Merge branch 'update-docker-hub-link' into 'master'

Update Docker Hub and Engine links

1. Update all links to Docker Hub.
2. Update or rename Docker with Docker Engine.

See merge request !4083

doc/ci/docker/using_docker_build.md

@@ -41,9 +41,9 @@ GitLab Runner then executes build scripts as `gitlab-runner` user.
       --description "My Runner"
     ```
 
-2. Install Docker on server.
+2. Install Docker Engine on server.
 
-    For more information how to install Docker on different systems checkout the [Supported installations](https://docs.docker.com/installation/).
+    For more information how to install Docker Engine on different systems checkout the [Supported installations](https://docs.docker.com/engine/installation/).
 
 3. Add `gitlab-runner` user to `docker` group:
 
@@ -151,4 +151,4 @@ In order to do that follow the steps:
 An example project using this approach can be found here: https://gitlab.com/gitlab-examples/docker.
 
 [docker-in-docker]: https://blog.docker.com/2013/09/docker-can-now-run-within-docker/
-[docker-cap]: https://docs.docker.com/reference/run/#runtime-privilege-and-linux-capabilities
+[docker-cap]: https://docs.docker.com/engine/reference/run/#runtime-privilege-and-linux-capabilities

doc/ci/docker/using_docker_images.md

@@ -64,7 +64,7 @@ You can see some widely used services examples in the relevant documentation of
 ### How is service linked to the build
 
 To better understand how the container linking works, read
-[Linking containers together](https://docs.docker.com/userguide/dockerlinks/).
+[Linking containers together][linking-containers].
 
 To summarize, if you add `mysql` as service to your application, the image will
 then be used to create a container that is linked to the build container.
@@ -273,7 +273,7 @@ creation.
 [Docker Fundamentals]: https://docs.docker.com/engine/understanding-docker/
 [hub]: https://hub.docker.com/
 [linking-containers]: https://docs.docker.com/engine/userguide/networking/default_network/dockerlinks/
-[tutum/wordpress]: https://registry.hub.docker.com/u/tutum/wordpress/
-[postgres-hub]: https://registry.hub.docker.com/u/library/postgres/
-[mysql-hub]: https://registry.hub.docker.com/u/library/mysql/
+[tutum/wordpress]: https://hub.docker.com/r/tutum/wordpress/
+[postgres-hub]: https://hub.docker.com/r/_/postgres/
+[mysql-hub]: https://hub.docker.com/r/_/mysql/
 [runner-priv-reg]: https://gitlab.com/gitlab-org/gitlab-ci-multi-runner/blob/master/docs/configuration/advanced-configuration.md#using-a-private-docker-registry

doc/ci/examples/php.md

@@ -60,7 +60,7 @@ docker-php-ext-install pdo_mysql
 You might wonder what `docker-php-ext-install` is. In short, it is a script
 provided by the official php docker image that you can use to easilly install
 extensions. For more information read the the documentation at
-<https://hub.docker.com/_/php/>.
+<https://hub.docker.com/r/_/php/>.
 
 Now that we created the script that contains all prerequisites for our build
 environment, let's add it in `.gitlab-ci.yml`:
@@ -92,7 +92,7 @@ Finally, commit your files and push them to GitLab to see your build succeeding
 The final `.gitlab-ci.yml` should look similar to this:
 
 ```yaml
-# Select image from https://hub.docker.com/_/php/
+# Select image from https://hub.docker.com/r/_/php/
 image: php:5.6
 
 before_script:
@@ -278,7 +278,7 @@ that runs on [GitLab.com](https://gitlab.com) using our publicly available
 Want to hack on it? Simply fork it, commit and push  your changes. Within a few
 moments the changes will be picked by a public runner and the build will begin.
 
-[php-hub]: https://hub.docker.com/_/php/
+[php-hub]: https://hub.docker.com/r/_/php/
 [phpenv]: https://github.com/phpenv/phpenv
 [phpenv-installation]: https://github.com/phpenv/phpenv#installation
 [php-example-repo]: https://gitlab.com/gitlab-examples/php

doc/ci/services/mysql.md

@@ -16,7 +16,7 @@ services:
   - mysql:latest
 
 variables:
-  # Configure mysql environment variables (https://hub.docker.com/_/mysql/)
+  # Configure mysql environment variables (https://hub.docker.com/r/_/mysql/)
   MYSQL_DATABASE: el_duderino
   MYSQL_ROOT_PASSWORD: mysql_strong_password
 ```
@@ -114,5 +114,5 @@ available [shared runners](../runners/README.md).
 Want to hack on it? Simply fork it, commit and push  your changes. Within a few
 moments the changes will be picked by a public runner and the build will begin.
 
-[hub-mysql]: https://hub.docker.com/_/mysql/
+[hub-mysql]: https://hub.docker.com/r/_/mysql/
 [mysql-example-repo]: https://gitlab.com/gitlab-examples/mysql

doc/ci/services/postgres.md

@@ -110,5 +110,5 @@ available [shared runners](../runners/README.md).
 Want to hack on it? Simply fork it, commit and push  your changes. Within a few
 moments the changes will be picked by a public runner and the build will begin.
 
-[hub-pg]: https://hub.docker.com/_/postgres/
+[hub-pg]: https://hub.docker.com/r/_/postgres/
 [postgres-example-repo]: https://gitlab.com/gitlab-examples/postgres

doc/ci/services/redis.md

@@ -65,5 +65,5 @@ that runs on [GitLab.com](https://gitlab.com) using our publicly available
 Want to hack on it? Simply fork it, commit and push  your changes. Within a few
 moments the changes will be picked by a public runner and the build will begin.
 
-[hub-redis]: https://hub.docker.com/_/redis/
+[hub-redis]: https://hub.docker.com/r/_/redis/
 [redis-example-repo]: https://gitlab.com/gitlab-examples/redis

docker/README.md

 # GitLab Docker images
 
-* The official GitLab Community Edition Docker image is [available on Docker Hub](https://registry.hub.docker.com/u/gitlab/gitlab-ce/).
-* The official GitLab Enterprise Edition Docker image is [available on Docker Hub](https://registry.hub.docker.com/u/gitlab/gitlab-ee/).
+* The official GitLab Community Edition Docker image is [available on Docker Hub](https://hub.docker.com/r/gitlab/gitlab-ce/).
+* The official GitLab Enterprise Edition Docker image is [available on Docker Hub](https://hub.docker.com/r/gitlab/gitlab-ee/).
 * The complete usage guide can be found in [Using GitLab Docker images](http://doc.gitlab.com/omnibus/docker/)
 * The Dockerfile used for building public images is in [Omnibus Repository](https://gitlab.com/gitlab-org/omnibus-gitlab/tree/master/docker)
-* Check the guide for [creating Omnibus-based Docker Image](http://doc.gitlab.com/omnibus/build/README.html#Build-Docker-image)
+* Check the guide for [creating Omnibus-based Docker Image](http://doc.gitlab.com/omnibus/build/README.html#build-docker-image)