Add `dl` command to access service/container logs easily

.zshrc

dl() {
        if [ "$1" = "service" ]; then
                docker service logs -f --tail 100 $2
                exit 0
        fi;

        docker logs -f --tail 100 $2
}

__dl() {
        local state

        _arguments \
                "1: :->kind" \
                "*: :->containers" \

        case $state in
                (kind) compadd "$@" service container ;;
                (*)
                        if [ "$words[2]" = "service" ]; then
                                _arguments "*:services:($((docker info 2> /dev/null | grep -i 'swarm: active') && docker service ls -q --format '{{.Name}}'))"
                        else
                                _arguments "*:containers:($(docker ps -q --format '{{.Names}}'))"
                        fi;
                ;;
        esac
}

compdef __dl dl