Container

A “computer in a box”, isolated from the rest of the system. What breaks there doesn’t touch your real files.

You’ll also find it as: containers, devcontainer

How it appears in the course

The rules for commands are not a perfect cage. For total freedom, use a container.
Key takeaways · Module 03, Permissions: what Claude may do
Use bypassPermissions (the “no questions at all” mode) only in a throwaway container, with no secrets. A container is like an isolated room, which you throw away after use.
How do you stay safe when Claude works on its own? · Module 10, Claude on autopilot
You use bypassPermissions (the “no questions at all” mode) only in a container: an “isolated room” with no access to secrets.
The safety checklist · Module 11, Pro tips

Where you learn it

In module 03 · Permissions: what Claude may do, in the Claude Code for Beginners course.

Related terms

.envacceptEditsAllowlistbypassPermissionsDenyEnvironment variable

Learn Claude Code from zero, in plain English

12 modules with 1–2 minute lessons, which you can also do on your phone. The first two modules are free.

Start with the first lessonAll terms