Duplicati

Duplicati is a free backup tool for encrypted online backups. It supports many storage destinations and offers space-saving, encrypted backups.

Installation

Add the following template to your docker-compose.yml and then run ei23 dc.

Template

  duplicati:
    image: duplicati/duplicati:latest
    container_name: duplicati
    hostname: HomePi
    ports:
      - "8200:8200"
    restart: unless-stopped
    environment:
      - PUID=1000
      - PGID=1000
      - TZ=Europe/Berlin
    volumes:
      - ./volumes/duplicati/appdata/config:/config
      - ./volumes/duplicati/backups:/backups
      - ./volumes/duplicati/source:/source

First Start

1. After starting, access Duplicati at http://[IP]:8200
2. Set a password (optional but recommended)
3. Create your first backup job

Create Backup

1. Click Add backup → Configure a new backup
2. Enter name and description
3. Set an encryption password (don't lose it!)
4. Choose the destination (where to store the backup)
5. Choose the source (what to back up)
6. Configure the schedule
7. Save and start the backup

Backup Destinations

Duplicati supports many destinations:

Backing up ei23 Folder

To back up the ei23 folder:

1. Source: /source (which is ./volumes/duplicati/source)
2. Link ei23 folder:

volumes:
  - ./volumes/duplicati/source:/source
  - /home/user/ei23-docker:/source/ei23-docker:ro

Encryption

Duplicati uses AES-256 encryption:

• AES-256 - Standard, very secure
• GPG - Alternative

Restore

1. Go to Restore → Direct restore
2. Select the backup destination
3. Enter the encryption password
4. Select files or everything
5. Start the restore

Notes

• Admin interface on port 8200
• Configuration in ./volumes/duplicati/appdata/config/
• Backups in ./volumes/duplicati/backups/
• Source files in ./volumes/duplicati/source/
• Duplicati automatically compresses and deduplicates backups

Further Information

• Official Website
• GitHub Repository
• Documentation