Format configuration.md with code fences to avoid render issues
Signed-off-by: Joao Fernandes <joao.fernandes@docker.com>pull/2103/head
Joao Fernandes
parent
923c7763b0
commit
a24f2a6d78
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@ -17,13 +17,17 @@ To override a configuration option, create an environment variable named
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and the `_` (underscore) represents indention levels. For example, you can
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configure the `rootdirectory` of the `filesystem` storage backend:
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```
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storage:
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filesystem:
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rootdirectory: /var/lib/registry
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```
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To override this value, set an environment variable like this:
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```
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REGISTRY_STORAGE_FILESYSTEM_ROOTDIRECTORY=/somewhere
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```
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This variable overrides the `/var/lib/registry` value to the `/somewhere`
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directory.
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@ -36,9 +40,11 @@ If the default configuration is not a sound basis for your usage, or if you are
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Typically, create a new configuration file from scratch, and call it `config.yml`, then:
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```
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docker run -d -p 5000:5000 --restart=always --name registry \
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-v `pwd`/config.yml:/etc/docker/registry/config.yml \
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registry:2
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```
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You can (and probably should) use [this as a starting point](https://github.com/docker/distribution/blob/master/cmd/registry/config-example.yml).
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@ -48,6 +54,7 @@ This section lists all the registry configuration options. Some options in
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the list are mutually exclusive. So, make sure to read the detailed reference
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information about each option that appears later in this page.
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```
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version: 0.1
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log:
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accesslog:
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@ -257,6 +264,7 @@ information about each option that appears later in this page.
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- ^https?://([^/]+\.)*example\.com/
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deny:
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- ^https?://www\.example\.com/
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```
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In some instances a configuration option is **optional** but it contains child
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options marked as **required**. This indicates that you can omit the parent with
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@ -265,7 +273,9 @@ the children marked **required**.
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## version
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```
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version: 0.1
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```
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The `version` option is **required**. It specifies the configuration's version.
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It is expected to remain a top-level field, to allow for a consistent version
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@ -277,6 +287,7 @@ The `log` subsection configures the behavior of the logging system. The logging
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system outputs everything to stdout. You can adjust the granularity and format
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with this configuration section.
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```
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log:
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accesslog:
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disabled: true
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@ -285,6 +296,7 @@ with this configuration section.
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fields:
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service: registry
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environment: staging
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```
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<table>
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<tr>
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@ -335,8 +347,10 @@ with this configuration section.
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### accesslog
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```
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accesslog:
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disabled: true
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```
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Within `log`, `accesslog` configures the behavior of the access logging
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system. By default, the access logging system outputs to stdout in
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@ -345,6 +359,7 @@ Access logging can be disabled by setting the boolean flag `disabled` to `true`.
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## hooks
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```
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hooks:
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- type: mail
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levels:
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@ -358,6 +373,7 @@ Access logging can be disabled by setting the boolean flag `disabled` to `true`.
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from: name@sendhost.com
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to:
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- name@receivehost.com
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```
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The `hooks` subsection configures the logging hooks' behavior. This subsection
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includes a sequence handler which you can use for sending mail, for example.
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@ -367,13 +383,16 @@ Refer to `loglevel` to configure the level of messages printed.
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> **DEPRECATED:** Please use [log](#log) instead.
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```
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loglevel: debug
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```
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Permitted values are `error`, `warn`, `info` and `debug`. The default is
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`info`.
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## storage
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```
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storage:
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filesystem:
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rootdirectory: /var/lib/registry
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@ -436,12 +455,13 @@ Permitted values are `error`, `warn`, `info` and `debug`. The default is
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dryrun: false
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redirect:
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disable: false
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```
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The storage option is **required** and defines which storage backend is in use.
