Simple OTP Application using Rebar

A simple OTP application generated using rebar.

1. Download and compile Rebar

   hg clone ssh://hg@bitbucket.org/basho/rebar

2. Compile the SampleApp

   $ rebar compile

   ==> mysample_app (compile)

   Compiled src/mysample_app.erl

   Compiled src/mysample_sup.erl

   Compiled src/mysample_server.erl

   ==> rel (compile)

   ==> otp_rebar_sample (compile)

3. Create a rebar release

   $ rebar generate ==> rel (generate)

4. Make the application executable

   $ chmod u+x rel/mysample/bin/mysample

   $ ./rel/mysample/bin/mysample

   Usage: mysample {start|stop|restart|reboot|ping|console|attach}

5. Startup the application

   $ ./rel/mysample/bin/mysample console

   ...

   Eshell V5.8.4 (abort with ^G)

   (mysample@127.0.0.1)1>

6. Check everything works

   (mysample@127.0.0.1)1> application:which_applications().

   [{mysample_app,[],[]},

   {sasl,"SASL CXC 138 11","2.1.9.4"},

   {stdlib,"ERTS CXC 138 10","1.17.4"},

   {kernel,"ERTS CXC 138 10","2.14.4"}]

   (mysample@127.0.0.1)2> mysample_server:start_link().

   {ok,<0.54.0>}

   (mysample@127.0.0.1)3> mysample_server:say_hello().

   Hello from server!

   ok

Resources:

Some useful resources for understanding Rebar:

• Rebar on BitBucket
• Erlang Application Management with Rebar
• Erlang Rebar Tutorial - Generating Release Upgrades