Quick Guide for AWS

Open Table of contents

Deploy to EC2
Bucket Policy for S3
CloudFront Guide
Steps to get SSL Certificate to EC2 instance

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
```

Connect to the distant server with the command

ssh -i <certificate>.pem ec2-user@<Public_IPv4_DNS>

Install node with nvm

Download nvm using curl

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.34.0/install.sh | bash

Activate nvm with
```
. ~/.nvm/nvm.sh
```
Install node with
```
nvm install node
```

Test node installation with

node -e "console.log('Running Node.js ' + process.version)"

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

Install MongoDB community edition

Verify Linux Distribution with
```
grep ^NAME  /etc/*release
```

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
```

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

Install MongoDB packages with
```
sudo yum install -y mongodb-org
```

Setup storage directory for MongoDb

cd /
sudo mkdir data
cd data
sudo mkdir db
cd ../..
cd home/ec2-user

Start mongodb service
```
sudo service mongod start
```

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

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>
```

Transfer zipped file using scp

scp -i <certificate>.pem server.zip ec2-user@<Public_IPv4_DNS>:

Now connect back to instance with SSH and unzip the file
```
unzip server.zip
```

Run Application with screen

install the node modules and run the app with screen

screen npm start

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>/*"
    }
  ]
}

CloudFront Guide

Use this tutorial for setting up cloudfront

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