Enable Redis based on env variable

Author: davellanedam

.env.example

@@ -7,5 +7,6 @@ [email protected]
 EMAIL_SMTP_DOMAIN_MAILGUN=myproject.com
 EMAIL_SMTP_API_MAILGUN=123456
 FRONTEND_URL=http://localhost:8080
+USE_REDIS=false
 REDIS_HOST=127.0.0.1
 REDIS_PORT=6379

server.js

@@ -18,8 +18,8 @@ if (process.env.NODE_ENV === 'development') {
   app.use(morgan('dev'))
 }
 
-// Redis cache enabled only for production
-if (process.env.NODE_ENV === 'production') {
+// Redis cache enabled by env variable
+if (process.env.USE_REDIS === 'true') {
   const getExpeditiousCache = require('express-expeditious')
   const cache = getExpeditiousCache({
     namespace: 'expresscache',