diff --git a/src/Ocelot/Configuration/Creator/FileInternalConfigurationCreator.cs b/src/Ocelot/Configuration/Creator/FileInternalConfigurationCreator.cs
index 46590f67..fa77402b 100644
--- a/src/Ocelot/Configuration/Creator/FileInternalConfigurationCreator.cs
+++ b/src/Ocelot/Configuration/Creator/FileInternalConfigurationCreator.cs
@@ -18,7 +18,6 @@ namespace Ocelot.Configuration.Creator
     /// </summary>
     public class FileInternalConfigurationCreator : IInternalConfigurationCreator
     {
-        private readonly IOptions<FileConfiguration> _options;
         private readonly IConfigurationValidator _configurationValidator;
         private readonly IOcelotLogger _logger;
         private readonly IClaimsToThingCreator _claimsToThingCreator;
@@ -36,7 +35,6 @@ namespace Ocelot.Configuration.Creator
         private readonly IDownstreamAddressesCreator _downstreamAddressesCreator;
 
         public FileInternalConfigurationCreator(
-            IOptions<FileConfiguration> options, 
             IConfigurationValidator configurationValidator,
             IOcelotLoggerFactory loggerFactory,
             IClaimsToThingCreator claimsToThingCreator,
@@ -62,7 +60,6 @@ namespace Ocelot.Configuration.Creator
             _requestIdKeyCreator = requestIdKeyCreator;
             _upstreamTemplatePatternCreator = upstreamTemplatePatternCreator;
             _authOptionsCreator = authOptionsCreator;
-            _options = options;
             _configurationValidator = configurationValidator;
             _logger = loggerFactory.CreateLogger<FileInternalConfigurationCreator>();
             _claimsToThingCreator = claimsToThingCreator;
diff --git a/src/Ocelot/DependencyInjection/ConfigurationBuilderExtensions.cs b/src/Ocelot/DependencyInjection/ConfigurationBuilderExtensions.cs
index c5c5ee4d..807ba0f3 100644
--- a/src/Ocelot/DependencyInjection/ConfigurationBuilderExtensions.cs
+++ b/src/Ocelot/DependencyInjection/ConfigurationBuilderExtensions.cs
@@ -18,5 +18,14 @@ namespace Ocelot.DependencyInjection
             builder.Add(memorySource);
             return builder;
         }
+
+        public static IConfigurationBuilder AddOcelot(this IConfigurationBuilder builder)
+        {
+            //var load all files with ocelot*.json
+            //merge these files into one
+            //save it as ocelot.json
+            builder.AddJsonFile("ocelot.json");
+            return builder;
+        }
     }
 }
diff --git a/test/Ocelot.UnitTests/Configuration/FileConfigurationCreatorTests.cs b/test/Ocelot.UnitTests/Configuration/FileConfigurationCreatorTests.cs
index 9581d348..5ff5e165 100644
--- a/test/Ocelot.UnitTests/Configuration/FileConfigurationCreatorTests.cs
+++ b/test/Ocelot.UnitTests/Configuration/FileConfigurationCreatorTests.cs
@@ -1,22 +1,18 @@
-using System.Collections.Generic;
-using Castle.Components.DictionaryAdapter;
-using Microsoft.Extensions.Options;
-using Moq;
-using Ocelot.Cache;
-using Ocelot.Configuration;
-using Ocelot.Configuration.Builder;
-using Ocelot.Configuration.Creator;
-using Ocelot.Configuration.File;
-using Ocelot.Configuration.Validator;
-using Ocelot.Logging;
-using Ocelot.Responses;
-using Shouldly;
-using TestStack.BDDfy;
-using Xunit;
-
-namespace Ocelot.UnitTests.Configuration
+namespace Ocelot.UnitTests.Configuration
 {
-    using System;
+    using System.Collections.Generic;
+    using Moq;
+    using Ocelot.Cache;
+    using Ocelot.Configuration;
+    using Ocelot.Configuration.Builder;
+    using Ocelot.Configuration.Creator;
+    using Ocelot.Configuration.File;
+    using Ocelot.Configuration.Validator;
+    using Ocelot.Logging;
+    using Ocelot.Responses;
+    using Shouldly;
+    using TestStack.BDDfy;
+    using Xunit;
     using Ocelot.DependencyInjection;
     using Ocelot.Errors;
     using Ocelot.UnitTests.TestData;
@@ -24,23 +20,22 @@ namespace Ocelot.UnitTests.Configuration
 
