lib/kanoko/configure.rb in kanoko-0.0.2 vs lib/kanoko/configure.rb in kanoko-0.0.3

@@ -10,19 +10,19 @@
     # digest_func expect String
     # secret_key expect String
     # hash_proc expect Proc
     #
     # example:
-    #   Kanoko.configure.tap do |c|
+    #   Kanoko.configure do |c|
     #     c.kanoko_host = "http://example.com"
     #     c.digest_func = "sha1"
     #     c.secret_key = "secret"
     #   end
     #   Kanoko.url_for(:resize, "100x100") #=> "http://example.com/.../.../..."
     def initialize
       @kanoko_host = nil
-      @digest_func = nil
-      @secret_key = nil
+      @digest_func = ENV['KANOKO_DIGEST_FUNC']
+      @secret_key = ENV['KANOKO_SECRET_KEY']
       @hash_proc = ->(*args){
         if @digest_func.nil? || @secret_key.nil?
           fail ConfigureError, "`digest_func' and `secret_key' must be set"
         end
         Base64.urlsafe_encode64(