Securing a Go Microservice with JWT

Securing a Go Microservice with JWT

Securing a Go Microservice with JWT. JWT secures the service-to-service communication and also can pass end-user context across microservices. A JWT token can be used to carry the identity of the calling microservice. Implementing the JWT endpoint with a go module.

Securing a Go Microservice with JWT

JSON Web Tokens (JWTs) offer a mechanism to share a set of claims or attributes from client to a server providing microservices in a cryptographically secure way. JWT secures the service-to-service communication and also can pass end-user context across microservices.

A JWT token can be used to carry the identity of the calling microservice, or the identity of the client or the system which initiated the request. It can be used to communicate authorization and validation attributes between multiple clients and servers. Using such attributes secures the microservices and makes sure that only authorized access occurs.

In this post, we are going to explore the role that JWT plays in securing service-to-service communication in an example golang microservices deployment. In the golang programming ecosystem, there is an open source jwt-go package that enables us to generate the JWT token.

First, we are going to use this package to generate the JWT token and create an endpoint API that serves the token. You also could generate the JWT using an auth system such as FusionAuth, but it can be educational to see how JWTs are created at a lower level.

Then, we will be creating the microservice server. There will be an authorization middleware that will execute before access is allowed to the golang microservices. This middleware will take the JWT token and validate it to ensure authorized access to the microservices.

So, let’s get started!

Prerequisites

  • Install  Golang 1.15.8
  • Basic knowledge of JWT based authentication
  • Basic knowledge of golang programming

jwt golang microservices auth

Bootstrap 5 Complete Course with Examples

Bootstrap 5 Tutorial - Bootstrap 5 Crash Course for Beginners

Nest.JS Tutorial for Beginners

Hello Vue 3: A First Look at Vue 3 and the Composition API

Building a simple Applications with Vue 3

Deno Crash Course: Explore Deno and Create a full REST API with Deno

How to Build a Real-time Chat App with Deno and WebSockets

Convert HTML to Markdown Online

HTML entity encoder decoder Online

Introducing Hippo: A Golang Microservices Toolkit

It provides libraries to implement components for service discovery, async jobs, authentication, authorization, caching, metrics, tracing, rate-limiting...etc It all began when I started to build some web services in golang. and everytime I have to create the whole architecture from scratch than solving whatever problem I was trying to solve.

Testing Microservices Applications

In this article, look at different ways to test microservices and how you can have a suitable testing strategy to begin with.

Hire Dedicated Golang Developers | Golang Web Development Company

Hire dedicated GoLang developers from WebClues Infotech to build applications using Go language. Get best GoLang developers for your web development projects.

Microservices and Data Management - DZone Microservices

This article describes the nature of microservices applications, contrasts them with monolithic apps, and talk about microservices in data management.

Microservices and Data Management - DZone Microservices

This article describes the nature of microservices applications, contrasts them with monolithic apps, and talk about microservices in data management.