proto http;
        proxy_set_header X-Nginx-Proxy true;
        proxy_force_ranges on;

        proxy_redirect off;
    }

    listen 80;
}

upstream voip_backend {
    server 127.0.0.1:8443;
}

# VoIP server
server {
    server_name voip.yourdomain.com;

    # You can increase the limit if your need to.
    client_max_body_size 200M;

    error_log /var/log/nginx/voip.yourdomain.com.error.log;

    location / {
        proxy_pass https://voip_backend/;
        proxy_http_version 1.1;
        proxy_set_header Host $http_host;

        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Nginx-Proxy true;

        proxy_redirect off;
    }

    location /xmpp-websocket {
        proxy_pass https://voip_backend/xmpp-websocket;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }

    location /colibri-ws/ {
        proxy_pass https://voip_backend/colibri-ws/;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }

    listen 80;
}