= Uninstalling the ‘docker-ce’ package before installing the ‘docker-ee’ package will not upgrade Docker Engine CE to Docker Engine EE. It will only remove the existing Docker Engine CE installation and install a new Docker Engine EE installation. This means that any existing containers, images, volumes, networks, and other Docker resources will be lost. To upgrade Docker Engine CE to Docker Engine EE without losing any data, you need to use the migration tool provided by Docker1 or follow the steps described in the Docker documentation2 or other online guides34. References:
1: Migrate to Engine 1.10 | Docker Docs
2: Install Docker Engine | Docker Docs
3: Switching Docker 18.09 Community Edition to Enterprise Engine with no …
4: How to upgrade Docker 18.09 Community Edition to Docker Enterprise 18.09
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