Upgrade a running instance (remove all volumes)
Shutdown the running container
See section on Safely stopping a running container
Shutdown the running container and remove all linked volumes
NETWORK=mainnet docker-compose down -v
Pulldown latest image, from the project directory, execute
NETWORK=mainnet docker-compose pull
Launch docker-compose
NETWORK=mainnet docker-compose up
Warning: The above procedure removes all volume and recreates at start-up hence a complete resync and restore of the wallet is required