Use https:// for links and examples

Found these using `http://[^lp10\*`<][^o]` (to exclude "localhost" and IP-addresses)

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

docs/help.md

@@ -9,7 +9,7 @@ title: Get help
 If you need help, or just want to chat, you can reach us:
 
 - on the [Docker forums](https://forums.docker.com/c/open-source-projects/opensrcreg).
-- on the [Docker community Slack](https://blog.docker.com/2016/11/introducing-docker-community-directory-docker-community-slack/).
+- on the [Docker community Slack channel](http://dockr.ly/slack){: target="_blank" rel="noopener" class="_"}
 - on the [mailing list](https://groups.google.com/a/dockerproject.org/forum/#!forum/distribution) (mail at <distribution@dockerproject.org>).
 
 If you want to report a bug:

docs/index.md

@@ -12,7 +12,7 @@ title: Docker Registry
 
 The Registry is a stateless, highly scalable server side application that stores
 and lets you distribute Docker images. The Registry is open-source, under the
-permissive [Apache license](http://en.wikipedia.org/wiki/Apache_License).
+permissive [Apache license](https://en.wikipedia.org/wiki/Apache_License).
 
 ## Why use it
 

docs/notifications.md

@@ -172,7 +172,7 @@ Content-Type: application/vnd.docker.distribution.events.v1+json
             "length": 1,
             "digest": "sha256:fea8895f450959fa676bcc1df0611ea93823a735a01205fd8622846041d0c7cf",
             "repository": "library/test",
-            "url": "http://example.com/v2/library/test/manifests/sha256:c3b3692957d439ac1928219a83fac91e7bf96c153725526874673ae1f2023f8d5"
+            "url": "https://example.com/v2/library/test/manifests/sha256:c3b3692957d439ac1928219a83fac91e7bf96c153725526874673ae1f2023f8d5"
          },
          "request": {
             "id": "asdfasdf",
@@ -197,7 +197,7 @@ Content-Type: application/vnd.docker.distribution.events.v1+json
             "length": 2,
             "digest": "sha256:c3b3692957d439ac1928219a83fac91e7bf96c153725526874673ae1f2023f8d5",
             "repository": "library/test",
-            "url": "http://example.com/v2/library/test/blobs/sha256:c3b3692957d439ac1928219a83fac91e7bf96c153725526874673ae1f2023f8d5"
+            "url": "https://example.com/v2/library/test/blobs/sha256:c3b3692957d439ac1928219a83fac91e7bf96c153725526874673ae1f2023f8d5"
          },
          "request": {
             "id": "asdfasdf",
@@ -222,7 +222,7 @@ Content-Type: application/vnd.docker.distribution.events.v1+json
             "length": 3,
             "digest": "sha256:c3b3692957d439ac1928219a83fac91e7bf96c153725526874673ae1f2023f8d5",
             "repository": "library/test",
-            "url": "http://example.com/v2/library/test/blobs/sha256:c3b3692957d439ac1928219a83fac91e7bf96c153725526874673ae1f2023f8d5"
+            "url": "https://example.com/v2/library/test/blobs/sha256:c3b3692957d439ac1928219a83fac91e7bf96c153725526874673ae1f2023f8d5"
          },
          "request": {
             "id": "asdfasdf",

docs/storage-drivers/azure.md

@@ -6,7 +6,7 @@ title: Microsoft Azure storage driver
 
 {% include registry.md %}
 
-An implementation of the `storagedriver.StorageDriver` interface which uses [Microsoft Azure Blob Storage](http://azure.microsoft.com/en-us/services/storage/) for object storage.
+An implementation of the `storagedriver.StorageDriver` interface which uses [Microsoft Azure Blob Storage](https://azure.microsoft.com/en-us/services/storage/) for object storage.
 
 ## Parameters
 
@@ -21,6 +21,6 @@ An implementation of the `storagedriver.StorageDriver` interface which uses [Mic
 ## Related information
 
 * To get information about
-[azure-blob-storage](http://azure.microsoft.com/en-us/services/storage/), visit
+[azure-blob-storage](https://azure.microsoft.com/en-us/services/storage/), visit
 the Microsoft website.
-* You can use Microsoft's [Blob Service REST API](https://msdn.microsoft.com/en-us/library/azure/dd135733.aspx) to [create a storage container](https://msdn.microsoft.com/en-us/library/azure/dd179468.aspx).
+* You can use Microsoft's [Blob Service REST API](https://docs.microsoft.com/en-us/rest/api/storageservices/Blob-Service-REST-API) to [create a storage container](https://docs.microsoft.com/en-us/rest/api/storageservices/Create-Container).

docs/storage-drivers/filesystem.md

@@ -13,7 +13,7 @@ An implementation of the `storagedriver.StorageDriver` interface which uses the
 * `rootdirectory`: (optional) The absolute path to a root directory tree in which
 to store all registry files. The registry stores all its data here so make sure
 there is adequate space available. Defaults to `/var/lib/registry`. If the directory
-does not exist, it will be created honoring [`umask`](http://man7.org/linux/man-pages/man2/umask.2.html)
+does not exist, it will be created honoring [`umask`](https://man7.org/linux/man-pages/man2/umask.2.html)
 bits. If `umask` bits are not set, the resulting permission will be `0777`.
 * `maxthreads`: (optional) The maximum number of simultaneous blocking filesystem
 operations permitted within the registry. Each operation spawns a new thread and

docs/storage-drivers/index.md

@@ -17,8 +17,8 @@ This storage driver package comes bundled with several drivers:
 - [inmemory](inmemory.md): A temporary storage driver using a local inmemory map. This exists solely for reference and testing.
 - [filesystem](filesystem.md): A local storage driver configured to use a directory tree in the local filesystem.
 - [s3](s3.md): A driver storing objects in an Amazon Simple Storage Service (S3) bucket.
-- [azure](azure.md): A driver storing objects in [Microsoft Azure Blob Storage](http://azure.microsoft.com/en-us/services/storage/).
-- [swift](swift.md): A driver storing objects in [Openstack Swift](http://docs.openstack.org/developer/swift/).
+- [azure](azure.md): A driver storing objects in [Microsoft Azure Blob Storage](https://azure.microsoft.com/en-us/services/storage/).
+- [swift](swift.md): A driver storing objects in [Openstack Swift](https://docs.openstack.org/swift/latest/).
 - [oss](oss.md): A driver storing objects in [Aliyun OSS](http://www.aliyun.com/product/oss).
 - [gcs](gcs.md): A driver storing objects in a [Google Cloud Storage](https://cloud.google.com/storage/) bucket.