Convert the markdown_middleware example to a release

examples/markdown_middleware/Makefile

@@ -0,0 +1,6 @@
+PROJECT = markdown_middleware
+
+DEPS = cowboy
+dep_cowboy = pkg://cowboy master
+
+include ../../erlang.mk

examples/markdown_middleware/README.md

@@ -1,24 +1,25 @@
-Cowboy Middleware
-=================
+Middleware example
+==================
 
-To compile this example you need rebar in your PATH.
+To try this example, you need GNU `make`, `git` and
+[relx](https://github.com/erlware/relx) in your PATH.
 
-Type the following command:
-```
-$ rebar get-deps compile
+To build the example, run the following command:
+
+``` bash
+$ make
 ```
 
-You can then start the Erlang node with the following command:
-```
-./start.sh
+To start the release in the foreground:
+
+``` bash
+$ ./_rel/bin/hello_world_example console
 ```
 
-Cowboy will serve all the files you put in the priv/ directory. If you request
-a .html file that has corresponding .md file that has been modified more
-recently than the .html file, the markdown file will be converted to HTML and
-served by Cowboy.
+Then point your browser at
+[http://localhost:8080/video.html](http://localhost:8080/video.html).
 
-HTML5 Video Example
--------------------
-
-Open http://localhost:8080/video.html in your favorite browser.
+Cowboy will serve all the files you put in the `priv` directory.
+If you request a `.html` file that has a corresponding `.md` file
+that has been modified more recently than the `.html` file, the
+Markdown file will be converted to HTML and served by Cowboy.

examples/markdown_middleware/rebar.config

@@ -1,8 +0,0 @@
-{deps, [
-	{cowboy, ".*",
-		{git, "git://github.com/extend/cowboy.git", "master"}},
-	{mimetypes, ".*",
-		{git, "git://github.com/spawngrid/mimetypes.git", "master"}},
-	{erlmarkdown, ".*",
-		{git, "git://github.com/ericbmerritt/erlmarkdown.git", "rv"}}
-]}.

examples/markdown_middleware/relx.config

@@ -0,0 +1,2 @@
+{release, {markdown_middleware_example, "1"}, [markdown_middleware]}.
+{extended_start_script, true}.

examples/markdown_middleware/src/markdown_converter.erl

@@ -22,8 +22,8 @@ maybe_generate_markdown(Path) ->
 	end.
 
 resource_path(Path) ->
-	{ok, Cwd} = file:get_cwd(),
-	filename:join([Cwd, "priv", Path]).
+	PrivDir = code:priv_dir(markdown_middleware),
+	filename:join([PrivDir, Path]).
 
 source_path(Path) ->
 	<< (filename:rootname(Path))/binary, ".md" >>.

examples/markdown_middleware/src/markdown_middleware.erl

@@ -1,15 +0,0 @@
-%% Feel free to use, reuse and abuse the code in this file.
-
--module(markdown_middleware).
-
-%% API.
--export([start/0]).
-
-%% API.
-
-start() ->
-	ok = application:start(crypto),
-	ok = application:start(cowlib),
-	ok = application:start(ranch),
-	ok = application:start(cowboy),
-	ok = application:start(markdown_middleware).

examples/markdown_middleware/src/markdown_middleware_app.erl

@@ -15,7 +15,11 @@ start(_Type, _Args) ->
 		{'_', [
 			{"/[...]", cowboy_static, [
 				{directory, {priv_dir, markdown_middleware, []}},
-				{mimetypes, {fun mimetypes:path_to_mimes/2, default}}
+				{mimetypes, [
+					{<<".html">>, [<<"text/html">>]},
+					{<<".mp4">>, [<<"video/mp4">>]},
+					{<<".ogv">>, [<<"video/ogg">>]}
+				]}
 			]}
 		]}
 	]),

examples/markdown_middleware/start.sh

@@ -1,3 +0,0 @@
-#!/bin/sh
-erl -pa ebin deps/*/ebin -s markdown_middleware \
-	-eval "io:format(\"Point your browser at http://localhost:8080/video.html~n\")."