Rocket.Chat Nginx config

IT Overflow
1 
# Upstreams
upstream backend {
    server localhost:3000;
}

# Redirect Options
server {
  listen 80;
#  server_name 172.16.1.22;
  server_name rc.rage;
  # enforce https
  return 301 https://$server_name$request_uri;
}

# HTTPS Server
server {
    listen 443;
    #server_name 172.16.1.22;
    server_name rc.rage;

    error_log /var/log/nginx/rocketchat.access.log;

    ssl on;
    ssl_certificate /etc/nginx/ssl/rocket-chat.crt;
    ssl_certificate_key /etc/nginx/ssl/rocket-chat.key;
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # don’t use SSLv3 ref: POODLE

    location / {
        proxy_pass http://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-Forward-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forward-Proto http;
        proxy_set_header X-Nginx-Proxy true;

        proxy_redirect off;
    }
}