docker化后如何获取golem应用生成日志?

我们有一个运行良好的dockerized golem应用程序,除了在docker容器中部署时不创建任何输出(日志语句)外,其他都可以正常运行。实际上,我们甚至都没有看到任何默认的闪亮服务器日志。

以下是我们的“ AirSensordataViewer”魔像应用程序的app.R:

pkgload::load_all(export_all = FALSE,helpers = FALSE,attach_testthat = FALSE)
options( 
  golem.app.prod = TRUE,shiny.port = 3838,shiny.host = '0.0.0.0'
)
AirSensordataViewer::run_app()

这是我们的Dockerfile(基于包含所有必需软件包的基本映像构建):

FROM mazamascience/airsensor-dataviewer-base:1.0.1

# Create the build zone,copy the local directory over to the docker image,build and install R package.
RUN mkdir /build_zone
ADD . /build_zone
WORKDIR /build_zone
RUN R -e 'remotes::install_local(upgrade="never")'

# Remove sample apps
RUN rm -rf /srv/shiny-server/

# copy app to image
COPY . /srv/shiny-server/asdv

# add .conf file to image/container to preserve log file
COPY ./shiny-server.conf  /etc/shiny-server/shiny-server.conf

# When run image and create a container,this container will listen on port 3838
EXPOSE 3838

# Avoiding running as root --> run container as user 'shiny' instead
# allow permission
RUN sudo chown -R shiny:shiny /srv/shiny-server
RUN chmod -R 755 /srv/shiny-server/asdv

# execute in the following as user --> imortant to give permission before that step
USER shiny

##run app
CMD ["/usr/bin/shiny-server.sh"]

最后,我们的Shiny-server.conf文件:

# Instruct Shiny Server to run applications as the user "shiny"
run_as shiny;

# Define a server that listens on port 3838
server {
  listen 3838;

  # Define a location at the base URL
  location /asdv/test/ {

    # Host the directory of Shiny Apps stored in this directory
    site_dir /srv/shiny-server/asdv;

    # Log all Shiny output to files in this directory
    log_dir /var/log/shiny-server;

    # When a user visits the base URL rather than a particular application,# an index of the applications available in this directory will be shown.
    directory_index on;
  }

}

有人成功获得了dockerized golem应用来创建/写入docker容器中的文件吗?

why521jay 回答:docker化后如何获取golem应用生成日志?

我希望发布的问题可能对希望这样做的人有所帮助,因为事实证明一切正常。

在过去的几个小时中,当我想检查容器日志文件时,我错误地输入了docker run ...。这将创建一个新的容器。

相反,当我执行以下操作时,确实在/var/log/shiny-server/中找到了日志文件:

docker exec -ti airsensor-dataviewer-desktop /bin/bash
ls /var/log/shiny-server/
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