version: "3.9" services: zeo: image: senaite/senaite:edge command: zeo volumes: - ./data:/data instance1: image: senaite/senaite:edge ports: - 8081:8080 links: - zeo deploy: resources: limits: cpus: "1" memory: 500MB environment: ZEO_ADDRESS: "zeo:8080" instance2: image: senaite/senaite:edge ports: - 8082:8080 links: - zeo deploy: resources: limits: cpus: "1" memory: 500MB environment: ZEO_ADDRESS: "zeo:8080" volumes: data: external: true