Update the Storyteller server

update_storyteller_server

// log in to the server

// change directory
cd /ubuntu/Storyteller

// Stop the Storyteller server gracefully
sudo docker-compose down
sudo docker volume rm data

// Pull the new images from dockerhub
sudo docker-compose pull

// Start the docker-compose again (this downloads all of the updated images from dockerhub automatically)
sudo docker volume create --name=data
sudo docker-compose up

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TROUBLESHOOTING:
// Kill all docker containers and docker images and try again from scratch:

// Verify that the Storyteller dockers are the only dockers on the server:
sudo docker ps

// If so (should be), kill all docker containers and remove all images and volumes
sudo docker stop $(sudo docker ps -a -q)
sudo docker rm $(sudo docker ps -a -q)
sudo docker rmi $(sudo docker images -q)
sudo docker volume rm $(sudo docker volume ls -qf dangling=true)

// Start the docker-compose again (this downloads all of the updated images from dockerhub automatically)
sudo docker volume create --name=data
sudo docker-compose up