with-features

Overview ¶

with-features adds a local devcontainer feature on top of an image- source devcontainer, proves the feature's install.sh ran inside the container, and confirms the feature's containerEnv was applied.

Run:

go run ./examples/with-features

What happens:

1. Creates a temp workspace with devcontainer.json referencing a local feature at ./local-feature.
2. Writes a tiny local feature whose install.sh writes a marker file at /etc/example-feature-marker.
3. Up: the engine fetches the local feature, generates a wrapper Dockerfile, builds dc-go-final-<id>, runs it.
4. Verifies the marker file exists (feature installed) and that $EXAMPLE_FROM_FEATURE is set in the container's environment.
5. Tears it all down.