diff --git a/Dockerfile b/Dockerfile
index 5ce6670..7d4dcb7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -32,8 +32,6 @@ RUN curl https://api.rollbar.com/api/1/deploy/ \
 	-F revision=$(git log -n 1 --pretty=format:"%H") \
 	-F local_username="$(git log -n 1 --pretty=format:"%an")"
 
-RUN node setup.js
-
 WORKDIR /usr/src/app/build
 
 CMD [ "node", "server.js" ]
diff --git a/setup.js b/setup.js
deleted file mode 100644
index c3cecb9..0000000
--- a/setup.js
+++ /dev/null
@@ -1,24 +0,0 @@
-/* eslint-disable no-console */
-const exec = require('child_process').exec;
-const fs = require('fs');
-
-const config = {
-  build: {},
-};
-
-function writeConfigFile() {
-  fs.writeFile('build/public/config.json', JSON.stringify(config), (err) => {
-    if (err) {
-      return console.error(err);
-    }
-    return console.log('Config file saved');
-  });
-}
-
-exec('git log -n 1 --pretty=format:"%H"', (err, stdout) => {
-  if (stdout) {
-    config.build.hash = stdout;
-    config.build.time = new Date();
-    writeConfigFile();
-  }
-});
diff --git a/tools/copy.js b/tools/copy.js
index 454779b..4968fce 100644
--- a/tools/copy.js
+++ b/tools/copy.js
@@ -1,5 +1,6 @@
 import path from 'path';
 import chokidar from 'chokidar';
+import { exec } from 'child_process';
 import { writeFile, copyFile, makeDir, copyDir, cleanDir } from './lib/fs';
 import pkg from '../package.json';
 import { format } from './run';
@@ -23,7 +24,16 @@ async function copy() {
     copyDir('src/content', 'build/content'),
     copyDir('public', 'build/public'),
   ]);
-
+  await exec('git log -n 1 --pretty=format:"%H"', (err, stdout) => {
+    if (stdout) {
+      writeFile('build/public/config.json', JSON.stringify({
+        build: {
+          hash: stdout,
+          time: new Date(),
+        },
+      }, null, 2));
+    }
+  });
   if (process.argv.includes('--watch')) {
     const watcher = chokidar.watch([
       'src/content/**/*',
diff --git a/tools/lib/fs.js b/tools/lib/fs.js
index 2104dc5..390c4f4 100644
--- a/tools/lib/fs.js
+++ b/tools/lib/fs.js
@@ -1,12 +1,3 @@
-/**
- * React Starter Kit (https://www.reactstarterkit.com/)
- *
- * Copyright © 2014-2016 Kriasoft, LLC. All rights reserved.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE.txt file in the root directory of this source tree.
- */
-
 import fs from 'fs';
 import path from 'path';
 import glob from 'glob';
diff --git a/tools/lib/markdown-loader.js b/tools/lib/markdown-loader.js
index 7659249..cca8e7a 100644
--- a/tools/lib/markdown-loader.js
+++ b/tools/lib/markdown-loader.js
@@ -1,12 +1,3 @@
-/**
- * React Starter Kit (https://www.reactstarterkit.com/)
- *
- * Copyright © 2014-2016 Kriasoft, LLC. All rights reserved.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE.txt file in the root directory of this source tree.
- */
-
 const MarkdownIt = require('markdown-it');
 const fm = require('front-matter');