docker-compose.yml

# Local development services.
#
#   docker compose up -d     start Postgres + Redis
#   docker compose down      stop them (data survives)
#   docker compose down -v   stop AND delete all data
#
# Replaces the two `docker run` commands -- one file, versioned, reproducible.

services:
  postgres:
    image: postgres:16-alpine
    container_name: intval-pg
    restart: unless-stopped
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      POSTGRES_DB: intval
    ports:
      - "5432:5432"
    volumes:
      - pgdata:/var/lib/postgresql/data
    healthcheck:
      # Scripts that start immediately after `up` would otherwise race the
      # database's own startup and fail with "connection refused".
      test: ["CMD-SHELL", "pg_isready -U postgres -d intval"]
      interval: 5s
      timeout: 5s
      retries: 10

  redis:
    image: redis:7-alpine
    container_name: intval-redis
    restart: unless-stopped
    ports:
      - "6379:6379"
    volumes:
      - redisdata:/data
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 5s
      timeout: 3s
      retries: 10

volumes:
  pgdata:
  redisdata: