services:
  nats:
    image: nats:2.11-alpine
    command:
      - "--jetstream"
    ports:
      - "4222:4222"   # Client connections
      - "8222:8222"   # HTTP monitoring
      - "6222:6222"   # Clustering

  postgres:
    image: postgres:17-alpine
    environment:
      POSTGRES_USER: devuser
      POSTGRES_PASSWORD: devpassword
      POSTGRES_DB: dev
    shm_size: 128mb
    ports:
      - "5432:5432"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U devuser -d dev"]
      interval: 5s
      timeout: 5s
      retries: 5