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
# 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
# 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
# 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:
just --list
This shows what commands are available without reading documentation.