docker-compose.yml

version: '2.1' # Using 2.1 for healthcheck

services:

  http4s-db-scratchpad:
    image: http4s-db-scratchpad:1.0-SNAPSHOT
    environment:
      - HTTP_PORT=${SERVER_HTTP_PORT:-8080}
      - DB_USER=${POSTGRES_USER:-user}
      - DB_HOST=${POSTGRES_HOST:-postgres}
      - DB_PORT=${POSTGRES_PORT:-5432}
      - DB_PASSWORD=${POSTGRES_PASSWORD:-passw0rd}
      - DB_NAME=${POSTGRES_DB:-database}
    ports:
      - "80:8080"
    links:
      - postgres
    depends_on:
      - proxy-dep

  # proxy dependency in order to make sure postgres is running when executing docker-compose run
  proxy-dep:
    image: busybox
    depends_on:
      postgres:
        condition: service_healthy

  postgres:
    image: postgres:9.6.5-alpine
    environment:
      - POSTGRES_USER=${POSTGRES_USER:-user}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-passw0rd}
      - POSTGRES_DB=${POSTGRES_DB:-database}
    ports:
      - "5432"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U $${POSTGRES_USER} -d $${POSTGRES_DB}"]
      interval: 1s
      timeout: 1s
      retries: 50