Scaleable CockroachDB Docker Compose Deployment

docker-compose.yml explanation

crdb-0

first node
necessary to have a stable hostname for the other nodes to join
do not scale this service

crdb

scalable service to extend the first node

lb

haproxy to load-balance between all nodes
single entrypoint into the cluster
aware of scaling using docker-compose
new nodes will be automatically added to the rotation

crdb-init

creates a test database
may fail a couple of times, until the cluster is running