# Docker-compose file is used only for local development. This is not production-ready example.

version: '3.4'

volumes:
  tmp-data: {}
  golint-cache: {}

services:
  app: &app-service
    image: golang:1.17.1-buster # Image page: <https://hub.docker.com/_/golang>
    working_dir: /src
    environment:
      HOME: /tmp
      GOPATH: /tmp
    volumes:
      - /etc/passwd:/etc/passwd:ro
      - /etc/group:/etc/group:ro
      - .:/src:rw
      - tmp-data:/tmp:rw

  web:
    <<: *app-service
    ports:
      - "8080:8080/tcp" # Open <http://127.0.0.1:8080>
    command:
      - go
      - run
      - ./cmd/error-pages
      - serve
      - --verbose
      - --port=8080
    healthcheck:
      test: ['CMD', 'wget', '--spider', '-q', 'http://127.0.0.1:8080/health/live']
      interval: 5s
      timeout: 2s

  golint:
    image: golangci/golangci-lint:v1.42-alpine # Image page: <https://hub.docker.com/r/golangci/golangci-lint>
    environment:
      GOLANGCI_LINT_CACHE: /tmp/golint # <https://github.com/golangci/golangci-lint/blob/v1.42.0/internal/cache/default.go#L68>
    volumes:
      - .:/src:ro
      - golint-cache:/tmp/golint:rw
    working_dir: /src
    command: /bin/true