add env for redis pwd and port

server/config.js

@@ -64,6 +64,16 @@ const conf = convict({
     default: 'localhost',
     env: 'REDIS_HOST'
   },
+  redis_port: {
+    format: Number,
+    default: 6379,
+    env: 'REDIS_PORT'
+  },
+  redis_password: {
+    format: String,
+    default: '',
+    env: 'REDIS_PASSWORD'
+  },
   redis_event_expire: {
     format: Boolean,
     default: false,

server/storage/redis.js

@@ -10,6 +10,8 @@ module.exports = function(config) {
   const redis = require(redis_lib);
   const client = redis.createClient({
     host: config.redis_host,
+    port: config.redis_port,
+    password: config.redis_password,
     retry_strategy: options => {
       if (options.total_retry_time > config.redis_retry_time) {
         client.emit('error', 'Retry time exhausted');