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Dev Container Workflow

This repository ships a single Dev Container for development. Open the project in VS Code (Dev Containers extension) or GitHub Codespaces and use that environment for all work.

What gets created

The devcontainer starts one service named app and exposes:

  • Port 4000: Ruby app
  • Port 4001: Vite dev server

The repo is mounted at /workspace. Bundler gems are cached in a Docker volume to speed up future launches.

Bootstrap

On first open, the Dev Container runs:

make setup

This installs Ruby and frontend dependencies inside the container.

If setup fails due to missing network access (e.g., GitHub DNS), rerun make setup once network access is available.

Common commands (run inside the container)

make dev          # Ruby + Vite
make dev-ruby     # Ruby only
make dev-frontend # frontend only
make test         # Ruby + frontend tests
make ready        # RuboCop + RSpec (pre-commit gate)

Lint and tests

bundle exec rubocop -F
bundle exec rspec

Notes

  • All commands are expected to run inside the Dev Container.
  • The default service command is sleep infinity; use the Make targets above to start servers.