Help Needed: Upgrading Keycloak from v14 to v21 (or Latest) – What Happens to the Database?

[Helen Rai]

Hi everyone,

I’m currently running Keycloak version 14.0.0 in a Docker Compose setup with a PostgreSQL database. I want to upgrade to Keycloak v21 or the latest stable version, and I have a few questions before I move forward.

Questions:

• If I change the Docker image to a newer version (like v21), will Keycloak automatically upgrade the database?

• Is it safe to upgrade directly from v14 to v21, or should I go through intermediate versions (like v16 or v17)?

• Will this upgrade break anything, like my current users, clients, or themes?

I will take a full backup of the database before upgrading, but I want to be sure I’m not missing anything important.

Thanks in advance for your help!

[uday kumar]

Hi Helen,

Questions:

• If I change the Docker image to a newer version (like v21), will Keycloak automatically upgrade the database

•    yes ,it auto upgrade ( update conf file settings is required)

• Is it safe to upgrade directly from v14 to v21, or should I go through intermediate versions (like v16 or v17)?

•    upgraded from 16 to 25 

• Will this upgrade break anything, like my current users, clients, or themes?

•   users and clients  no issues  , themes not sure  i have upgrade to 25 ,in 25 theme folders are not there

Regards,

uday kumar R

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