Typical Rails nginx configuration

default.conf

upstream zealous-badger {
  server 127.0.0.1:49224;
}
server {
  listen [::]:80;
  listen 80;
  server_name zealous-badger.example.com;
  location / {
    proxy_pass http://zealous-badger;
    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-Forwarded-Proto $scheme;
    proxy_set_header X-Forwarded-For $remote_addr;
    proxy_set_header X-Forwarded-Port $server_port;
    proxy_set_header X-Request-Start $msec;
  }
  
  location ~ ^/assets/ {
    root /home/mydomain.com/current/public;
    gzip_static on;
    expires max;
    add_header Cache-Control public;
  }
}