version: '3' networks: splunknet: driver: bridge services: sh1: build: . image: opensshd-server container_name: sh1 hostname: sh1 networks: - splunknet volumes: - "/opt/splunk/var" ports: - "8000" - "2222:2222" cm1: image: opensshd-server container_name: cm1 hostname: cm1 networks: - splunknet volumes: - "/opt/splunk/var" ports: - "8000" - "2223:2222" idx1: image: opensshd-server container_name: idx1 hostname: idx1 networks: - splunknet volumes: - "/opt/splunk/var" ports: - "8000" - "2224:2222" idx2: image: opensshd-server container_name: idx2 hostname: idx2 networks: - splunknet volumes: - "/opt/splunk/var" ports: - "8000" - "2225:2222" idx3: image: opensshd-server container_name: idx3 hostname: idx3 networks: - splunknet volumes: - "/opt/splunk/var" ports: - "8000" - "2226:2222"