# Go middleware functions

Published articles for Go middleware functions.

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## Ep. 10: Building Secure Go Systems: Key Management, Middleware, and Error Handling

DevFeed: [Ep. 10: Building Secure Go Systems: Key Management, Middleware, and Error Handling](<https://devfeed.tech/articles/ep-10-building-secure-go-systems-key-management-middleware-and-error-handling-22247.md>)

Original publisher: [Read original article](<https://www.ardanlabs.com/blog/2024/07/building-secure-go-systems-key-management-middleware-and-error-handling-ep-10.html>)

Published: 2024-07-23T00:00:00Z

Content type: tutorial

Language: en

Sources: [William Kennedy](<https://devfeed.tech/sources/william-kennedy.md>)

Topics: [Go Language](<https://devfeed.tech/topics/go-language.md>), [Authentication](<https://devfeed.tech/topics/authentication.md>), [Authorization](<https://devfeed.tech/topics/authorization.md>), [Access Control](<https://devfeed.tech/topics/access-control.md>), [Security](<https://devfeed.tech/topics/security.md>), [Software Engineering](<https://devfeed.tech/topics/software-engineering.md>)

Tags: [access-control](<https://devfeed.tech/tags/access-control.md>), [authentication](<https://devfeed.tech/tags/authentication.md>), [authentication-in-go](<https://devfeed.tech/tags/authentication-in-go.md>), [authentication-middleware-go](<https://devfeed.tech/tags/authentication-middleware-go.md>), [authorization](<https://devfeed.tech/tags/authorization.md>), [authorization-in-go](<https://devfeed.tech/tags/authorization-in-go.md>), [authorization-middleware-go](<https://devfeed.tech/tags/authorization-middleware-go.md>), [best-practices-for-go-security](<https://devfeed.tech/tags/best-practices-for-go-security.md>), [building-secure-go-systems](<https://devfeed.tech/tags/building-secure-go-systems.md>), [centralized-error-handling-go](<https://devfeed.tech/tags/centralized-error-handling-go.md>), [context](<https://devfeed.tech/tags/context.md>), [context-management-go](<https://devfeed.tech/tags/context-management-go.md>), [cryptographic](<https://devfeed.tech/tags/cryptographic.md>), [cryptographic-keys-go](<https://devfeed.tech/tags/cryptographic-keys-go.md>), [docker-deployment-go-security](<https://devfeed.tech/tags/docker-deployment-go-security.md>), [error-handling](<https://devfeed.tech/tags/error-handling.md>), [go](<https://devfeed.tech/tags/go.md>), [go-application-security](<https://devfeed.tech/tags/go-application-security.md>), [go-authentication-and-authorization](<https://devfeed.tech/tags/go-authentication-and-authorization.md>), [go-authentication-strategies](<https://devfeed.tech/tags/go-authentication-strategies.md>), [go-authorization-strategies](<https://devfeed.tech/tags/go-authorization-strategies.md>), [go-error-handling-best-practices](<https://devfeed.tech/tags/go-error-handling-best-practices.md>), [go-error-management](<https://devfeed.tech/tags/go-error-management.md>), [go-key-management](<https://devfeed.tech/tags/go-key-management.md>), [go-middleware-functions](<https://devfeed.tech/tags/go-middleware-functions.md>), [go-request-handling-pipeline](<https://devfeed.tech/tags/go-request-handling-pipeline.md>), [go-software-security](<https://devfeed.tech/tags/go-software-security.md>), [go-token-handling](<https://devfeed.tech/tags/go-token-handling.md>), [keystore-integration-go](<https://devfeed.tech/tags/keystore-integration-go.md>), [managing-cryptographic-keys-in-go](<https://devfeed.tech/tags/managing-cryptographic-keys-in-go.md>), [middleware](<https://devfeed.tech/tags/middleware.md>), [middleware-in-go-applications](<https://devfeed.tech/tags/middleware-in-go-applications.md>), [role-based-access-control-go](<https://devfeed.tech/tags/role-based-access-control-go.md>), [secure-go-applications](<https://devfeed.tech/tags/secure-go-applications.md>), [secure-go-deployment](<https://devfeed.tech/tags/secure-go-deployment.md>), [secure-go-systems](<https://devfeed.tech/tags/secure-go-systems.md>), [token-parsing-go](<https://devfeed.tech/tags/token-parsing-go.md>), [user-id-extraction-go](<https://devfeed.tech/tags/user-id-extraction-go.md>)

### AI overview

Episode 10 of a Go software design series explains how to build secure systems by managing cryptographic keys with a KeyStore, adding authentication and authorization middleware, enforcing role-based access control, and centralizing error handling and request context management.

### Source excerpt

Introduction: Welcome to Episode 10 of our Ultimate Software Design series! In this episode, Bill dives into the integration of authentication and authorization mechanisms within Go packages, providing developers with essential strategies for securing and maintaining their software systems. Learn to configure and manage cryptographic keys using a KeyStore and integrate it into your Go applications. Discover how to create middleware functions for token parsing, user ID extraction, and role-based access control.