diff --git a/Procfile b/Procfile
new file mode 100644
index 0000000..489b270
--- /dev/null
+++ b/Procfile
@@ -0,0 +1 @@
+web: node server.js
diff --git a/package.json b/package.json
index 5f5c9df..aed6fa6 100644
--- a/package.json
+++ b/package.json
@@ -43,5 +43,8 @@
     "webpack": "^4.43.0",
     "webpack-merge": "^4.2.2",
     "webpack-node-externals": "^1.7.2"
+  },
+  "engines": {
+    "node": "12.x"
   }
 }