How Do I Build Optimized Release Binaries in Go?

Building Release Version Binaries in Go

Unlike languages like C where distinct debug and release versions of binary files can be built, Go follows a different approach. By default, go build includes symbol and debug information in binary files.

Build a Release Version Binary

To create a release version binary without symbols or debug information, use the following command:

go build -ldflags "-s -w"

The -s flag removes symbols from the binary, while -w removes debug information. These options optimize the binary for performance and reduce its size.

For example, to build a release version of the main.go file:

go build -ldflags "-s -w" main.go

This will create a binary file named main without unnecessary symbol or debug information, resulting in a smaller and more efficient executable. Note that this process is often used in production or deployment environments.

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