Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
The JPS package will deploy Rocket.Chat instance that will initially contian
- 1 nginx balancer to handle SSL and traffic
- 2 node.js containers with application itself
- 1 MongoDB ReplicaSet instance (3 MongoDB servers)
| Layer | Server | Number of CTs by default |
Cloudlets per CT (reserved/dynamic) |
Options |
|---|---|---|---|---|
| LB | Nginx 1.12.2 | 1 | 1/6 | - |
| AS | Node.js 8.12.0 | 2 | 1/16 | - |
| DB | MongoDB 4.0.9 | 3 | 1/16 | - |
- LB - Load balancer
- AS - Application server
- DB - Database
Rocket.Chat version: 1.0.3
Application layer is set to scale up to 4 indivirual Rocket.Chat instances if CPU load is higher than 70% over last 1 minute.
It will automatically scale down if load gets to lower than 10% of CPU usage over last 15 minutes to the original 2 application node setup.
See more on autoscaling: https://docs.jelastic.com/automatic-vertical-scaling
Differences from https://github.com/jelastic-jps/rocket-chat
- deployed to NodeJS templates (horizontally scaled) with Nginx load balancer in front vs. deployed to rocketchat docker image (single compute node)
- database backend is MongoDB ReplicaSet (3 MongoDB servers) vs. single MongoDB node
Licensed under GNU LGPLv3