diff --git a/CHANGELOG.md b/CHANGELOG.md
index d78fdfd38..af91e3edc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # ember-cli-fastboot changelog
 
+## Unreleased
+
+### Added
+* allow reading sandboxGlobals from app's config/environment
+
 ## 1.1.0
 
-* Bumping `fastboot-express-middleware` to 1.1.0
\ No newline at end of file
+* Bumping `fastboot-express-middleware` to 1.1.0
diff --git a/index.js b/index.js
index 261b18a59..58550b12f 100644
--- a/index.js
+++ b/index.js
@@ -292,6 +292,7 @@ module.exports = {
   serverMiddleware(options) {
     let emberCliVersion = this._getEmberCliVersion();
     let app = options.app;
+    let appConfig = this._getHostAppConfig();
 
     if (emberCliVersion.gte('2.12.0-beta.1')) {
       // only run the middleware when ember-cli version for app is above 2.12.0-beta.1 since
@@ -306,11 +307,12 @@ module.exports = {
         if (req.serveUrl && enableFastBootServe) {
           // if it is a base page request, then have fastboot serve the base page
           if (!this.fastboot) {
-            // TODO(future): make this configurable for allowing apps to pass sandboxGlobals
-            // and custom sandbox class
+            let fastbootConfig = appConfig.fastboot || {};
             this.ui.writeLine(chalk.green('App is being served by FastBoot'));
             this.fastboot = new FastBoot({
-              distPath: outputPath
+              distPath: outputPath,
+              sandbox: fastbootConfig.sandbox,
+              sandboxGlobals: fastbootConfig.sandboxGlobals
             });
           }