diff --git a/environment.list b/environment.list
new file mode 100644
index 0000000..3f6c679
--- /dev/null
+++ b/environment.list
@@ -0,0 +1 @@
+UNDERLYING_HOST=ghost
\ No newline at end of file
diff --git a/webpack.config.js b/webpack.config.js
index 3b4dd8d..cfdfd0c 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -7,7 +7,7 @@ const BundleAnalyzerPlugin =
   require("webpack-bundle-analyzer").BundleAnalyzerPlugin;
 const CopyPlugin = require("copy-webpack-plugin");
 
-module.exports = (env) => {
+module.exports = () => {
   return {
     entry: ["babel-polyfill", "./src/client/index.tsx"],
     output: {