docker-compose.yml

version: '3.9'

services:
  # PostgreSQL Database
  postgres-db:
    image: postgres:16-alpine
    container_name: sentinel-postgres
    restart: unless-stopped
    ports:
      - '${POSTGRES_PORT:-5432}:5432'
    environment:
      POSTGRES_DB: ${POSTGRES_DB:-sentinel}
      POSTGRES_USER: ${POSTGRES_USER:-postgres}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-postgres}
      PGDATA: /var/lib/postgresql/data/pgdata
    volumes:
      - sentinel-postgres-data:/var/lib/postgresql/data
      - ./migrations:/docker-entrypoint-initdb.d:ro
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-postgres} -d ${POSTGRES_DB:-sentinel}"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 30s
    networks:
      - sentinel-network
    deploy:
      resources:
        limits:
          cpus: '1.0'
          memory: 512M
        reservations:
          cpus: '0.5'
          memory: 256M
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"

  # Redis Cache
  redis-cache:
    image: redis:7-alpine
    container_name: sentinel-redis
    restart: unless-stopped
    ports:
      - '${REDIS_PORT:-6379}:6379'
    command: >
      redis-server
      --requirepass ${REDIS_PASSWORD:-sentinel}
      --maxmemory 256mb
      --maxmemory-policy allkeys-lru
      --save 60 1000
      --appendonly yes
    volumes:
      - sentinel-redis-data:/data
    healthcheck:
      test: ["CMD", "redis-cli", "--raw", "incr", "ping"]
      interval: 10s
      timeout: 3s
      retries: 5
      start_period: 10s
    networks:
      - sentinel-network
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 256M
        reservations:
          cpus: '0.25'
          memory: 128M
    logging:
      driver: "json-file"
      options:
        max-size: "5m"
        max-file: "3"

networks:
  sentinel-network:
    driver: bridge
    ipam:
      driver: default
      config:
        - subnet: 172.25.0.0/16

volumes:
  sentinel-postgres-data:
    driver: local
  sentinel-redis-data:
    driver: local