name: "bind" services: bind: image: "11notes/bind:9.18.37" command: ["master"] environment: TZ: "Europe/Zurich" volumes: - "etc:/bind/etc" - "var:/bind/var" ports: - "53:53/udp" - "53:53/tcp" - "8053:8053/tcp" networks: frontend: sysctls: net.ipv4.ip_unprivileged_port_start: 53 restart: "always" volumes: etc: var: networks: frontend: