Strict POSIX cron: Builder & Parser

A minimal strict POSIX cron builder and parser.

Getting started

• Install dependencies:
  • pnpm install
• Start dev server:
  • pnpm dev
  • The app runs on http://localhost:5173 by default.

Production build and run (without Docker)

• Build: pnpm build
• Start: pnpm start
  • This launches the SvelteKit Node server (default PORT=3000, HOST=0.0.0.0)

Docker

• Build the image:
  • docker build -t cron-builder-parser:latest .

• Run the container:

  docker run -d --name cron-builder-parser -p 8080:3000 --env PORT=3000 --env HOST=0.0.0.0 cron-builder-parser:latest
  • Visit http://localhost:8080
• Healthcheck:
  • The image includes a Docker HEALTHCHECK hitting http://127.0.0.1:3000/. Inspect via docker ps.

Configuration

• Environment variables:
  • PORT (default 3000)
  • HOST (default 0.0.0.0)