docker-volume-backup/test/ssh/docker-compose.yml

services:
  ssh:
    image: linuxserver/openssh-server:version-8.6_p1-r3
    environment:
      - PUID=1000
      - PGID=1000
      - USER_NAME=test
    volumes:
      - ${KEY_DIR:-.}/id_rsa.pub:/config/.ssh/authorized_keys
      - ssh_backup_data:/tmp

  backup:
    image: offen/docker-volume-backup:${TEST_VERSION:-canary}
    hostname: hostnametoken
    depends_on:
      - ssh
    restart: always
    environment:
      BACKUP_FILENAME_EXPAND: 'true'
      BACKUP_FILENAME: test-$$HOSTNAME.tar.gz
      BACKUP_CRON_EXPRESSION: 0 0 5 31 2 ?
      BACKUP_RETENTION_DAYS: ${BACKUP_RETENTION_DAYS:-7}
      BACKUP_PRUNING_LEEWAY: 5s
      BACKUP_PRUNING_PREFIX: test
      SSH_HOST_NAME: ssh
      SSH_PORT: 2222
      SSH_USER: test
      SSH_REMOTE_PATH: /tmp
      SSH_IDENTITY_PASSPHRASE: test1234
    volumes:
      - ${KEY_DIR:-.}/id_rsa:/root/.ssh/id_rsa
      - app_data:/backup/app_data:ro
      - /var/run/docker.sock:/var/run/docker.sock

  offen:
    image: offen/offen:latest
    labels:
      - docker-volume-backup.stop-during-backup=true
    volumes:
      - app_data:/var/opt/offen

volumes:
  ssh_backup_data:
    name: ssh_backup_data
  app_data: