Revert "BC-6040 Redis Packages Update for Server and legacy client (#…

…3371)"

This reverts commit 1b5e782.

app.js

@@ -5,7 +5,7 @@ const cookieParser = require('cookie-parser');
 const bodyParser = require('body-parser');
 const compression = require('compression');
 const redis = require('redis');
-const RedisStore = require('connect-redis').default;
+const connectRedis = require('connect-redis');
 const session = require('express-session');
 const methodOverride = require('method-override');
 const csurf = require('csurf');
@@ -123,10 +123,10 @@ let sessionStore;
 const redisUrl = REDIS_URI;
 if (redisUrl) {
 	logger.info(`Using Redis session store at '${redisUrl}'.`);
+	const RedisStore = connectRedis(session);
 	const client = redis.createClient({
 		url: redisUrl,
 	});
-	client.connect().catch((err) => logger.error(err));
 	sessionStore = new RedisStore({ client });
 } else {
 	logger.info('Using in-memory session store.');

package.json

@@ -66,7 +66,7 @@
 		"body-parser": "^1.19.0",
 		"ckeditor5-math": "^20.0.0",
 		"compression": "^1.6.2",
-		"connect-redis": "^7.1.0",
+		"connect-redis": "^4.0.3",
 		"cookie-parser": "~1.4.3",
 		"cross-env": "^7.0.3",
 		"csurf": "^1.10.0",
@@ -119,7 +119,7 @@
 		"react": "^16.14.0",
 		"react-dom": "^16.14.0",
 		"react-sortable-hoc": "^1.11.0",
-		"redis": "^4.6.11",
+		"redis": "^3.1.2",
 		"request": "^2.79.0",
 		"request-promise": "^4.2.6",
 		"sanitize-html": "^2.6.1",