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Updating Pangolin is straightforward since it’s a collection of Docker images. Simply pull the latest images and restart the stack. Migration scripts run automatically to update your database and configuration files when needed.

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Before You Update

Always backup your data before updating. Copy your config directory to a safe location so you can roll back if needed.
Recommended: Update incrementally between major versions. For example, update from 1.0.0 → 1.1.0 → 1.2.0 instead of jumping directly from 1.0.0 → 1.2.0.

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Update Process

1

Stop the stack

Stop all running containers:
sudo docker compose down
2

Check latest versions

Find the latest version numbers:
Look for the latest stable release (not pre-release or beta versions).
3

Update version numbers

Edit your docker-compose.yml file and update the image versions:
docker-compose.yml
services:
  pangolin:
      image: fosrl/pangolin:1.7.3  # Update to latest version
      # ... rest of config

  gerbil:
      image: fosrl/gerbil:1.2.1   # Update to latest version
      # ... rest of config
  
    traefik:
      image: traefik:v3.4.0       # Update if needed
      # ... rest of config
Increase the Badger version number in config/traefik/traefik_config.yml:
traefik_config.yml
experimental:
  plugins:
    badger:
      moduleName: github.com/fosrl/badger
      version: v1.2.0 # Update to latest version
Update each service you want to upgrade. You can update them individually or all at once.
4

Pull new images

Download the updated Docker images:
sudo docker compose pull
5

Start the stack

Start the updated containers:
sudo docker compose up -d
6

Monitor the update

Watch the logs to ensure everything starts correctly:
sudo docker compose logs -f
7

Verify functionality

Test that everything is working:
  1. Access your Pangolin dashboard
  2. Check that all sites are accessible
  3. Verify tunnel connections (if using Gerbil)
  4. Test any custom configurations
If everything works, your update is complete!