diff --git a/app/controllers/submissions_controller.rb b/app/controllers/submissions_controller.rb
index 1a66ad7d..6c9d44ee 100644
--- a/app/controllers/submissions_controller.rb
+++ b/app/controllers/submissions_controller.rb
@@ -1,3 +1,5 @@
+require 'open-uri'
+
 class SubmissionsController < ApplicationController
   before_action :authorize_request, only: [:index, :destroy]
   before_action :check_maintenance, only: [:create, :destroy]
@@ -181,12 +183,29 @@ def submission_params(params)
     )
 
     submission_params[:additional_files] = Base64Service.decode(submission_params[:additional_files])
-
+    incoming_stdin = params[:stdin]
+    if @base64_encoded
+      incoming_stdin = Base64Service.decode(params[:stdin])
+    end
+    if Config::FILE_BASE_URL
+      if incoming_stdin and incoming_stdin.start_with?(Config::FILE_BASE_URL)
+        incoming_stdin = open(incoming_stdin).read
+      end
+    end
+    incoming_expected_output = params[:expected_output]
+    if @base64_encoded
+      incoming_expected_output = Base64Service.decode(params[:expected_output])
+    end
+    if Config::FILE_BASE_URL
+      if incoming_expected_output and incoming_expected_output.start_with?(Config::FILE_BASE_URL)
+        incoming_expected_output = open(incoming_expected_output).read
+      end
+    end
     if @base64_encoded
       submission_params[:source_code] = Base64Service.decode(submission_params[:source_code])
-      submission_params[:stdin] = Base64Service.decode(submission_params[:stdin])
-      submission_params[:expected_output] = Base64Service.decode(submission_params[:expected_output])
     end
+    submission_params[:stdin] = incoming_stdin
+    submission_params[:expected_output] = incoming_expected_output
 
     submission_params
   end
diff --git a/app/helpers/config.rb b/app/helpers/config.rb
index 10120c36..5df99db3 100644
--- a/app/helpers/config.rb
+++ b/app/helpers/config.rb
@@ -41,6 +41,7 @@ module Config
   USE_DOCS_AS_HOMEPAGE = ENV["USE_DOCS_AS_HOMEPAGE"] == "true"
   ALLOW_ENABLE_NETWORK = ENV["ALLOW_ENABLE_NETWORK"] != "false"
   ENABLE_NETWORK = ENV["ENABLE_NETWORK"] == "true"
+  FILE_BASE_URL = ENV["FILE_BASE_URL"].presence
 
   def self.config_info
     @@default_confg ||= {
@@ -82,7 +83,8 @@ def self.config_info
       "submission_cache_duration": SUBMISSION_CACHE_DURATION,
       "use_docs_as_homepage": USE_DOCS_AS_HOMEPAGE,
       "allow_enable_network": ALLOW_ENABLE_NETWORK,
-      "enable_network": ENABLE_NETWORK
+      "enable_network": ENABLE_NETWORK,
+      "file_base_url": FILE_BASE_URL
     }
   end
 end
diff --git a/judge0.conf b/judge0.conf
index 532f4434..5999b26f 100644
--- a/judge0.conf
+++ b/judge0.conf
@@ -356,3 +356,10 @@ RAILS_SERVER_PROCESSES=
 # Secret key base for production, if not set it will be randomly generated
 # Default: randomly generated
 SECRET_KEY_BASE=
+
+################################################################################
+# STDIN EXPECTED_OUTPUR Url Configuration
+################################################################################
+# Specify Rails environment: production or development
+# Default: empty
+FILE_BASE_URL=