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layout, page_title, sidebar_current, description
| layout | page_title | sidebar_current | description |
|---|---|---|---|
| docker | Docker: docker_registry_image | docs-docker-datasource-registry-image | Finds the latest available sha256 digest for a docker image/tag from a registry. |
docker_registry_image
-> Note: The initial (current) version of this data source can reliably read only public images from the official Docker Hub Registry.
Reads the image metadata from a Docker Registry. Used in conjunction with the docker_image resource to keep an image up to date on the latest available version of the tag.
Example Usage
data "docker_registry_image" "ubuntu" {
name = "ubuntu:precise"
}
resource "docker_image" "ubuntu" {
name = "${data.docker_registry_image.ubuntu.name}"
pull_triggers = ["${data.docker_registry_image.ubuntu.sha256_digest}"]
}
Argument Reference
The following arguments are supported:
name- (Required, string) The name of the Docker image, including any tags. e.g.alpine:latest
Attributes Reference
The following attributes are exported in addition to the above configuration:
sha256_digest(string) - The content digest of the image, as stored on the registry.