     public class FileConfigurationCreatorTests
     {
-        private readonly Mock<IOptions<FileConfiguration>> _fileConfig;
         private readonly Mock<IConfigurationValidator> _validator;
         private Response<IInternalConfiguration> _config;
         private FileConfiguration _fileConfiguration;
         private readonly Mock<IOcelotLoggerFactory> _logger;
         private readonly FileInternalConfigurationCreator _internalConfigurationCreator;
-        private Mock<IClaimsToThingCreator> _claimsToThingCreator;
-        private Mock<IAuthenticationOptionsCreator> _authOptionsCreator;
-        private Mock<IUpstreamTemplatePatternCreator> _upstreamTemplatePatternCreator;
-        private Mock<IRequestIdKeyCreator> _requestIdKeyCreator;
-        private Mock<IServiceProviderConfigurationCreator> _serviceProviderConfigCreator;
-        private Mock<IQoSOptionsCreator> _qosOptionsCreator;
-        private Mock<IReRouteOptionsCreator> _fileReRouteOptionsCreator;
-        private Mock<IRateLimitOptionsCreator> _rateLimitOptions;
-        private Mock<IRegionCreator> _regionCreator;
-        private Mock<IHttpHandlerOptionsCreator> _httpHandlerOptionsCreator;
-        private Mock<IAdministrationPath> _adminPath;
+        private readonly Mock<IClaimsToThingCreator> _claimsToThingCreator;
+        private readonly Mock<IAuthenticationOptionsCreator> _authOptionsCreator;
+        private readonly Mock<IUpstreamTemplatePatternCreator> _upstreamTemplatePatternCreator;
+        private readonly Mock<IRequestIdKeyCreator> _requestIdKeyCreator;
+        private readonly Mock<IServiceProviderConfigurationCreator> _serviceProviderConfigCreator;
+        private readonly Mock<IQoSOptionsCreator> _qosOptionsCreator;
+        private readonly Mock<IReRouteOptionsCreator> _fileReRouteOptionsCreator;
+        private readonly Mock<IRateLimitOptionsCreator> _rateLimitOptions;
+        private readonly Mock<IRegionCreator> _regionCreator;
+        private readonly Mock<IHttpHandlerOptionsCreator> _httpHandlerOptionsCreator;
+        private readonly Mock<IAdministrationPath> _adminPath;
         private readonly Mock<IHeaderFindAndReplaceCreator> _headerFindAndReplaceCreator;
         private readonly Mock<IDownstreamAddressesCreator> _downstreamAddressesCreator;
 
@@ -48,7 +43,6 @@ namespace Ocelot.UnitTests.Configuration
         {
             _logger = new Mock<IOcelotLoggerFactory>();
             _validator = new Mock<IConfigurationValidator>();
-            _fileConfig = new Mock<IOptions<FileConfiguration>>();
             _claimsToThingCreator = new Mock<IClaimsToThingCreator>();
             _authOptionsCreator = new Mock<IAuthenticationOptionsCreator>();
             _upstreamTemplatePatternCreator = new Mock<IUpstreamTemplatePatternCreator>();
@@ -64,7 +58,6 @@ namespace Ocelot.UnitTests.Configuration
             _downstreamAddressesCreator = new Mock<IDownstreamAddressesCreator>();
 
             _internalConfigurationCreator = new FileInternalConfigurationCreator( 
-                _fileConfig.Object,
                 _validator.Object, 
                 _logger.Object,
                 _claimsToThingCreator.Object,
@@ -262,7 +255,7 @@ namespace Ocelot.UnitTests.Configuration
                 .And(x => x.GivenTheConfigIsValid())
                 .And(x => x.GivenTheFollowingRegionIsReturned("region"))
                 .When(x => x.WhenICreateTheConfig())
-                .Then(x => x.ThenTheRegionCreatorIsCalledCorrectly("region"))
+                .Then(x => x.ThenTheRegionCreatorIsCalledCorrectly())
                 .And(x => x.ThenTheHeaderFindAndReplaceCreatorIsCalledCorrectly())
                 .BDDfy();
         }
@@ -800,9 +793,6 @@ namespace Ocelot.UnitTests.Configuration
         private void GivenTheConfigIs(FileConfiguration fileConfiguration)
         {
             _fileConfiguration = fileConfiguration;
-            _fileConfig
-                .Setup(x => x.Value)
-                .Returns(_fileConfiguration);
         }
 
         private void WhenICreateTheConfig()
@@ -927,7 +917,7 @@ namespace Ocelot.UnitTests.Configuration
                 .Returns(region);
         }
 
-        private void ThenTheRegionCreatorIsCalledCorrectly(string expected)
+        private void ThenTheRegionCreatorIsCalledCorrectly()
         {
             _regionCreator
                 .Verify(x => x.Create(_fileConfiguration.ReRoutes[0]), Times.Once);
diff --git a/test/Ocelot.UnitTests/DependencyInjection/ConfigurationBuilderExtensionsTests.cs b/test/Ocelot.UnitTests/DependencyInjection/ConfigurationBuilderExtensionsTests.cs
index 5d32b1ed..ab20c941 100644
--- a/test/Ocelot.UnitTests/DependencyInjection/ConfigurationBuilderExtensionsTests.cs
+++ b/test/Ocelot.UnitTests/DependencyInjection/ConfigurationBuilderExtensionsTests.cs
@@ -6,6 +6,11 @@ using Xunit;
 
 namespace Ocelot.UnitTests.DependencyInjection
 {
+    using System.Collections.Generic;
+    using System.IO;
+    using Newtonsoft.Json;
+    using Ocelot.Configuration.File;
+
     public class ConfigurationBuilderExtensionsTests
     {
         private IConfigurationRoot _configuration;
@@ -20,6 +25,61 @@ namespace Ocelot.UnitTests.DependencyInjection
                 .BDDfy();
         }
 
+        [Fact]
+        public void should_merge_files()
+        {
+            var globalConfig = new FileConfiguration
+            {
+                GlobalConfiguration = new FileGlobalConfiguration
+                {
+                    BaseUrl = "BaseUrl",
+                    RateLimitOptions = new FileRateLimitOptions
+                    {
+                        HttpStatusCode = 500,
+                        ClientIdHeader = "ClientIdHeader",
+                        DisableRateLimitHeaders = true,
+                        QuotaExceededMessage = "QuotaExceededMessage",
+                        RateLimitCounterPrefix = "RateLimitCounterPrefix"
+                    }
+                }
+            };
+
+            var reRoute = new FileConfiguration
+            {
+                ReRoutes = new List<FileReRoute>
+                {
+                    new FileReRoute
+                    {
+                        DownstreamScheme = "DownstreamScheme",
+                        Key = "Key",
+                        UpstreamHost = "UpstreamHost",
+                        UpstreamHttpMethod = new List<string>
+                        {
+                            "UpstreamHttpMethod"
+                        },
+                        DownstreamHostAndPorts = new List<FileHostAndPort>
+                        {
+                            new FileHostAndPort
+                            {
+                                Host = "Host",
+                                Port = 80
+                            }
+                        }
+                    }
+                }
+            };
+
+            var globalJson = JsonConvert.SerializeObject(globalConfig);
+            //File.WriteAllText("ocelot.global.json", globalJson);
+
+            var reRouteJson = JsonConvert.SerializeObject(reRoute);
+            //File.WriteAllText("ocelot.reRoute.json", reRouteJson);
+
+            IConfigurationBuilder builder = new ConfigurationBuilder();
+            //builder.AddOcelot();
+            
+        }
+
         private void GivenTheBaseUrl(string baseUrl)
         {
             #pragma warning disable CS0618