EC2 Fundamentals - Automated Node.js Server Launch User Data Script

userdata.sh

#!/usr/bin/env bash

# Install Node and Git
yum update -y
curl -sL https://rpm.nodesource.com/setup_10.x | bash -
yum install -y nodejs git

# Make a directory to clone the application code to
mkdir -p /home/ec2-user/app && cd /home/ec2-user/app
git clone https://github.com/jcolemorrison/ec2-lb-api.git .

# Install Dependencies
npm install

# Redirect Port 3000 to Port 80 Traffic
iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-ports 3000

# Start the server
node . > stdout.log 2> stderr.log