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Go CLI Cobra

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by Community

Teaches building command-line applications in Go using Cobra for commands and Viper for configuration. Covers subcommands, persistent flags, configuration file handling, shell completions, and packaging for distribution.

goclicobravipercommand-line

Go CLI Cobra

Build professional command-line applications in Go with Cobra commands and Viper configuration.

Usage

Describe your CLI tool requirements and get a structured Cobra implementation guide.

Examples

  • "Set up a Cobra CLI with subcommands and global flags"
  • "Add Viper config file support to my Go CLI"
  • "How do I generate shell completions with Cobra?"

Guidelines

  • Use Cobra for command structure and Viper for config management
  • Show proper command hierarchy with persistent and local flags
  • Cover configuration precedence: flags > env > config file > defaults
  • Include shell completion generation for bash, zsh, and fish
  • Explain testing strategies for CLI commands

More Go Development Skills

🔀
Go Concurrency Patterns

Master goroutines, channels, and concurrent patterns in Go.

❌
Go Error Handling

Write idiomatic error handling in Go with wrapping and sentinel errors.

🧱
Go Interface Design

Design small, composable interfaces following Go idioms.

✅
Go Testing Patterns

Write comprehensive tests in Go with table-driven tests and subtests.