How to Deploy Go Web Applications on IIS: A Step-by-Step Guide Using HttpPlatformHandler?

Deploying Go Web Applications on IIS

While Go web applications can natively operate on port 8080, deploying them on IIS provides various advantages, such as better security and improved integration with Windows services. To achieve this, developers need to install the HttpPlatformHandler module, a component that bridges the gap between IIS and Go applications.

Unlike previous approaches using reverse proxy or FastCGI, HttpPlatformHandler enables Go applications to leverage IIS directly. It eliminates the need for complex configurations and provides a straightforward integration process.

To configure IIS for Go web applications, developers need to create a web.config file in the application's directory. This file defines the path to the Go executable (go.exe) and the command to run the server (run server.go). They can also specify environment variables, such as GOROOT, to ensure the application has the necessary resources.

It's important to note that the ASP.NET Core module should not be used for deploying Go applications on IIS. Past approaches using this module led to various issues, prompting the development of HttpPlatformHandler as a more robust and optimized solution.

For detailed examples and troubleshooting tips, refer to resources like Stef Heyen's post on deploying Go applications on IIS effectively.

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