Phoenix app upstart & nginx conf

appname

# nginx config in /etc/nginx/sites-available/appname

upstream appname {
    server 127.0.0.1:8888;
}
# The following map statement is required
# if you plan to support channels. See https://www.nginx.com/blog/websocket-nginx/
map $http_upgrade $connection_upgrade {
    default upgrade;
    '' close;
}
server{
    listen 80;
    server_name .hostname.com;

    location / {
        try_files $uri @proxy;
    }

    location @proxy {
        include proxy_params;
        proxy_redirect off;
        proxy_pass http://appname;
        # The following two headers need to be set in order
        # to keep the websocket connection open. Otherwise you'll see
        # HTTP 400's being returned from websocket connections.
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
    }
}

appname.conf

description "appname"

## Uncomment the following two lines to run the
## application as www-data:www-data
#setuid www-data
#setgid www-data

start on runlevel [2345]
stop on runlevel [016]

expect stop
respawn

env MIX_ENV=prod
export MIX_ENV

## Uncomment the following two lines if we configured
## our port with an environment variable.
env PORT=8888
export PORT

## Add app HOME directory.
env HOME=/app
export HOME


pre-start exec /bin/sh /app/bin/appname start

post-stop exec /bin/sh /app/bin/appname stop