version: '3.7'

services:
  app:
    build: .
    image: miroslavsckaya/tg_rss_bot
    environment:
      # DSN schema: postgres://username:password@hostname/database_name
      # https://www.postgresql.org/docs/current/libpq-connect.html#LIBPQ-CONNSTRING
      - "RSSBOT_DSN=postgres://${BOT_DB_USER:-bot}:${BOT_DB_PASSWORD:-dev}@${BOT_DB_HOST:-db}/${BOT_DB_NAME:-bot}"
      # https://core.telegram.org/bots#6-botfather
      - "RSSBOT_TG_TOKEN=${RSSBOT_TG_TOKEN}"
      # https://docs.python.org/3/howto/logging.html#logging-levels
      - "LOG_LEVEL=${LOG_LEVEL:-INFO}"
    depends_on: 
      - postgres
    restart: unless-stopped

  db:
    image: postgres:14-alpine
    environment:
      # Postgres settings
      # https://hub.docker.com/_/postgres
      - "POSTGRES_USER=${BOT_DB_USER:-bot}"
      - "POSTGRES_PASSWORD=${BOT_DB_PASSWORD:-dev}"
      - "POSTGRES_DB=${BOT_DB_NAME:-bot}"
    volumes:
      - db-data:/var/lib/postgresql/data
    restart: unless-stopped
  
volumes:
  db-data: