x-logging: &default-logging
  driver: json-file
  options:
    max-size: "10m"
    max-file: "3"

x-bot-common: &bot-common
  build:
    context: .
    dockerfile: Dockerfile
  restart: unless-stopped
  init: true
  depends_on:
    postgres:
      condition: service_healthy
    redis:
      condition: service_healthy
  security_opt:
    - no-new-privileges:true
  cap_drop:
    - ALL
  stop_grace_period: 30s
  networks:
    - edge_net
    - backend_net
  logging: *default-logging

services:
  bot_alpha:
    <<: *bot-common
    env_file:
      - .env.bot-alpha.prod
    environment:
      STATE_BACKEND: redis
      COMMAND_DISPATCH_MODE: local

  bot_beta:
    <<: *bot-common
    env_file:
      - .env.bot-beta.prod
    environment:
      STATE_BACKEND: redis
      COMMAND_DISPATCH_MODE: local

  postgres:
    image: postgres:16-alpine
    restart: unless-stopped
    init: true
    environment:
      POSTGRES_DB: discord_bots
      POSTGRES_USER: discord_bot
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?POSTGRES_PASSWORD is required}
      POSTGRES_INITDB_ARGS: --auth-host=scram-sha-256 --auth-local=scram-sha-256
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U $$POSTGRES_USER -d $$POSTGRES_DB"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 15s
    security_opt:
      - no-new-privileges:true
    stop_grace_period: 30s
    networks:
      - backend_net
    logging: *default-logging

  redis:
    image: redis:7-alpine
    restart: unless-stopped
    init: true
    environment:
      REDIS_PASSWORD: ${REDIS_PASSWORD:?REDIS_PASSWORD is required}
    command:
      - sh
      - -ec
      - >
        exec redis-server
        --appendonly yes
        --save 60 1000
        --requirepass "$${REDIS_PASSWORD}"
        --maxmemory-policy noeviction
    volumes:
      - redis_data:/data
    healthcheck:
      test: ["CMD-SHELL", "redis-cli -a \"$${REDIS_PASSWORD}\" ping | grep -q PONG"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 10s
    security_opt:
      - no-new-privileges:true
    stop_grace_period: 20s
    networks:
      - backend_net
    logging: *default-logging

volumes:
  postgres_data:
  redis_data:

networks:
  edge_net:
    driver: bridge
  backend_net:
    driver: bridge
    internal: true