terraform-provider-docker/website/docs/r/image.html.markdown
2020-10-07 20:06:13 +02:00

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---
layout: "docker"
page_title: "Docker: docker_image"
sidebar_current: "docs-docker-resource-image"
description: |-
Pulls a Docker image to a given Docker host.
---
# docker\_image
Pulls a Docker image to a given Docker host from a Docker Registry.
This resource will *not* pull new layers of the image automatically unless used in
conjunction with [`docker_registry_image`](/docs/providers/docker/d/registry_image.html)
data source to update the `pull_triggers` field.
## Example Usage
```hcl
# Find the latest Ubuntu precise image.
resource "docker_image" "ubuntu" {
name = "ubuntu:precise"
}
# Access it somewhere else with ${docker_image.ubuntu.latest}
```
### Dynamic image
```hcl
data "docker_registry_image" "ubuntu" {
name = "ubuntu:precise"
}
resource "docker_image" "ubuntu" {
name = "${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 or SHA256 repo digests.
* `keep_locally` - (Optional, boolean) If true, then the Docker image won't be
deleted on destroy operation. If this is false, it will delete the image from
the docker local storage on destroy operation.
* `pull_triggers` - (Optional, list of strings) List of values which cause an
image pull when changed. This is used to store the image digest from the
registry when using the `docker_registry_image` [data source](/docs/providers/docker/d/registry_image.html)
to trigger an image update.
* `pull_trigger` - **Deprecated**, use `pull_triggers` instead.
* `build` - (Optional, block) See [Build](#build-1) below for details.
<a id="build-1"></a>
### Build
Build image.
The `build` block supports:
* `path` - (Required, string)
* `dockerfile` - (Optional, string) default Dockerfile
* `tag` - (Optional, list of strings)
* `force_remove` - (Optional, boolean)
* `remove` - (Optional, boolean) default true
* `no_cache` - (Optional, boolean)
* `target` - (Optional, string)
* `build_arg` - (Optional, map of strings)
* `label` - (Optional, map of strings)
## Attributes Reference
The following attributes are exported in addition to the above configuration:
* `latest` (string) - The ID of the image.