docker-volume-backup/docs/how-tos/replace-deprecated-backup-from-snapshot.md

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Replace deprecated BACKUP_FROM_SNAPSHOT usage	default	How Tos	17

Replace deprecated BACKUP_FROM_SNAPSHOT usage

Starting with version 2.15.0, the BACKUP_FROM_SNAPSHOT feature has been deprecated. If you need to prepare your sources before the backup is taken, use archive-pre, archive-post and an intermediate volume:

version: '3'

services:
  my_app:
    build: .
    volumes:
      - data:/var/my_app
      - backup:/tmp/backup
    labels:
      - docker-volume-backup.archive-pre=cp -r /var/my_app /tmp/backup/my-app
      - docker-volume-backup.archive-post=rm -rf /tmp/backup/my-app

  backup:
    image: offen/docker-volume-backup:v2
    environment:
      BACKUP_SOURCES: /tmp/backup
    volumes:
      - backup:/backup:ro
      - /var/run/docker.sock:/var/run/docker.sock:ro

volumes:
  data:
  backup: