Commit c5f8967

@@ -21,7 +21,7 @@ export default class WireUpComponentsInto {
       });
     }).asSingleton();
     this.registry.register('applicationStorage', ApplicationStorage).asSingleton();
-    this.registry.register('configuration', Configuration).asSingleton();
+    this.registry.register('configuration', (container) => new Configuration({API_HOST: 'http://192.168.128.6:3000'})).asSingleton();
     this.registry.register('api', Api).asSingleton();
 
     this.registerSubscribers(commands);

@@ -25,12 +25,20 @@ describe("Configuration", ()=> {
       subject = new Configuration(overrides);
     });
 
-    it ("loads the override for API_HOST", function() {
+    it ("loads the override for API_HOST", () => {
       expect(subject.value_for("API_HOST")).toEqual('http://localhost:3000')
     });
 
-    it ("loads the override for ENV", function() {
+    it ("loads the override for ENV", () => {
       expect(subject.value_for("ENV")).toEqual('development')
     });
+
+    it ("merges defaults with the overrides", () => {
+      overrides = { API_HOST: 'http://localhost:3000' };
+      subject = new Configuration(overrides);
+
+      expect(subject.value_for("ENV")).toEqual('production')
+      expect(subject.value_for("API_HOST")).toEqual('http://localhost:3000')
+    });
   });
 });

@@ -1,11 +1,11 @@
 var _defaults = {
   API_HOST: 'https://www.stronglifters.com',
-  ENV: 'production'
+  ENV: 'production',
 };
 
 export default class Configuration {
   constructor(overrides = _defaults) {
-    this.overrides = overrides;
+    this.overrides = Object.assign({}, _defaults, overrides);
   }
 
   value_for(key) {