til/Development/Go/Modules.md

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# [Modules](https://github.com/golang/go/wiki/Modules)
First time:
```sh
go mod init
```
Daily workflow:
```sh
# Update modules
go get -d -u ./...
# Add module with chosen commit or version
go get -d public.git.com/path/to/module@version
# Build and intall binary with latest version
go install public.git.com/path/to/module@latest
# Prune no longer used modules
go mod tidy
# Copy modules to local vendor directory (vendor is not recommend anymore)
go mod vendor
# Why use module
go mod why -m public.git.com/path/to/module
```
Update go version:
```sh
go mod edit -go=1.XY
```
In world of corporation, we work with private repository, add to `~/.bashrc`, `~/.zshrc`:
```sh
export GOPRIVATE=private.git.com
```
## Thanks
- https://encore.dev/guide/go.mod