mox/docker-compose-quickstart.yml

version: '3.7'
services:
  # We run quickstart_test.go from this container, it connects to both mox instances.
  test:
    hostname: test.mox1.example
    image: mox_quickstart_test
    # We add our cfssl-generated CA (which is in the repo) and acme pebble CA
    # (generated each time pebble starts) to the list of trusted CA's, so the TLS
    # dials in quickstart_test.go succeed.
    command: ["sh", "-c", "set -ex; cat /quickstart/tmp-pebble-ca.pem /quickstart/tls/ca.pem >>/etc/ssl/certs/ca-certificates.crt; go test -tags quickstart"]
    volumes:
      - ./.go:/.go
      - ./testdata/quickstart/resolv.conf:/etc/resolv.conf
      - ./testdata/quickstart:/quickstart
      - .:/mox
    environment:
      GOCACHE: /.go/.cache/go-build
    depends_on:
      dns:
        condition: service_healthy
      # moxmail2 depends on moxacmepebble, we connect to both.
      moxmail2:
        condition: service_healthy
    networks:
      mailnet1:
        ipv4_address: 172.28.1.50

  # First mox instance that uses ACME with pebble.
  moxacmepebble:
    hostname: moxacmepebble.mox1.example
    domainname: mox1.example
    image: mox_quickstart_moxmail
    environment:
      MOX_UID: "${MOX_UID}"
    command: ["sh", "-c", "/quickstart/moxacmepebble.sh"]
    volumes:
      - ./testdata/quickstart/resolv.conf:/etc/resolv.conf
      - ./testdata/quickstart:/quickstart
    healthcheck:
      test: netstat -nlt | grep ':25 '
      interval: 1s
      timeout: 1s
      retries: 10
    depends_on:
      dns:
        condition: service_healthy
      acmepebble:
        condition: service_healthy
    networks:
      mailnet1:
        ipv4_address: 172.28.1.10

  # Second mox instance, with TLS cert/keys from files.
  moxmail2:
    hostname: moxmail2.mox2.example
    domainname: mox2.example
    image: mox_quickstart_moxmail
    environment:
      MOX_UID: "${MOX_UID}"
    command: ["sh", "-c", "/quickstart/moxmail2.sh"]
    volumes:
      - ./testdata/quickstart/resolv.conf:/etc/resolv.conf
      - ./testdata/quickstart:/quickstart
    healthcheck:
      test: netstat -nlt | grep ':25 '
      interval: 1s
      timeout: 1s
      retries: 10
    depends_on:
      dns:
        condition: service_healthy
      acmepebble:
        condition: service_healthy
      # moxacmepebble creates tmp-pebble-ca.pem, needed by moxmail2 to trust the certificates offered by moxacmepebble.
      moxacmepebble:
        condition: service_healthy
    networks:
      mailnet1:
        ipv4_address: 172.28.1.20

  dns:
    hostname: dns.example
    build:
      dockerfile: Dockerfile.dns
      # todo: figure out how to build from dockerfile with empty context without creating empty dirs in file system.
      context: testdata/quickstart
    volumes:
      - ./testdata/quickstart/resolv.conf:/etc/resolv.conf
      - ./testdata/quickstart:/quickstart
    # We start with a base example.zone, but moxacmepebble appends its records,
    # followed by moxmail2. They restart unbound after appending records.
    command: ["sh", "-c", "set -ex; ls -l /etc/resolv.conf; chmod o+r /etc/resolv.conf; install -m 640 -o unbound /quickstart/unbound.conf /etc/unbound/; chmod 755 /quickstart; chmod 644 /quickstart/*.zone; cp /quickstart/example.zone /quickstart/example-quickstart.zone; ls -ld /quickstart /quickstart/reverse.zone; unbound -d -p -v"]
    healthcheck:
      test: netstat -nlu | grep '172.28.1.30:53 '
      interval: 1s
      timeout: 1s
      retries: 10
    networks:
      mailnet1:
        ipv4_address: 172.28.1.30

  # pebble is a small acme server useful for testing. It creates a new CA
  # certificate each time it starts, so we go through some trouble to configure the
  # certificate in moxacmepebble and moxmail2.
  acmepebble:
    hostname: acmepebble.example
    image: docker.io/letsencrypt/pebble:v2.3.1@sha256:fc5a537bf8fbc7cc63aa24ec3142283aa9b6ba54529f86eb8ff31fbde7c5b258
    volumes:
      - ./testdata/quickstart/resolv.conf:/etc/resolv.conf
      - ./testdata/quickstart:/quickstart
    command: ["sh", "-c", "set -ex; mount; ls -l /etc/resolv.conf; chmod o+r /etc/resolv.conf; pebble -config /quickstart/pebble-config.json"]
    ports:
      - 14000:14000  # ACME port
      - 15000:15000  # Management port
    healthcheck:
      test: netstat -nlt | grep ':14000 '
      interval: 1s
      timeout: 1s
      retries: 10
    depends_on:
      dns:
        condition: service_healthy
    networks:
      mailnet1:
        ipv4_address: 172.28.1.40

networks:
  mailnet1:
    driver: bridge
    ipam:
      driver: default
      config:
        - subnet: "172.28.1.0/24"