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Hands-On Enterprise Java Microservices with Eclipse MicroProfile by Scott Stark, Antoine Sabot-Durand, Pavol Loffay, Jeff Mesnil, Heiko W. Rupp, Cesar Saavedra

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Chapter 4

  1. The wire format is not usable in environments that only look at the HTTP status code to determine the HC status.
  2. An MP-HC response can include arbitrary properties using the HealthCheckResponse#withData() methods.
  3. You can create a HealthCheck implementation for each service, and the MP-HC feature will logically combine them to produce an overall status response.
  4. A JWT is a JSON Web Token, a JSON-formatted object that has a header, payload, and signature component.
  5. A claim is a single named value from the JWT payload. 
  6. Anything that can be represented in JSON can be used in a JWT.
  7. The single main step in authenticating a JWT is validating that it is signed via the RS256 algorithm based on a configured public key.
  8. One could look ...

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