There are just three steps

• Setting up the VM on AWS
• Setting up the subdomain
• Setting up the VM for code-server

Setup cloud VM on AWS

• Debian 10
• t2.micro
• Default instance settings
• 8 GB ssd storage
• tags ( optional )
• SSH / 22 / ipv4 source
• HTTP / 80 / ipv4 source
• HTTPS / 443 / ipv4 source
• Custom / 8080 / ipv4
• Create a new private key
• Launch

Setup subdomain

• Setup A record to public IP of aws VM
• TTL to 2 mins

Setup VM for code-server

• connect to the vm via ssh
• sudo apt update && sudo apt upgrade
• curl -fOL https://github.com/cdr/code-server/releases/download/v3.12.0/code-server_3.12.0_amd64.deb
• sudo dpkg -i code-server_3.12.0_amd64.deb
• sudo systemctl enable --now code-server@$USER
• sudo systemctl status code-server@admin.service
• curl http://127.0.0.1:8080
• sudo apt install -y nginx certbot python3-certbot-nginx

• sudo vim /etc/nginx/sites-available/code-server

  server {
    listen 80;
    listen [::]:80;
    server_name mydomain.com;
  
    location / {
      proxy_pass http://localhost:8080/;
      proxy_set_header Host $host;
      proxy_set_header Upgrade $http_upgrade;
      proxy_set_header Connection upgrade;
      proxy_set_header Accept-Encoding gzip;
    }
  }
  

• sudo ln -s ../sites-available/code-server /etc/nginx/sites-enabled/code-server
• sudo certbot --non-interactive --redirect --agree-tos --nginx -d mydomain.com -m hello@mydomain.com
• sudo systemctl restart nginx
• vim ~/.config/code-server/config.yaml
• change password to whatever you want
• sudo systemctl restart code-server@admin.service

Visit your link and enjoy :)