Rocket Chat Install

#!/bin/bash

URL='chat.nute.ufsc.br'
export DOWNLOAD='https://rocket.chat/releases/latest/download'
export INSTANCIA='chat'
PORT=3040

# INSTALACAO
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10
echo "deb http://repo.mongodb.org/apt/ubuntu trusty/mongodb-org/3.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.0.list
sudo apt-get update
sudo apt-get install -y mongodb-org curl graphicsmagick npm  nodejs supervisor
sudo npm install -g n
sudo n 0.10.40

deploy(){
    cd
    curl -L $DOWNLOAD -o rocket.chat.tgz
    tar zxfv rocket.chat.tgz
    rm rocket.chat.tgz
    cd bundle/programs/server
    npm install
    cd
    rm -fR "$INSTANCIA"
    mv bundle "$INSTANCIA"
}
export -f deploy
supervisorctl stop $INSTANCIA
su rocketchat -c "bash -c deploy "

echo "#
[program:${INSTANCIA}]
directory = /home/rocketchat/$INSTANCIA/
user = rocketchat
command = /usr/bin/node main.js
autostart=true
autorestart=true
redirect_stderr=true
stdout_logfile = /var/log/supervisor/$INSTANCIA.log
stderr_logfile = /var/log/supervisor/${INSTANCIA}_error.log
environment=HOME='/home/rocketchat',MONGO_URL='mongodb://127.0.0.1:27017/${INSTANCIA}',MONGO_OPLOG_URL='mongodb://127.0.0.1:27017/local',PORT='${PORT}',HOST='${URL}',ROOT_URL='http://${URL}/'" > /etc/supervisor/conf.d/${INSTANCIA}.conf

/etc/init.d/supervisor stop
sleep 2
/etc/init.d/supervisor start
sleep 2

supervisorctl status

tail -n 20 /var/log/supervisor/$INSTANCIA.log
echo tail -f /var/log/supervisor/$INSTANCIA.log

echo "
upstream $INSTANCIA          {server 150.162.3.80:$PORT;}

server {
        listen 80;
        server_name $URL;
        location /
        {
                allow   150.162.0.0/16;
#               deny    all;
                access_log  /var/log/nginx/$INSTANCIA-access-pma.log cache ;
                include "include/proxy.opts";
                proxy_pass  http://$INSTANCIA;
        }
}"