AWS Elastic Beanstalk nginx webapp.conf for ruby(rails).

webapp.conf

upstream my_app {
  server unix:///var/run/puma/my_app.sock;
}

server {
  listen 80;
  server_name _ localhost; # need to listen to localhost for worker tier

  location / {
    proxy_pass http://my_app; # match the name of upstream directive which is defined above
    proxy_set_header Host $host;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  }

  location /assets {
    alias /var/app/current/public/assets;
    gzip_static on;
    gzip on;
    expires max;
    add_header Cache-Control public;
  }

  location /public {
    alias /var/app/current/public;
    gzip_static on;
    gzip on;
    expires max;
    add_header Cache-Control public;
  }
}