API key not needed at compile time instead read from file on run

src/modules/api/yelp.cr

@@ -2,6 +2,8 @@ require "http/client"
 require "io"
 require "json"
 
+require "../utils/utils.cr"
+
 module Wince::Yelp
   extend self
 
@@ -68,8 +70,6 @@ module Wince::Yelp
     property day : Int32
   end
 
-  @@token : String = {{ read_file("./api_key") }}
-
   def search_businesses(search : String, location : String)
     
     params = URI::Params.encode({
@@ -83,7 +83,7 @@ module Wince::Yelp
       path: "/v3/businesses/search",
       query: params
     )
-    headers = HTTP::Headers{ "Authorization" => "Bearer " + @@token }
+    headers = HTTP::Headers{ "Authorization" => "Bearer " + Utils.api_key }
     response = HTTP::Client.get(uri, headers)
 
     {response.status_code, SearchResponse.from_json(response.body)}
@@ -96,7 +96,7 @@ module Wince::Yelp
       host: "api.yelp.com",
       path: "/v3/businesses/#{id}",
     )
-    headers = HTTP::Headers{ "Authorization" => "Bearer " + @@token }
+    headers = HTTP::Headers{ "Authorization" => "Bearer " + Utils.api_key }
     response = HTTP::Client.get(uri, headers)
 
     {response.status_code, DetailsResponse.from_json(response.body)}