update http://dockr.ly links to use TLS

Signed-off-by: Sebastiaan van Stijn <[email protected]>

_includes/landing-page/community-banner.html

@@ -10,7 +10,7 @@ <h5>
         </h5>
       </div>
       <div class="col-xs-12 col-md-6 col-lg-4 text-center">
-        <a href="http://dockr.ly/slack" class="btn slack-button">
+        <a href="https://dockr.ly/slack" class="btn slack-button">
           <img src="/images/slack-icon.svg" width="56" height="56" alt="slack" />
           Join the community
         </a>

engine/faq.md

@@ -222,7 +222,7 @@ You need to tell Docker to talk to that machine. You can do this with the
 
 You can find more answers on:
 
-- [Docker community Slack channel](http://dockr.ly/slack){: target="_blank" rel="noopener" class="_"}
+- [Docker community Slack channel](https://dockr.ly/slack){: target="_blank" rel="noopener" class="_"}
 - [Docker Support Forums](https://forums.docker.com){: target="_blank" rel="noopener" class="_"}
 - [GitHub](https://github.com/moby/moby){: target="_blank" rel="noopener" class="_"}
 - [Ask questions on Stackoverflow](https://stackoverflow.com/search?q=docker){: target="_blank" rel="noopener" class="_"}

opensource/ways.md

@@ -110,7 +110,7 @@ boost your own well being.
 
 Docker users are people using Docker in their daily work. To help Docker users, visit:
 
-* the [Docker community Slack channel](http://dockr.ly/slack){: target="_blank" rel="noopener" class="_"}
+* the [Docker community Slack channel](https://dockr.ly/slack){: target="_blank" rel="noopener" class="_"}
 * the [Docker Community Forum](https://forums.docker.com/){: target="_blank" rel="noopener" class="_"}
 * [StackOverflow](https://stackoverflow.com/questions/tagged/docker){: target="_blank" rel="noopener" class="_"}
 
@@ -122,7 +122,7 @@ You can also check the lists of [open issues on the Docker docs](https://github.
 Docker contributors are people like you, interested in the open source projects
 and product documentation. Contributors may need help with IRC, Go programming,
 Markdown, or with other aspects of contributing. To help Docker contributors,
-join the [Docker community Slack channel](http://dockr.ly/slack){: target="_blank" rel="noopener" class="_"}.
+join the [Docker community Slack channel](https://dockr.ly/slack){: target="_blank" rel="noopener" class="_"}.
 
 ## Contribute to the Moby open source project
 

registry/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 channel](http://dockr.ly/slack){: target="_blank" rel="noopener" class="_"}
+- on the [Docker community Slack channel](https://dockr.ly/slack){: target="_blank" rel="noopener" class="_"}
 - on the [mailing list](https://groups.google.com/a/dockerproject.org/forum/#!forum/distribution) (mail at <[email protected]>).
 
 If you want to report a bug: