Docker Registry HTTP API support

Docker Registry has an HTTP interface to interact with Docker Engine. This is used to manage information about Docker images and enable their distribution.

The key update from V1 is the set of changes in the Docker image format and concept of signed manifest. The new, self-contained image manifest simplifies image definition and improves security. This specification will build on that work, leveraging new properties of the manifest format to improve performance, reduce bandwidth usage, and decrease the likelihood of backend corruption.

The complete documentation of the Docker Registry V2 APIs can be found here:
https://github.com/docker/distribution/blob/master/docs/spec/api.md.

The important APIs are discussed here:

• API version check:

GET /v2/: This API provides version support information based on its response statuses.

Here is the curl command to check the Docker Registry API...