Envinator

A simple CLI tool that generates .env.example files from .env files by stripping out sensitive values while preserving the structure and comments.

Installation

cargo install envinator

Usage

# Generate .env.example from .env (default)
envinator

# Specify input and output files
envinator .env.production .env.production.example

# Show help
envinator --help

Example

Given a .env file:

# Database configuration
DATABASE_URL=postgres://user:password@localhost:5432/mydb
DB_HOST=localhost
DB_PORT=5432

# API Keys
API_KEY=sk-1234567890abcdef

Running envinator will generate .env.example:

# Database configuration
DATABASE_URL=
DB_HOST=
DB_PORT=

# API Keys
API_KEY=

Features

• Preserves comments and empty lines
• Strips all values while keeping keys
• Simple and fast
• No external dependencies beyond CLI parsing

License

MIT