Configuring dev containers
You can customize the dev container configuration for your repository.
Setting a minimum specification for codespace machines
You can avoid under-resourced machine types being used for GitHub Codespaces for your repository.
Adding features to a devcontainer.json file
With features, you can quickly add tools, runtimes, or libraries to your dev container configuration.
Automatically opening files in the codespaces for a repository
You can set particular files to be opened automatically whenever someone creates a codespace for your repository and opens the codespace in the Visual Studio Code web client.
Specifying recommended secrets for a repository
You can add a setting to your dev container configuration that will prompt people to set specific secrets when they create a codespace.