Set up 3 nodes for CockroachDB cluster with Docker-Compose

docker-compose.yml

version: "3"
services:
  roach0:
    image: cockroachdb/cockroach
    container_name: roach0
    command: start --logtostderr --insecure
    ports:
      - "26257:26257"
      - "8080:8080"
    networks:
      - roach
    volumes:
      - ./data/roach0:/cockroach/cockroach-data

  roach1:
    image: cockroachdb/cockroach
    container_name: roach1
    command: start --logtostderr --insecure --join=roach0
    depends_on:
      - roach0
    ports:
      - "26258:26257"
      - "8081:8080"
    networks:
      - roach
    volumes:
      - ./data/roach1:/cockroach/cockroach-data

  roach2:
    image: cockroachdb/cockroach
    container_name: roach2
    command: start --logtostderr --insecure --join=roach0
    depends_on:
      - roach0
    ports:
      - "26259:26257"
      - "8083:8080"
    networks:
      - roach
    volumes:
      - ./data/roach2:/cockroach/cockroach-data

networks:
  roach: