nginx.conf example for Phoenix Framework

nginx.conf

upstream phoenix_server {
        server localhost:4001;
}

map $http_upgrade $connection_upgrade {
        default upgrade;
        '' close;
}

server {
        listen 443 ssl http2;
        server_name chat.ecpplus.net;
 
        ssl on;
        
        # something for TLS
  
        add_header Strict-Transport-Security 'max-age=31536000; includeSubDomains;';

        rewrite_log on;

        root /webroot/to/phoenix/priv/static;

        location /socket {
                proxy_pass http://phoenix_server;
                proxy_http_version 1.1;
                proxy_set_header Upgrade $http_upgrade;
                proxy_set_header Connection $connection_upgrade;
                break;
        }
  
        location / {
                location ~* \.(css|js)(\?.*)?$ {
                        expires 1y;
                        add_header Cache-Control public;
                        gzip on;
                        gzip_vary on;
                        gzip_static on;
                        break;
                }

                location ~* \.(png|ico|gif|jpe?g)(\?.*)?$ {
                        expires 1w;
                        add_header Cache-Control public;
                        break;
                }

                if (!-f $request_filename) {
                        proxy_pass http://phoenix_server;
                        break;
                }
        }
}