How Do I Create Optimized Release Binaries in Go?

Creating Release Binaries in Go

In C programming, building debug and release versions of binary files allows for different levels of optimization and debugging information. Go, however, has a different approach.

Go's Approach to Binary Building

Unlike in C, Go does not typically distinguish between debug and release versions. The default build command, go build, includes symbol and debug information in the binary files.

Stripping Symbols and Debug Info

If you need to create a release binary that is smaller and more optimized, you can strip away the symbols and debug information using the -ldflags option:

go build -ldflags "-s -w"

The -s flag disables symbol generation, while the -w flag disables debug information. This results in a leaner and faster binary that is suitable for production deployments.

It's worth noting that stripping symbols and debug information makes it harder to debug the binary later on. Therefore, it is generally recommended to keep the debug info when developing and only strip it for final release builds.

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