Instagram Clone - MERN Stack

Create AWS infrastructure and deploy React frontend & Node/Express backend using Terraform.

Source Code Repo for this Project: https://github.com/mleager/instagram-mern

ORIGINAL PROJECT BY: Jigar Sable

• Project was modified to use Postmark instead of SendGrid.

Project Resources:

VPC

• and accompanying IGW, NAT, Routing Tables, etc.

2 Application Load Balancers

• 1 Internet-Facing ALB for Frontend, 1 Internal ALB for Backend

2 Autoscaling Groups

• 1 for each of the Frontend & Backend

MongoDB

• MongoDB resources for storing site data

DNS

• ACM and Route53 records for DNS

Security Groups

• Security Groups for AWS resources

Instructions:

Apply Terraform config files

NOTE:
* MongoDB Provider requires Public and Private Access Keys.
* The 0-provider.tf file shows 2 options for using the Keys:

  Set Keys as ENV Varibles using your Local Terminal
    - MONGODB_ATLAS_PUBLIC_KEY=xxxxxxxx
    - MONGODB_ATLAS_PRIVATE_KEY=xxxxxxxxxxxxxxxxxxxx
      
  Set Keys are Terraform variables in `terraform.tfvars`
    - Make sure this file is not commited to Public Repos and stored properly

Start the Backend Server

1. SSM into instance (allowed by IAM Instance Profile)
2. cd /usr/share/nginx/backend
3. Add MongoDB Connection String to '/backend/config/config.env'

  * Must append "/?retryWrites=true&w=majority" to connect MongoDB with Node.js Backend *

MONGO_URI=mongodb+srv://<username>:<password>@mongo-cluster.abcdefg.mongodb.net/?retryWrites=true&w=majority

                  <mongo_connection_string>/?retryWrites=true&w=majority

4. $ sudo npm start

Start Frontend Server

1. SSM into instance (allowed by IAM Instance Profile)
2. confirm Nginx is running
   sudo systemctl status nginx
3. cd /usr/share/nginx/frontend
4. $ sudo npm start