Concourse extension doesn't recognize URL for "registry_mirror" with a docker-image resource #831
Description
URL for registry_mirror is not recognize URL for a docker-image resource
The extension wrongly reports for registry_mirror: http://docker-dev-virtual.repository.foo.intra
Expecting a 'Map' but found a 'Scalar'vscode-concourse(YamlSchemaProblem)
The documentation about registry_mirror for resource: https://github.com/concourse/docker-image-resource#source-configuration