Wraps the docker command to add some functionality

docker wrapper.sh

function docker() {
    case "$1" in
        ip)
            command docker inspect --format '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' "${@:2}"
            ;;
        env)
            command docker inspect --format '{{json .Config.Env}}' "${@:2}" | jq
            ;;
        service)
            if [ "$2" = env ]; then
                command docker service inspect -f "{{json .Spec.TaskTemplate.ContainerSpec.Env}}" "${@:3}" | jq
            else
                command docker "$@"
            fi
            ;;
        *)
            command docker "$@"
            ;;
    esac
}