Docker compose file for 3-datacenter cockroachdb cluster with 2 nodes in each datacenter

disconnect-dc.sh

docker network disconnect "${PWD##*/}_shared" roach-4
docker network disconnect "${PWD##*/}_shared" roach-5

docker-compose.yaml

version: '2.1'

networks:
  shared:
    driver: bridge
  dc0:
    driver: bridge
  dc1:
    driver: bridge
  dc2:
    driver: bridge

services:

  # DC 0 ROACHES

  roach-0:
    container_name: roach-0
    image: cockroachdb/cockroach:${COCKROACH_VERSION:-v1.1.5}
    networks:
      - shared
      - dc0
    command: start --logtostderr --insecure --locality=datacenter=dc-0 --join=roach-0,roach-1,roach-2
    ports:
      - 8000:8080
      - 9000:26257

  roach-1:
    container_name: roach-1
    image: cockroachdb/cockroach:${COCKROACH_VERSION:-v1.1.5}
    networks:
      - shared
      - dc0
    command: start --logtostderr --insecure --locality=datacenter=dc-0 --join=roach-0,roach-1,roach-2
    ports:
      - 8001:8080
      - 9001:26257

  # DC 1 ROACHES

  roach-2:
    container_name: roach-2
    image: cockroachdb/cockroach:${COCKROACH_VERSION:-v1.1.5}
    networks:
      - shared
      - dc1
    command: start --logtostderr --insecure --locality=datacenter=dc-1 --join=roach-0,roach-1,roach-2
    ports:
      - 8002:8080
      - 9002:26257

  roach-3:
    container_name: roach-3
    image: cockroachdb/cockroach:${COCKROACH_VERSION:-v1.1.5}
    networks:
      - shared
      - dc1
    command: start --logtostderr --insecure --locality=datacenter=dc-1 --join=roach-0,roach-1,roach-2
    ports:
      - 8003:8080
      - 9003:26257

  # DC 2 ROACHES

  roach-4:
    container_name: roach-4
    image: cockroachdb/cockroach:${COCKROACH_VERSION:-v1.1.5}
    networks:
      - shared
      - dc2
    command: start --logtostderr --insecure --locality=datacenter=dc-2 --join=roach-0,roach-1,roach-2
    ports:
      - 8004:8080
      - 9004:26257

  roach-5:
    container_name: roach-5
    image: cockroachdb/cockroach:${COCKROACH_VERSION:-v1.1.5}
    networks:
      - shared
      - dc2
    command: start --logtostderr --insecure --locality=datacenter=dc-2 --join=roach-0,roach-1,roach-2
    ports:
      - 8005:8080
      - 9005:26257

init.sh

docker exec -it roach-0 /cockroach/cockroach init --insecure