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Mohammed Shaheem P
Mohammed Shaheem P

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Quick Guide for AWS

#aws #ec2 #devops #s3

Deploy to EC2

Security Group

Setup the following security group configuration

Preffered security group for ec2 instance

Connect with SSH

  • Update the permission of downloaded certificate file 
chmod 400 <file_name>.pem
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  • Connect to the distant server with the command 
ssh -i <certificate>.pem ec2-user@<Public_IPv4_DNS>
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Install node with nvm

  • Download nvm using curl 
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.34.0/install.sh | bash
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  • Activate nvm with 
. ~/.nvm/nvm.sh
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  • Install node with 
nvm install node
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  • Test node installation with 
node -e "console.log('Running Node.js ' + process.version)"
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Checkout the official documentation on how to setup node in ec2 linux

Port Forwarding from 80 to 8000

Use the following command for port forwarding

sudo iptables -t nat -I PREROUTING -p tcp --dport 80 -j REDIRECT --to-ports 8000
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Install MongoDB community edition

  • Verify Linux Distribution with 
grep ^NAME  /etc/*release
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The result should be Amazon Linux or Amazon Linux AMI

  • Create a /etc/yum.repos.d/mongodb-org-4.4.repo file so that you can install MongoDB directly using yum: 
cd /etc/yum.repos.d
sudo touch mongodb-org-4.4.repo
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  • Add the following Configuration to created file with nano or vim 
[mongodb-org-4.4]
name=MongoDB Repository
baseurl=https://repo.mongodb.org/yum/amazon/2/mongodb-org/4.4/x86_64/
gpgcheck=1
enabled=1
gpgkey=https://www.mongodb.org/static/pgp/server-4.4.asc
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  • Install MongoDB packages with 
sudo yum install -y mongodb-org
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  • Setup storage directory for MongoDb 
cd /
sudo mkdir data
cd data
sudo mkdir db
cd ../..
cd home/ec2-user
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  • Start mongodb service 
sudo service mongod start
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Checkout common errors faced during this

Checkout the offficial Documentation

Install PostgreSQL

Follow this article for installing PostgreSQL

after install use this command to open db shell

sudo su - postgres
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Transfer node project to ec2

You can use programs like filezilla to transfer project files the method I use personally is to send zipped file using scp command

  • Delete node_modules directory from project
  • Zip the project directory 
zip -r server.zip <project_directory>
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  • Transfer zipped file using scp 
scp -i <certificate>.pem server.zip ec2-user@<Public_IPv4_DNS>:
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  • Now connect back to instance with SSH and unzip the file 
unzip server.zip
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Run Application with screen

install the node modules and run the app with screen

screen npm start
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you can detach the screen without terminating by

i. ctrl+A
ii. D

Bucket Policy for S3

Use the following bucket policy in S3 Bucket for public read access

{
    "Version": "2008-10-17",
    "Statement": [
        {
            "Sid": "AllowPublicRead",
            "Effect": "Allow",
            "Principal": {
                "AWS": "*"
            },
            "Action": "s3:GetObject",
            "Resource": "arn:aws:s3:::<bucket_name>/*"
        }
    ]
}
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CloudFront Guide

Use this tutorial for setting up cloudfront

Steps to get SSL Certificate to EC2 instance

  1. move nameserver to Route 53
  2. request certificate from ACM
  3. create load balancer targeting to ec2 instance
  4. create a record pointing to load balancer in route 53

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