fix more frontmatter keywords values (#439)

* fix format of frontmatter keyword entry in some .md files

Signed-off-by: Gaetan de Villele <gdevillele@gmail.com>

docs/compatibility.md

@@ -1,7 +1,6 @@
 ---
 description: describes get by digest pitfall
-keywords:
+keywords: registry, manifest, images, tags, repository, distribution, digest
-- registry, manifest, images, tags, repository, distribution, digest
 menu:
   main:
     parent: smn_registry_ref

docs/deploying.md

@@ -1,7 +1,6 @@
 ---
 description: Explains how to deploy a registry
-keywords:
+keywords: registry, on-prem, images, tags, repository, distribution, deployment
-- registry, on-prem, images, tags, repository, distribution, deployment
 menu:
   main:
     parent: smn_registry

docs/deprecated.md

@@ -1,7 +1,6 @@
 ---
 description: describes deprecated functionality
-keywords:
+keywords: registry, manifest, images, signatures, repository, distribution, digest
-- registry, manifest, images, signatures, repository, distribution, digest
 menu:
   main:
     parent: smn_registry_ref

docs/garbage-collection.md

@@ -1,7 +1,6 @@
 ---
 description: High level discussion of garbage collection
-keywords:
+keywords: registry, garbage, images, tags, repository, distribution
-- registry, garbage, images, tags, repository, distribution
 menu:
   main:
     parent: smn_registry_ref
@@ -134,4 +133,3 @@ blob eligible for deletion: sha256:87192bdbe00f8f2a62527f36bb4c7c7f4eaf9307e4b87
 blob eligible for deletion: sha256:b549a9959a664038fc35c155a95742cf12297672ca0ae35735ec027d55bf4e97
 blob eligible for deletion: sha256:f251d679a7c61455f06d793e43c06786d7766c88b8c24edf242b2c08e3c3f599
 ```
-

docs/help.md

@@ -1,7 +1,6 @@
 ---
 description: Getting help with the Registry
-keywords:
+keywords: registry, on-prem, images, tags, repository, distribution, help, 101, TL;DR
-- registry, on-prem, images, tags, repository, distribution, help, 101, TL;DR
 menu:
   main:
     parent: smn_registry

docs/index.md

@@ -2,8 +2,7 @@
 aliases:
 - /registry/overview/
 description: High-level overview of the Registry
-keywords:
+keywords: registry, on-prem, images, tags, repository, distribution
-- registry, on-prem, images, tags, repository, distribution
 menu:
   main:
     parent: smn_registry

docs/insecure.md

@@ -1,7 +1,6 @@
 ---
 description: Deploying a Registry in an insecure fashion
-keywords:
+keywords: registry, on-prem, images, tags, repository, distribution, insecure
-- registry, on-prem, images, tags, repository, distribution, insecure
 menu:
   main:
     parent: smn_registry_ref

docs/introduction.md

@@ -1,7 +1,6 @@
 ---
 description: Explains what the Registry is, basic use cases and requirements
-keywords:
+keywords: registry, on-prem, images, tags, repository, distribution, use cases, requirements
-- registry, on-prem, images, tags, repository, distribution, use cases, requirements
 menu:
   main:
     parent: smn_registry

docs/notifications.md

@@ -1,7 +1,7 @@
 ---
 description: Explains how to work with registry notifications
-keywords:
+keywords: registry, on-prem, images, tags, repository, distribution, notifications,
-- registry, on-prem, images, tags, repository, distribution, notifications, advanced
+  advanced
 menu:
   main:
     parent: smn_registry

docs/recipes/apache.md

@@ -1,8 +1,7 @@
 ---
 description: Restricting access to your registry using an apache proxy
-keywords:
+keywords: registry, on-prem, images, tags, repository, distribution, authentication,
-- registry, on-prem, images, tags, repository, distribution, authentication, proxy,
+  proxy, apache, httpd, TLS, recipe, advanced
-  apache, httpd, TLS, recipe, advanced
 menu:
   main:
     parent: smn_recipes

docs/recipes/index.md

@@ -1,7 +1,6 @@
 ---
 description: Fun stuff to do with your registry
-keywords:
