Similar to the devcontainers/features repo, this repository has a src folder. Each Feature has its own sub-folder, containing at least a devcontainer-feature.json and an entrypoint script install.sh.
├── src
│ ├── hello
│ │ ├── devcontainer-feature.json
│ │ └── install.sh
| ├── ...
│ │ ├── devcontainer-feature.json
│ │ └── install.sh
...
An implementing tool will composite the documented dev container properties from the feature's devcontainer-feature.json file, and execute in the install.sh entrypoint script in the container during build time. Implementing tools are also free to process attributes under the customizations property as desired.
Features are individually versioned by the version attribute in a Feature's devcontainer-feature.json. Features are versioned according to the semver specification. More details can be found in the dev container Feature specification.