Task Runner
Purpose
Execute project-specific commands using just, a modern command runner that's simpler than make and works cross-platform.
Tools
| Tool | Command | Use For |
|---|---|---|
| just | just | List available recipes |
| just | just test | Run specific recipe |
Usage Examples
Basic Usage
bash# List all available recipes just # Run a recipe just test just build just lint # Run recipe with arguments just deploy production # Run specific recipe from subdirectory just --justfile backend/justfile test
Common justfile Recipes
just# Example justfile # Run tests test: pytest tests/ # Build project build: npm run build # Lint code lint: ruff check . eslint src/ # Start development server dev: npm run dev # Clean build artifacts clean: rm -rf dist/ build/ *.egg-info/ # Deploy to environment deploy env: ./scripts/deploy.sh {{env}}
Discovery
bash# Check if justfile exists just --summary # Show recipe details just --show test # List recipes with descriptions just --list
When to Use
- First check:
justto see available project commands - Running tests:
just test - Building:
just build - Any project-specific task
- Cross-platform command running
Best Practice
Always check for a justfile when entering a new project:
bashjust --list
This shows what commands are available without reading documentation.

