doc: markup Docker{,file} as any role

Co-authored-by: Roberto Abdelkader Martínez Pérez <robertomartinezp@gmail.com>

docs/source/concepts/philosophy.rst

@@ -7,7 +7,7 @@ Single Static Binary
 
 - Deployment is then as simple as it gets.
 
-- ``Docker``-friendly.
+- :any:`Docker`-friendly.
 
 
 Shell Agnostic

docs/source/concepts/routes.rst

@@ -79,7 +79,7 @@ which is an incomplete recipe.  It is then completed by the `command` element.
 
 .. note::
 
-   The semantics of this element closely match `Docker`'s ``ENTRYPOINT`` directive.
+   The semantics of this element closely match :any:`Docker`'s ``ENTRYPOINT`` directive.
 
 .. todo::
 
@@ -104,7 +104,7 @@ incantation to be executed:
 
 .. note::
 
-   The semantics of this element closely match `Docker`'s ``COMMAND`` directive.
+   The semantics of this element closely match :any:`Docker`'s ``COMMAND`` directive.
 
 .. todo::
 

docs/source/the_project/install_and_configure.rst

@@ -74,8 +74,8 @@ Note that *Kapow!* leverages *Go modules*, so you can target specific releases:
 Include *Kapow!* in your Container Image
 ----------------------------------------
 
-If you want to include *Kapow!* in a ``Docker`` image, you can add the binary
+If you want to include *Kapow!* in a :any:`Docker` image, you can add the binary
-directly from the releases section.  Below is an example ``Dockerfile`` that
+directly from the releases section.  Below is an example :file:`Dockerfile` that
 includes *Kapow!*.
 
 .. code-block:: dockerfile