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You must configure one backend; if you configure more, the registry returns an error. You can choose any of these backend storage drivers:
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| Storage driver | Description
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| ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
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| Storage driver | Description |
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|:--------------------|:-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| `filesystem` | Uses the local disk to store registry files. It is ideal for development and may be appropriate for some small-scale production applications. See the [driver's reference documentation](https://github.com/docker/docker.github.io/tree/master/registry/storage-drivers/filesystem.md). |
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| `azure` | Uses Microsoft's Azure Blob Storage. See the [driver's reference documentation](https://github.com/docker/docker.github.io/tree/master/registry/storage-drivers/azure.md). |
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| `gcs` | Uses Google Cloud Storage. See the [driver's reference documentation](https://github.com/docker/docker.github.io/tree/master/registry/storage-drivers/gcs.md). |
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@ -460,7 +480,9 @@ backing data-store. If you do use a Windows volume, you must ensure that the
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`PATH` to the mount point is within Windows' `MAX_PATH` limits (typically 255
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characters). Failure to do so can result in the following error message:
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```
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mkdir /XXX protocol error and your registry will not function properly.
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```
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### Maintenance
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@ -476,12 +498,12 @@ configure upload directory purging, the following parameters
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must be set.
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| Parameter | Required | Description
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--------- | -------- | -----------
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`enabled` | yes | Set to true to enable upload purging. Default=true. |
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`age` | yes | Upload directories which are older than this age will be deleted. Default=168h (1 week)
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`interval` | yes | The interval between upload directory purging. Default=24h.
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`dryrun` | yes | dryrun can be set to true to obtain a summary of what directories will be deleted. Default=false.
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| Parameter | Required | Description |
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|:-----------|:---------|:---------------------------------------------------------------------------------------------------|
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| `enabled` | yes | Set to true to enable upload purging. Default=true. |
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| `age` | yes | Upload directories which are older than this age will be deleted. Default=168h (1 week) |
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| `interval` | yes | The interval between upload directory purging. Default=24h. |
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| `dryrun` | yes | dryrun can be set to true to obtain a summary of what directories will be deleted. Default=false. |
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Note: `age` and `interval` are strings containing a number with optional fraction and a unit suffix: e.g. 45m, 2h10m, 168h (1 week).
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@ -501,8 +523,10 @@ Use the `delete` subsection to enable the deletion of image blobs and manifests
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by digest. It defaults to false, but it can be enabled by writing the following
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on the configuration file:
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```
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delete:
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enabled: true
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```
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### cache
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@ -530,12 +554,14 @@ doing aggressive caching.
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Redirects can be disabled by adding a single flag `disable`, set to `true`
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under the `redirect` section:
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```
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redirect:
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disable: true
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```
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## auth
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```
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auth:
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silly:
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realm: silly-realm
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@ -548,6 +574,7 @@ under the `redirect` section:
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htpasswd:
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realm: basic-realm
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path: /path/to/htpasswd
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```
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The `auth` option is **optional**. There are
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currently 3 possible auth providers, `silly`, `token` and `htpasswd`. You can configure only
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@ -712,6 +739,7 @@ object they're wrapping. This means a registry middleware must implement the
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An example configuration of the `cloudfront` middleware, a storage middleware:
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```
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middleware:
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registry:
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- name: ARegistryMiddleware
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@ -728,6 +756,7 @@ An example configuration of the `cloudfront` middleware, a storage middleware:
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privatekey: /path/to/pem
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keypairid: cloudfrontkeypairid
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duration: 3000s
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```
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Each middleware entry has `name` and `options` entries. The `name` must
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correspond to the name under which the middleware registers itself. The
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@ -798,11 +827,12 @@ storage middleware can be used to specify a custom URL to a location
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of a proxy for the layer stored by the S3 storage driver.
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| Parameter | Required | Description |
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| --- | --- | --- |
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|:----------|:---------|:------------------------------------------------------------------------------------------------------------|
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| baseurl | yes | `SCHEME://HOST` at which layers are served. Can also contain port. For example, `https://example.com:5443`. |
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## reporting
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```
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reporting:
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bugsnag:
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apikey: bugsnagapikey
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@ -812,6 +842,7 @@ of a proxy for the layer stored by the S3 storage driver.
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licensekey: newreliclicensekey
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name: newrelicname
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verbose: true
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```
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The `reporting` option is **optional** and configures error and metrics
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reporting tools. At the moment only two services are supported, [New
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@ -909,6 +940,7 @@ configuration may contain both.
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## http
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```
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http:
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addr: localhost:5000
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net: tcp
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@ -931,6 +963,7 @@ configuration may contain both.
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X-Content-Type-Options: [nosniff]
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http2:
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disabled: false
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```
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The `http` option details the configuration for the HTTP server that hosts the registry.
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@ -1164,6 +1197,7 @@ settings for the registry.
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## notifications
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```
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notifications:
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endpoints:
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- name: alistener
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@ -1175,6 +1209,7 @@ settings for the registry.
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backoff: 1000
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ignoredmediatypes:
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- application/octet-stream
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```
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The notifications option is **optional** and currently may contain a single
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option, `endpoints`.
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@ -1306,6 +1341,7 @@ The URL to which events should be published.
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## redis
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```
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redis:
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addr: localhost:6379
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password: asecret
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@ -1317,6 +1353,7 @@ The URL to which events should be published.
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maxidle: 16
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maxactive: 64
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idletimeout: 300s
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```
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Declare parameters for constructing the redis connections. Registry instances
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may use the Redis instance for several applications. The current purpose is
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@ -1404,10 +1441,12 @@ as the registry does not set an expire value on keys.
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### pool
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```
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pool:
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maxidle: 16
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maxactive: 64
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idletimeout: 300s
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```
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Configure the behavior of the Redis connection pool.
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@ -1456,6 +1495,7 @@ Configure the behavior of the Redis connection pool.
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## health
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```
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health:
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storagedriver:
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enabled: true
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@ -1477,6 +1517,7 @@ Configure the behavior of the Redis connection pool.
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timeout: 3s
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interval: 10s
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threshold: 3
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```
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The health option is **optional**. It may contain preferences for a periodic
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health check on the storage driver's backend storage, and optional periodic
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@ -1785,10 +1826,12 @@ The TCP address to connect to, including a port number.
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## Proxy
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```
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proxy:
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remoteurl: https://registry-1.docker.io
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username: [username]
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password: [password]
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```
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Proxy enables a registry to be configured as a pull through cache to the official Docker Hub. See [mirror](https://github.com/docker/docker.github.io/tree/master/registry/recipes/mirror.md) for more information. Pushing to a registry configured as a pull through cache is currently unsupported.
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@ -1837,9 +1880,11 @@ To enable pulling private repositories (e.g. `batman/robin`) a username and pass
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## Compatibility
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```
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compatibility:
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schema1:
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signingkeyfile: /etc/registry/key.json
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```
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Configure handling of older and deprecated features. Each subsection
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defines such a feature with configurable behavior.
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@ -1869,6 +1914,7 @@ defines such a feature with configurable behavior.
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## Validation
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```
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validation:
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manifests:
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urls:
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@ -1876,6 +1922,7 @@ defines such a feature with configurable behavior.
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- ^https?://([^/]+\.)*example\.com/
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deny:
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- ^https?://www\.example\.com/
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```
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### disabled
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@ -1905,6 +1952,7 @@ one of the `allow` regular expressions and one of the following holds:
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The following is a simple example you can use for local development:
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```
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version: 0.1
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log:
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level: debug
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@ -1916,6 +1964,7 @@ The following is a simple example you can use for local development:
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secret: asecretforlocaldevelopment
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debug:
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addr: localhost:5001
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```
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The above configures the registry instance to run on port `5000`, binding to
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`localhost`, with the `debug` server enabled. Registry data storage is in the
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@ -1947,7 +1996,7 @@ conjunction with the S3 storage driver.
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<td>The storage middleware name. Currently <code>cloudfront</code> is an accepted value.</td>
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</tr>
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<tr>
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<td><code>disabled<code></td>
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<td><code>disabled</code></td>
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<td>Set to <code>false</code> to easily disable the middleware.</td>
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</tr>
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<tr>
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@ -1966,6 +2015,7 @@ conjunction with the S3 storage driver.
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The following example illustrates these values:
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```
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middleware:
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storage:
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- name: cloudfront
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@ -1975,7 +2025,7 @@ The following example illustrates these values:
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privatekey: /path/to/asecret.pem
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keypairid: asecret
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duration: 60
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```
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>**Note**: Cloudfront keys exist separately to other AWS keys. See
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>[the documentation on AWS credentials](http://docs.aws.amazon.com/general/latest/gr/aws-security-credentials.html)
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