Application Tier

1. First, we need zip code then copy to EC2 Public

2. Check received or not

3. Copy backend.zip to EC2 Private - Application

4. SSH to EC2 Private - Application and check

5. Install unzip then unzip backend.zip

6. Create user backend, create directory /projects and move folder backend to

7. chown, chmod folder backend, check

8. Install python, pip, venv

9. Create virtualenv - environment for python to run the project, then activate this virtual environment

10. Install project’s dependencies

pip install -r requirements.txt

11. Change ip database to Database tier’s ip

12. Run project, error with database

13. Change Security Group Private Subnet, add rule TCP port 27017 of MongoDB

14. Run project again, successful

15. Then, we use nginx as revert proxy for backend, install

16. Create a new file, name as fastapi_nginx in the direct : /etc/nginx/sites-enabled/ , has this content :

17. Checking syntax of nginx and restart

18. Restart project, now nginx is running as revert proxy, forward request from port 80 to port 8000.