In a Spring Boot application, how would you secure microservices using OAuth2 and JWT?

  • It's not possible to secure microservices using OAuth2 and JWT in Spring Boot.
  • Secure each microservice individually by implementing OAuth2 and JWT security for each service, and use a centralized authentication server for token validation.
  • Secure microservices individually with OAuth2 and use API keys for JWT-based authentication.
  • Use a single OAuth2 authentication server to issue JWT tokens and secure all microservices with the same token.
In a Spring Boot application, to secure microservices using OAuth2 and JWT, the best practice is to secure each microservice individually. Each microservice should implement OAuth2 and JWT security, and a centralized authentication server can be used for token validation. This approach ensures that each microservice has its own security context and can enforce its own authorization rules. Securing all microservices with a single token is not recommended, as it can lead to security vulnerabilities if one microservice is compromised.
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