Basic nginx config for rails app

core nginx config

#/etc/nginx/nginx.conf - linux (debian/ubuntu)
#/usr/local/etc/nginx/nginx.conf

user www-data;
worker_processes 1;

events {
	worker_connections 1024;
}

http {
	sendfile on;
	client_max_body_size 100M;
	tcp_nopush on;
	tcp_nodelay on;
	keepalive_timeout 65;
	types_hash_max_size 2048;

	include /etc/nginx/mime.types;
	default_type application/octet-stream;

	# Logging Settings - you can define these on a per server basis in your server blocks
	access_log /var/log/nginx/access.log;
	error_log /var/log/nginx/error.log;

	# Gzip Settings
	gzip on;
	gzip_disable "msie6";

	include /etc/nginx/proxy_params;
	include /etc/nginx/conf.d/*.conf;
	#include wherever you keep your server definitions, often in sites-enabled.
	
}

nginx unix socket upstream

upstream rails_socket {
    server unix:/path/to/app/environment/current/tmp/sockets/sock.1;
    server unix:/path/to/app/environment/current/tmp/sockets/sock.2;
    #ngninx has a bunch of directives/options you can use here
}

rails app config

server {
	listen 80 default_server; #you can also do SSL
	server_name mydomain.tld;
    
	access_log /path/to/logdir/nginx/mydomain.tldaccess.log; #linux - /var/log/nginx, others are different
	error_log /path/to/logdir/nginx/mydomain.tld.error.log;

  #locations are evaluated in order, keep that in mind
	location /assets {
		root /path/to/app/environment/current/assets;
	}

	location / {
		proxy_pass http://rails_socket;
	}
}