Simple RocketChat nginx conf

rocketchat.conf

 # Upstreams
 upstream backend {
    server 127.0.0.1:3000;
 }

 # HTTPS Server
 server {
    listen 1.2.3.4:443 ssl http2;
    server_name chat.mydomain.com;

    # You can increase the limit if your need to.
    client_max_body_size 200M;
    access_log /var/log/nginx/rocketchat.access.log;
    error_log /var/log/nginx/rocketchat.error.log;

    ssl on;
    ssl_certificate /etc/dehydrated/certs/mydomain.com/fullchain.pem;
    ssl_certificate_key /etc/dehydrated/certs/mydomain.com/privkey.pem;
    ssl_trusted_certificate /etc/dehydrated/certs/mydomain.com/chain.pem;
    
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # don’t use SSLv3 ref: POODLE

    location / {
        # add_header Content-Security-Policy "frame-ancestors www.myotherdomain.com";
        # add_header X-Frame-Options "ALLOW-FROM https://www.myotherdomain.com/";
        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-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forward-Proto http;
        proxy_set_header X-Nginx-Proxy true;
        proxy_redirect off;
    }
 }