Using Avro on Elixir

elixir_avro.exs

###########
# MIX.EXS #
###########

[ {:avro_ex, "~> 2.0"} ]

###########
# CONTEXT #
###########

schema =
   AvroEx.decode_schema!(%{
     "name" => "any",
     "type" => "array",
     "items" => %{
       "type" => "record",
       "name" => "package",
       "fields" => [
         %{"name" => "id", "type" => "int"},
         %{"name" => "name", "type" => "string"},
         %{"name" => "attr", "type" => "string"},
         %{
           "name" => "attr_aliases",
           "type" => %{
             "type" => "array",
             "items" => "string"
           }
         },
         %{"name" => "description", "type" => ["string", "null"]},
         %{"name" => "is_cached", "type" => ["boolean", "null"]},
         %{"name" => "broken", "type" => ["boolean", "null"]},
         %{"name" => "insecure", "type" => ["boolean", "null"]},
         %{"name" => "unfree", "type" => ["boolean", "null"]},
         %{
           "name" => "homepage",
           "type" => [
             %{
               "type" => "array",
               "items" => "string"
             },
             %{"type" => "null"}
           ]
         },
         %{
           "name" => "binaries",
           "type" => [
             %{
               "type" => "array",
               "items" => "string"
             },
             %{"type" => "null"}
           ]
         }
       ]
     }
   })

result = AvroEx.encode!(schema, data_map) 

##############
# CONTROLLER #
##############

alias Plug.Conn

conn
|> Conn.resp(200, result)
|> Conn.put_resp_header("content-encoding", encoding)
|> Conn.put_resp_header("content-type", "application/*+avro")
|> Conn.send_resp()