+keywords: registry, on-prem, images, tags, repository, distribution, recipes, advanced
-- registry, on-prem, images, tags, repository, distribution, recipes, advanced
 menu:
   main:
     parent: smn_recipes

docs/recipes/mirror.md

@@ -1,8 +1,7 @@
 ---
 description: Setting-up a local mirror for Docker Hub images
-keywords:
+keywords: registry, on-prem, images, tags, repository, distribution, mirror, Hub,
-- registry, on-prem, images, tags, repository, distribution, mirror, Hub, recipe,
+  recipe, advanced
-  advanced
 menu:
   main:
     parent: smn_recipes

docs/recipes/nginx.md

@@ -1,8 +1,7 @@
 ---
 description: Restricting access to your registry using a nginx proxy
-keywords:
+keywords: registry, on-prem, images, tags, repository, distribution, nginx, proxy,
-- registry, on-prem, images, tags, repository, distribution, nginx, proxy, authentication,
+  authentication, TLS, recipe, advanced
-  TLS, recipe, advanced
 menu:
   main:
     parent: smn_recipes

docs/recipes/osx-setup-guide.md

@@ -1,7 +1,7 @@
 ---
 description: Explains how to run a registry on macOS
-keywords:
+keywords: registry, on-prem, images, tags, repository, distribution, macOS, recipe,
-- registry, on-prem, images, tags, repository, distribution, macOS, recipe, advanced
+  advanced
 menu:
   main:
     parent: smn_recipes

docs/storage-drivers/azure.md

@@ -1,7 +1,6 @@
 ---
 description: Explains how to use the Azure storage drivers
-keywords:
+keywords: registry, service, driver, images, storage,  azure
-- registry, service, driver, images, storage,  azure
 menu:
   main:
     parent: smn_storagedrivers

docs/storage-drivers/filesystem.md

@@ -1,7 +1,6 @@
 ---
 description: Explains how to use the filesystem storage drivers
-keywords:
+keywords: registry, service, driver, images, storage,  filesystem
-- registry, service, driver, images, storage,  filesystem
 menu:
   main:
     parent: smn_storagedrivers

docs/storage-drivers/gcs.md

@@ -1,7 +1,6 @@
 ---
 description: Explains how to use the Google Cloud Storage drivers
-keywords:
+keywords: registry, service, driver, images, storage,  gcs, google, cloud
-- registry, service, driver, images, storage,  gcs, google, cloud
 menu:
   main:
     parent: smn_storagedrivers

docs/storage-drivers/index.md

@@ -2,8 +2,8 @@
 aliases:
 - /registry/storagedrivers/
 description: Explains how to use storage drivers
-keywords:
+keywords: registry, on-prem, images, tags, repository, distribution, storage drivers,
-- registry, on-prem, images, tags, repository, distribution, storage drivers, advanced
+  advanced
 menu:
   main:
     identifier: storage_index

docs/storage-drivers/inmemory.md

@@ -1,7 +1,6 @@
 ---
 description: Explains how to use the in-memory storage drivers
-keywords:
+keywords: registry, service, driver, images, storage,  in-memory
-- registry, service, driver, images, storage,  in-memory
 menu:
   main:
     parent: smn_storagedrivers

docs/storage-drivers/oss.md

@@ -1,7 +1,6 @@
 ---
 description: Explains how to use the Aliyun OSS storage driver
-keywords:
+keywords: registry, service, driver, images, storage, OSS, aliyun
-- registry, service, driver, images, storage, OSS, aliyun
 menu:
   main:
     parent: smn_storagedrivers

docs/storage-drivers/s3.md

@@ -1,7 +1,6 @@
 ---
 description: Explains how to use the S3 storage drivers
-keywords:
+keywords: registry, service, driver, images, storage,  S3
-- registry, service, driver, images, storage,  S3
 menu:
   main:
     parent: smn_storagedrivers

docs/storage-drivers/swift.md

@@ -1,7 +1,6 @@
 ---
 description: Explains how to use the OpenStack swift storage driver
-keywords:
+keywords: registry, service, driver, images, storage,  swift
-- registry, service, driver, images, storage,  swift
 menu:
   main:
     parent: smn_storagedrivers