Accessing the Server Environment Variables
Environment variables defined on the Keycloak server can be transferred to the theme. This allows for a degree of theme customization without necessitating a rebuild. This approach is particularly useful if multiple parties are reusing your theme. As an example, you can distribute a single .jar file to multiple customers, enabling them to modify certain aspect of the login page by defining specific environment variables.
Let's define two environnement variable:
We can then access the runtime value of thoses variables under kcContext.properties:
Now let's see how you can set the value of thoses environement variable on the Keycloak side:
To test locally, you can pass the environement variable to the start-keycloak CLI command:
You can also create stories with specific ENV values:
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