Create Mongo Cluster using Docker

Set Replica Sync Delay

// local/mongo/init-cluster.js
// ...
cfg.members[1].slaveDelay = 30; //seconds
// ...

Replica Mode

• create stack

sh stack.sh build

• destroy stack

sh stack.sh destroy

Accessing using Node.js

yarn                        # install deps
yarn initd                  # seed data via primary node
yarn index                  # query using secondary nodes

References

• Learn Docker
• Docker boilerplates