Grokking Spring Boot
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Health, Liveness and Readiness

Can one service be down and up at the same moment? These three answers came from one instance of the booking service, a second apart:

GET /actuator/health            503  {"groups":["liveness","readiness"],"status":"DOWN"}
GET /actuator/health/liveness   200  {"status":"UP"}
GET /actuator/health/readiness  200  {"status":"UP"}

We had pointed the service at a payment provider address where nothing was listening. None of the three answers is wrong. Each path asks a different question, and a platform that runs the service acts on each answer in a different way.

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