"# EduNews_bot 2.0"

Deployment process

Prepare to upload to GitHub

pip freeze > requirements.txt

Setup database on the server

Install Redis Source

• sudo apt install redis

• redis-cli --version - check installation

• sudo systemctl status redis - check if redis is running

Install Postgresql Source

• sudo apt install postgresql postgresql-contrib

• sudo systemctl start postgresql.service

• sudo -i -u postgres - switch to postgres user

• psql - open psql shell, \q - close shell

• exit - return tu regular user

• sudo -u postgres psql - run the psql command as the postgres account directly with sudo

• createuser --interactive - create new user while logged in

• createdb 'Datamabase name' - create database with the name

Clone project from GitHub and configure

• git clone project_address

• python -m venv venv

• source venv/bin/activate - create and activate venv inside project

• pip install -r requirements.txt - install requirements

• cp env_dict .env

• nano .env - configure environments

Install Telegram Bot API server

Setup Docker and docker compose Source

• curl -fsSL https://get.docker.com -o get-docker.sh

• DRY_RUN=1 sudo sh ./get-docker.sh - install docker

• sudo apt-get install docker-compose-plugin - install docker compose

• docker compose version - check installation

Install api server image Source

docker pull aiogram/telegram-bot-api - pull the image

Configure docker compose

nano docker-compose.yml - open editor

Configuration sample:

version: '3.7'
 
services:
  telegram-bot-api:
    image: aiogram/telegram-bot-api:latest
    environment:
      TELEGRAM_API_ID: "<api-id>"
      TELEGRAM_API_HASH: "<api-hash>"
      TELEGRAM_LOCAL: "1"
    volumes:
      - telegram-bot-api-data:/var/lib/telegram-bot-api
    ports:
      - 8081:8081

volumes:
  telegram-bot-api-data:

docker-compose up -d - run docker image in the background

curl localhost:8081 - check api server

Create service for project

sudo nano /etc/systemd/system/bot.service - open editor to create service

Configuration sample:

[Unit]
Description=Gunicorn Daemon for FastAPI
After=network.target

[Service]
User=username
Group=www-data
WorkingDirectory=<directory_of_script e.g. /ubuntu/MyProject>
ExecStart=/home/ubuntu/MyProject/venv/bin/gunicorn -c core/gunicorn_conf.py app:app
Restart=always

[Install]
WantedBy=multi-user.target

Service management commands:

• sudo systemctl start bot - start bot
• sudo systemctl stop bot - stop bot
• sudo systemctl enable bot - enable bot restart on reboot
• sudo service bot restart - restart bot

Setup nginx Source

• sudo apt install nginx - install nginx
• systemctl status nginx - check status

Edit configuration:

• sudo nano /etc/nginx/sites-enabled/default

Configuration sample

upstream app_server {
    server unix:/tmp/gunicorn.sock fail_timeout=0;
  }

  server {
    listen 80;
    server_name _;

    root /home/ubuntu/Feedback_bot/static/;

    location / {
      try_files $uri @proxy_to_app;
    }

    location @proxy_to_app {
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_set_header X-Forwarded-Proto $scheme;
      proxy_set_header Host $http_host;
      proxy_redirect off;
      proxy_pass http://app_server;
    }
  }

Basic nginx commands:

• sudo service nginx start - start nginx
• sudo service nginx stop - stop nginx
• sudo service nginx restart - restart nginx
• sudo service nginx reload - reload nginx without loosing connection