watching unicorns with upstart

nginx.conf

# turn off marking upstreams as failed via max_fails and fail_timeout
# if you're only using 1 unicorn, you have to list it twice so nginx tries it again
upstream app {
  server 127.0.0.1:8080 max_fails=0 fail_timeout=0;
  server 127.0.0.1:8080 max_fails=0 fail_timeout=0;
}

# tells nginx to retry another upstream on failure
proxy_next_upstream error; 
proxy_pass http://app;

upstart.conf

# LIMIT AS = VIRT in top
# For some reason, LIMIT RSS doesn't work correctly

limit as 157286400 157286400 # 150*1024*1024
exec /usr/local/bin/unicorn -c /home/ubuntu/unicorn.rb /home/ubuntu/config.ru