infra/compose/git.yml

# Create a secret with:
#
#   openssl rand -hex 20

services:

  docker-in-docker:
    image: code.forgejo.org/oci/docker:dind
    hostname: docker
    privileged: true
    environment:
      DOCKER_TLS_CERTDIR: /certs
      DOCKER_HOST: docker-in-docker
    volumes:
      - ${ROOT_DIR}/docker_certs:/certs

  forgejo:
    image: codeberg.org/forgejo/forgejo:8
    command: >-
      bash -c '
      /bin/s6-svscan /etc/s6 &
      sleep 10 ;
      su -c "forgejo forgejo-cli actions register --secret ${SHARED_SECRET}" git ;
      sleep infinity
      '
    environment:
      FORGEJO__security__INSTALL_LOCK: "true"
      FORGEJO__log__LEVEL: "debug"
      FORGEJO__repository__ENABLE_PUSH_CREATE_USER: "true"
      FORGEJO__repository__DEFAULT_PUSH_CREATE_PRIVATE: "false"
      FORGEJO__repository__DEFAULT_REPO_UNITS: "repo.code,repo.actions"
      FORGEJO__server__ROOT_URL: https://${ROOT_URL}
      FORGEJO__server__SSH_DOMAIN: ${ROOT_URL}
      FORGEJO__server__SSH_PORT: 2222
      FORGEJO__server__START_SSH_SERVER: false

    volumes:
      - ${ROOT_DIR}/forgejo_data:/data
    ports:
      - '8080:3000'
      - '2222:2222'

  runner-register:
    image: code.forgejo.org/forgejo/runner:3.4.1
    links:
      - docker-in-docker
      - forgejo
    environment:
      DOCKER_HOST: tcp://docker-in-docker:2376
    volumes:
      - ${ROOT_DIR}/runner_data:/data
    user: 0:0
    command: >-
      bash -ec '
      while : ; do
        forgejo-runner create-runner-file --connect --instance http://forgejo:3000 --name runner --secret ${SHARED_SECRET} && break ;
        sleep 1 ;
      done ;
      sed -i -e "s|\"labels\": null|\"labels\": [\"docker:docker://code.forgejo.org/oci/alpine:3.18\", \"ubuntu-latest:docker://catthehacker/ubuntu:act-22.04\"]|" .runner ;
      forgejo-runner generate-config > config.yml ;
      sed -i -e "s|network: .*|network: host|" config.yml ;
      sed -i -e "s|^  envs:$$|  envs:\n    DOCKER_HOST: tcp://docker:2376\n    DOCKER_TLS_VERIFY: 1\n    DOCKER_CERT_PATH: /certs/client|" config.yml ;
      sed -i -e "s|^  options:|  options: -v /certs/client:/certs/client|" config.yml ;
      sed -i -e "s|  valid_volumes: \[\]$$|  valid_volumes:\n    - /certs/client|" config.yml ;
      chown -R 1000:1000 /data
      '

  runner-daemon:
    image: code.forgejo.org/forgejo/runner:3.4.1
    links:
      - docker-in-docker
      - forgejo
    environment:
      DOCKER_HOST: tcp://docker:2376
      DOCKER_CERT_PATH: /certs/client
      DOCKER_TLS_VERIFY: "1"
    volumes:
      - ${ROOT_DIR}/runner_data:/data
      - ${ROOT_DIR}/docker_certs:/certs
    command: >-
      bash -c '
      while : ; do test -w .runner && forgejo-runner --config config.yml daemon ; sleep 1 ; done
      '