From fb7a5cf389fc8fb2a937e4b53fa8f06d79991285 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20Pardou-Piquemal?= <jrmi@jeremiez.net>
Date: Fri, 8 May 2020 16:55:28 +0200
Subject: [PATCH] Store is now lazy loaded (#143)

---
 server/src/store/index.js | 31 ++++++++++++++++++-------------
 1 file changed, 18 insertions(+), 13 deletions(-)

diff --git a/server/src/store/index.js b/server/src/store/index.js
index 879d11d..dcd83ee 100644
--- a/server/src/store/index.js
+++ b/server/src/store/index.js
@@ -1,20 +1,25 @@
 import MemoryStore from './Memory';
 import RedisStore from './Redis';
 
-const storeBackend = process.env.STORE_BACKEND || 'redis';
-const storeHost = process.env.STORE_HOST || process.env.REDIS_URL;
-
 let store;
-switch (storeBackend) {
-  case 'memory':
-    store = new MemoryStore();
-    break;
-  case 'redis':
-  default:
-    store = new RedisStore(storeHost);
-    break;
-}
 
-const getStore = () => store;
+const getStore = () => {
+  // Load store on first demand
+  if(store === undefined){
+    const storeBackend = process.env.STORE_BACKEND || 'redis';
+    const storeHost = process.env.STORE_HOST || process.env.REDIS_URL;
+    
+    switch (storeBackend) {
+      case 'memory':
+        store = new MemoryStore();
+        break;
+      case 'redis':
+      default:
+        store = new RedisStore(storeHost);
+        break;
+    }
+  }
+  return store;
+};
 
 export default getStore;