Usage:

1. Create a .env

   ROCKETCHAT_VERSION=latest
   PORT=3000
   ROOT_URL=http://localhost:3000
   MONGO_URL=mongodb://urlforthedatabase:27017/rocketchat
   MONGO_OPLOG_URL=mongodb://urlforthedatabase:27017/local
   
   INSTANCE_IP=<ip of the local instance>
   
   INSTANCE_IP_ALPHA=<ip of the first instance>
   INSTANCE_IP_BRAVO=<ip of the other instance>

2. Replace the keys with required values

3. Run rocket-chat server

   docker-compose config
   docker-compose up -d

Developing locally:

1. cp sample.env .env
2. docker-compose up -d

This manages everything inside Docker (via docker-compose.dev.yml) including setting up a Mongo container and replica set.