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AWS Startup Instructions.md

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AWS EC2 Instance Startup Instructions

After creating an EC2 instance of OS type Amazon Linux, ssh into it using the generated security key and follow these instructions to setup the server. ssh -i [keypair].pem ubuntu@[Elastic IP Address]

Install Dependencies

Update system

sudo apt-get update -y

Install tmux and nginx

sudo apt-get install nginx -y

Install pip3

sudo apt install python3-pip -y

Upgrade pip

sudo python3 -m pip install --upgrade pip

Clone git repository

git clone https://github.com/KaviMD/ppe-exchange.git

Enter the git repo

cd ppe-exchange

Install virtualenv

sudo apt-get install python3-venv -y sudo apt install virtualenv -y

Set the correct timezone

https://stackoverflow.com/questions/34394279/how-to-set-aws-amazon-server-time-cant-find-etc-sysconfig-clock-file

Setup nginx [guide] (https://chrisdtran.com/2017/deploy-flask-on-ec2/)

Delete default nginx server

sudo rm /etc/nginx/sites-enabled/default

Create a symlink for the server config file

sudo ln -s ~/ppe-exchange/example.com /etc/nginx/sites-enabled/example.com

Create a symlink for the 502 error page

sudo ln -s ~/ppe-exchange/500.html /var/www/html/502.html

Copy the SSL Certificate and Key on to the server using scp

Update the example.com file with the correct domain name and SSL Certificate and Key locations

Restart nginx to apply changes

sudo service nginx restart

Setup Website

Create a new virtual enviornment

python3 -m venv venv

Enter the environment

source venv/bin/activate

Install libraries from requirements.txt

pip install -r requirements.txt

Create a new tmux session with

tmux new -s ppe-exchange

Start the server with

flask run -h localhost -p 5000

Exit the tmux session with

CTRL-b and then d

You can reattach to the session by running

tmux a -t ppe-exchange

You should be able to access the server by findings its hostname in the EC2 Console and going to:

[Elastic IP Address]

If you cannot access it, make sure that:

  1. The hostname is correct
  2. That you have an inbound rule allowing access to port 5000