How to update the Pgadmin4 docker image without losing any the user's information in the folder/var/lib/pgadmin?
Pull the latest docker image
sudo docker pull dpage/pgadmin4
Stop the running container
sudo docker stop pgadmin
Remove existing container
sudo docker rm pgadmin
Deploy/Run the latest images
sudo docker run --name pgadmin -p 80:80 -v /var/lib/pgadmin:/var/lib/pgadmin -e 'PGADMIN_DEFAULT_EMAIL=m.thirumal@hotmail.com' -e 'PGADMIN_DEFAULT_PASSWORD=thirumal' -d dpage/pgadmin4
or the below command for reverse proxy with ngnix
sudo docker run --name pgadmin -p 5050:80 -v /var/lib/pgadmin:/var/lib/pgadmin -e 'PGADMIN_DEFAULT_EMAIL=m.thirumal@hotmail.com' -e 'PGADMIN_DEFAULT_PASSWORD=thirumal' -d dpage/pgadmin4
To start the docker container
`sudo docker start pgadmin`
The choosen answer is correct, but if you doesn't have any volume for your starting image yet you also have to do:
sudo docker cp name_of_your_image:/var/lib/pgadmin /var/lib/pgadmin
and
sudo chown -R 5050:5050 /var/lib/pgadmin