Install envcheck using any of the following methods:

Cargo

cargo install envcheck

Binary Releases

Download pre-built binaries from the GitHub Releases page:

• Linux (x86_64, aarch64)
• macOS (x86_64, arm64 / Apple Silicon)
• Windows (x86_64)

Homebrew

brew tap envcheck/tap
brew install envcheck

npm

npm install -g @envcheck/cli
# Or use without installing:
npx @envcheck/cli lint .env

Docker

docker pull ghcr.io/envcheck/envcheck:latest
docker run --rm -v $(pwd):/workdir ghcr.io/envcheck/envcheck lint .env

Building from Source

git clone https://github.com/envcheck/envcheck.git
cd envcheck
cargo install --path .

Verify Installation

envcheck --version
envcheck --help

Shell Completions

Enable shell autocompletion:

Bash

envcheck completions bash > /etc/bash_completion.d/envcheck
source /etc/bash_completion.d/envcheck

Zsh

envcheck completions zsh > ~/.zfunc/_envcheck

Add to ~/.zshrc:

fpath=(~/.zfunc $fpath)
autoload -U compinit && compinit

Fish

envcheck completions fish > ~/.config/fish/completions/envcheck.fish

PowerShell

envcheck completions powershell | Out-File -Encoding UTF8 envcheck.ps1
# Then add to your PowerShell profile