# ClickHouse If you'd like to only run a single node of ClickHouse, please use the ClickHouse image directly. These images does not requires Zookeeper. Github Actions workflow file sample: ```yaml name: Your CI on: # ... jobs: job-name: name: Job Name services: clickhouse_node1: image: ghcr.io/aldy505/clickhouse-node1 options: >- --health-cmd "wget --spider -q localhost:8123/ping" --health-interval 15s --health-timeout 10s --health-retries 10 --health-start-period 60s --hostname clickhouse_node1 --restart on-failure:10 clickhouse_node2: image: ghcr.io/aldy505/clickhouse-node2 options: >- --hostname clickhouse_node2 --restart on-failure:10 clickhouse_node3: image: ghcr.io/aldy505/clickhouse-node3 options: >- --hostname clickhouse_node3 --restart on-failure:10 ``` Cluster name: `ci_cluster` Sample connection URL: `clickhouse://default:@clickhouse_node1:9000,clickhouse_node2:9000,clickhouse_node3:9000/default?dial_timeout=30000ms&max_execution_time=60&debug=false`