docker-compose.yml

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

version: '3.8'

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

services:
  app: &go
    build: {target: builder}
    environment:
      HOME: /tmp
      GOPATH: /tmp
    volumes:
      - /etc/passwd:/etc/passwd:ro
      - /etc/group:/etc/group:ro
      - .:/src:rw
      - tmp-data:/tmp:rw
    security_opt: [no-new-privileges:true]

  web:
    <<: *go
    ports:
      - "8080:8080/tcp" # Open <http://127.0.0.1:8080>
    command: sh -c "go build -buildvcs=false -o /tmp/app ./cmd/error-pages && /tmp/app serve --show-details --proxy-headers=X-Foo,Bar,Baz_blah --catch-all"
    healthcheck:
      test: ['CMD', '/tmp/app', '--log-json', 'healthcheck']
      interval: 4s
      start_period: 5s
      retries: 5

  golint:
    image: golangci/golangci-lint:v1.54-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:
      - golint-go:/go:rw # go dependencies will be downloaded on each run without this
      - golint-cache:/tmp/golint:rw
      - .:/src:ro
    working_dir: /src
    security_opt: [no-new-privileges:true]

  hurl:
    image: orangeopensource/hurl:1.8.0
    volumes:
      - .:/src:ro
    working_dir: /src
    depends_on:
      web: {condition: service_healthy}
    security_opt: [no-new-privileges:true]