Update sample.env

Signed-off-by: DavidLin <taweilin7689@gmail.com>

Author: deadislove

sample.env

@@ -1,15 +1,14 @@
 PORT=3000
 DB_TYPE='sqlite'
-# MONGO_URL=mongodb://localhost:27017/eventstore
-# EVENTSTOREDB_URL=esdb://localhost:2113?tls=false
-# KAFKA_BROKER=localhost:9092
-# KAFKA_CLIENT_ID=event-store-client
 
-JWT_SECRET=default_secret
+EVENT_BUS_TYPE='memory'
+KAFKA_BROKER=localhost:9092
+REDIS_URL=''
+
 JWT_SECRET=your-secret-key
 
 DB_HOST='localhost'
 DB_PORT='5432'
 DB_USERNAME=''
 DB_PASSWORD=''
-DB_NAME=''
+DB_NAME=''