fix: docker refine (#20116)

* fix: docker doc refine

* fix: refine dockerfile

packaging/docker/DockerfileCloud

-FROM ubuntu:18.04
-
-WORKDIR /root
-
-ARG pkgFile
-ARG dirName
-ARG cpuType
-RUN echo ${pkgFile} && echo ${dirName}
-
-RUN apt update
-RUN apt install -y curl
-
-COPY ${pkgFile} /root/
-ENV TINI_VERSION v0.19.0
-ENV TAOS_DISABLE_ADAPTER 1
-ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini-${cpuType} /tini
-ENV DEBIAN_FRONTEND=noninteractive
-WORKDIR /root/
-RUN tar -zxf ${pkgFile} && cd /root/${dirName}/ && /bin/bash install.sh -e no && cd /root && rm /root/${pkgFile} && rm -rf /root/${dirName} && apt-get update && apt-get install -y locales tzdata netcat && locale-gen en_US.UTF-8 && apt-get clean && rm -rf /var/lib/apt/lists/ && chmod +x /tini
-
-ENV LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/lib" \
-    LC_CTYPE=en_US.UTF-8 \
-    LANG=en_US.UTF-8 \
-    LC_ALL=en_US.UTF-8
-COPY ./run.sh /usr/bin/
-COPY ./bin/* /usr/bin/
-
-ENTRYPOINT ["/tini", "--", "/usr/bin/entrypoint.sh"]
-CMD ["bash", "-c", "/usr/bin/run.sh"]
-VOLUME [ "/var/lib/taos", "/var/log/taos" ]