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  • Gabriel Daleson thinks this is interesting:

Specify the --Ddebug=true flag when the application starts up, and Spring Boot will print out the Debug Report, showing you all the conditions that have been evaluated and whether they’re a positive or negative match. From there, it’s easy to examine what’s happening in the relevant auto-configuration class to ascertain its behavior.

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Cover of Cloud Native Java

Note

This is probably going to save somebody's bacon at some point.