Node.js Project on AWS CodeDeploy CentOS

appspec.yml

version: 0.0
os: linux
files:
  - source: /
    destination: /home/ec2-user/node
permissions:
  - object: /home/ec2-user
    owner: ec2-user
    group: ec2-user
    type:
      - directory
      - file
hooks:
  BeforeInstall:
    - location: install.sh
      timeout: 300
      runas: root
  AfterInstall:
    - location: post_install.sh
      timeout: 600
      runas: ec2-user
  ApplicationStart:
    - location: run.sh
      timeout: 120
      runas: ec2-user
  ApplicationStop:
    - location: stop.sh
      timeout: 120
      runas: ec2-user
  ValidateService:
    - location: validate.sh
      timeout: 60
      runas: ec2-user

install.sh

#!/usr/bin/env bash
set -e

# update instance
yum -y update

# install general libraries like Java or ImageMagick
yum -y install default-jre ImageMagick

# add nodejs to yum
curl --silent --location https://rpm.nodesource.com/setup_4.x | bash -
yum -y install nodejs #default-jre ImageMagick

# install pm2 module globaly
npm install -g pm2
pm2 update

post_install.sh

#!/usr/bin/env bash
set -e

cd ~/node
npm install

# setup NODE_ENV
if [ ! -z "$DEPLOYMENT_GROUP_NAME" ]; then
    export NODE_ENV=$DEPLOYMENT_GROUP_NAME

    hasEnv=`grep "export NODE_ENV" ~/.bash_profile | cat`
    if [ -z "$hasEnv" ]; then
        echo "export NODE_ENV=$DEPLOYMENT_GROUP_NAME" >> ~/.bash_profile
    else
        sed -i "/export NODE_ENV=\b/c\export NODE_ENV=$DEPLOYMENT_GROUP_NAME" ~/.bash_profile
    fi
fi

# add node to startup
hasRc=`grep "su -l $USER" /etc/rc.d/rc.local | cat`
if [ -z "$hasRc" ]; then
    sudo sh -c "echo 'su -l $USER -c \"cd ~/node;sh ./run.sh\"' >> /etc/rc.d/rc.local"
fi

run.sh

#!/usr/bin/env bash
if [ ! -z "$DEPLOYMENT_GROUP_NAME" ]; then
 export NODE_ENV=$DEPLOYMENT_GROUP_NAME
fi

cd ~/node
pm2 start bin/www -n www -i 0

stop.sh

#!/usr/bin/env bash
cd ~/node
pm2 stop www || true

validate.sh

#!/usr/bin/env bash
sleep 10
nc -zv 127.0.0.1 3000