How to Reduce Binary Size of Go Programs

Reduce Go binary size by stripping debug information, disabling the standard library's embedded test data, and using static linking with the ldflags flag to remove symbol tables and version info.

go build -ldflags="-s -w" -trimpath -o myapp main.go

For further reduction, ensure you are not importing unused packages and consider using go build -a to force a full rebuild if caching is keeping old, larger binaries.

Reducing the binary size of Go programs involves telling the compiler to strip unnecessary data like debug symbols and version strings. Think of it like packing a suitcase: you remove instruction manuals and extra tags so only essential clothes remain, making the bag lighter and easier to carry.