docker-compose.yaml

# ./docker-compose.yaml
version: '3.2'

services:
  urlsh:
    image: golang:1.16-alpine3.12
    working_dir: /go/src/app
    command: sh -c 'sleep 2 && go run main.go'
    ports:
      - ${PORT:-2000}:${PORT:-2000}
    volumes:
      - .:/go/src/app:delegated
    env_file:
      - .env
    environment:
      - POSTGRES_HOST=urlshdb
      - CGO_ENABLED=0
    depends_on:
      - urlshdb
      - urlshcache

  urlshdb:
    image: postgres:12.4-alpine
    ports:
      - 2001:5432
    volumes:
      - dbdata:/var/lib/postgresql
      - ./init-test-db.sh:/docker-entrypoint-initdb.d/init-test-db.sh
    environment:
      - POSTGRES_USER=${POSTGRES_USER:-postgres}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-postgres}
      - POSTGRES_DB=urlsh

  urlshcache:
    image: redis:alpine
    ports:
      - 2002:6379
    volumes:
      - cachedata:/data

volumes:
  dbdata: {}
  cachedata: {}