What Is Development Container Feature?
A shareable unit of installation code and configuration for Dev Containers.
Definition
A shareable unit of installation code and configuration for Dev Containers.
Features allow developers to add tools, runtimes, or libraries (e.g., Node.js, Docker-in-Docker, AWS CLI) to any devcontainer.json with a single line, without writing custom Dockerfiles. Published to OCI registries for versioned distribution.
Where This Fits
This term is covered in depth on Advanced DevContainers.
Advanced DevContainer guide: DevContainer features, multi-container Docker Compose, performance optimization, enterprise base images, and private registries.