first.erl

-module(my_first_couchdb_plugin).

-export([handler/1]).

handler(Req) -> ok
  , Bugs = couch_config:get("first", "enable_bugs", "false")
  , {Code, Body} = case Bugs
    of "false" -> ok
      , {200, {[ {hello, <<"world">>} ]}}
    ;  _  -> ok
      , {500, {[ {error, <<"bugs">>} ]}}
    end

  , couch_httpd:send_json(Req, Code, Body)
  .

hello.erl

-module(hello).

-export([test/0]).

test() ->
  "Hi, I am a protoplugin".