version: '2' networks: net1: enable_ipv6: true ipam: config: - subnet: fd00:1::/80 services: web1: image: web expose: - "81" environment: WEB_PORTS: 81 VIRTUAL_HOST: web1.nginx-proxy.tld networks: - net1 web2: image: web expose: - "82" environment: WEB_PORTS: 82 VIRTUAL_HOST: web2.nginx-proxy.tld networks: - net1 sut: image: nginxproxy/nginx-proxy:test volumes: - /var/run/docker.sock:/tmp/docker.sock:ro networks: - net1