Securing a Go Microservice with JWT
Blog post from FusionAuth
JSON Web Tokens (JWTs) are used to securely share claims or attributes between clients and servers in microservices. This guide illustrates how to implement JWTs in a Golang microservices environment using the open-source jwt-go package. The process involves generating a JWT token with a signing key, using an endpoint to serve the token, and creating a microservice server with middleware for authorization. The middleware validates the JWT to ensure authorized access to microservices, demonstrating the use of JWTs for secure service-to-service communication. The tutorial also covers setting up an API gateway to validate JWTs and protect internal services, with code examples provided to create a protected microservice endpoint. The code is available on GitHub, and further exploration includes using tools like FusionAuth for JWT generation, securing applications with OAuth, and using more advanced signing algorithms.
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