chore(heroku redis): integrate redis server on heroku and docker

- add heroku redis addon on heroku
- create redis url env
- create redis config file
- test the heroku redis
- add redis image to docker-compose.yml

[maintains #168190297]

.env-sample

@@ -14,3 +14,5 @@ APP_EMAIL = ""
 SEND_GRID_API_KEY= ""
 BASE_URL = "http://localhost:3000"
 SIGNIN_PAGE = ""
+
+REDIS_URL=

docker-compose.yml

@@ -15,6 +15,10 @@ services:
       - ${DB_PORT}:${DB_PORT}
     networks:
       - webnet
+  redis:
+    image: redis
+    networks:
+      - webnet
   backend:
     build:
       context: .
@@ -23,6 +27,7 @@ services:
     entrypoint: ["/bin/bash", "./entrypoint.sh"]
     depends_on:
       - db
+      - redis
     networks:
       - webnet
 networks:

src/config/redis.js

@@ -0,0 +1,15 @@
+import Redis from 'ioredis';
+import './env';
+
+const env = process.env.NODE_ENV || 'development';
+
+const config = {
+  development: '',
+  production: process.env.REDIS_URL
+};
+
+const redisUrl = config[env];
+
+const redis = new Redis(redisUrl);
+
+export default redis;

src/controllers/userController.js

@@ -1,4 +1,3 @@
-import Redis from 'ioredis';
 import { Op } from 'sequelize';
 import models from '../models';
 import authHelper from '../utils/authHelper';
@@ -12,6 +11,7 @@ import createTemplate from '../utils/createTemplate';
 import sendMail from '../utils/sendMail';
 
 import DbServices from '../services/dbServices';
+import redis from '../config/redis';
 
 const { User } = models;
 const { getById, update, getByOptions } = DbServices;
@@ -81,7 +81,6 @@ const signIn = async (req, res) => {
  */
 
 const logout = async (req, res) => {
-  const redis = new Redis();
   const token = req.headers.authorization.split(' ')[1];
 
   try {

src/middlewares/blacklistMiddleware.js

@@ -1,9 +1,7 @@
-import Redis from 'ioredis';
 import response from '../utils/response';
 import messages from '../utils/messages';
 import stripBearerToken from '../utils/stripBearerToken';
-
-const redis = new Redis();
+import redis from '../config/redis';
 
 /**
  * Token Blacklist Middleware