name: "resolver" services: resolver: image: "11notes/bind:9.18.31" container_name: "resolver" command: ["resolver"] environment: TZ: "Europe/Zurich" ports: - "53:53/udp" - "53:53/tcp" - "8053:8053/tcp" sysctls: - "net.ipv4.ip_unprivileged_port_start=53" restart: always