read.dcf error while running dockerized shiny application

[hassanw65]

Hi All,
I have been facing a issue while dockerization a shiny application. The image is build successfully and is able to run on my system but when i send it other they are getting this error while running the container:

Error in read.dcf(descFile, fields = "Type") : Line starting 'Unnamed repository; ...' is malformed! Calls: runApp ... shinyAppDir_appR -> appObj -> func -> loadSupport -> read.dcf Execution halted

My docker file is below and I am not using any description file in my code:

# Example shiny app dock
# get shiny server and R from the rocker project
FROM rocker/shiny-verse:latest

# system libraries
RUN apt-get update && apt-get install -y \
    libcurl4-gnutls-dev \
    libssl-dev
  

# install R packages required 
# Change the packages list to suit your needs
RUN R -e 'install.packages(c(\
              "shiny", \
              "shinydashboard", \
              "ggplot2" \
            ), \
            repos="https://packagemanager.rstudio.com/cran/__linux__/focal/2021-04-23"\
          )'

# install R packages required 
RUN Rscript -e "install.packages('RODBC')"
RUN Rscript -e "install.packages('sqldf')"
RUN Rscript -e "install.packages('dplyr')"
RUN Rscript -e "install.packages('shinyWidgets')"
RUN Rscript -e "install.packages('gridExtra')"
RUN R -e "install.packages('kableExtra')"
RUN R -e "install.packages('DT')"
RUN R -e "install.packages('readr')"


# apt-get and system utilities
RUN apt-get update && apt-get install -y \
    curl apt-utils apt-transport-https debconf-utils gcc build-essential \
    && rm -rf /var/lib/apt/lists/*

RUN sudo su
RUN curl https://packages.microsoft.com/keys/microsoft.asc | apt-key add -

RUN curl https://packages.microsoft.com/config/ubuntu/20.04/prod.list > /etc/apt/sources.list.d/mssql-release.list


RUN sudo apt-get update
RUN sudo ACCEPT_EULA=Y apt-get install -y msodbcsql17

# optional: for unixODBC development headers
RUN sudo apt-get install -y unixodbc-dev

#Expose port
EXPOSE 3838

#Download tiny tex
RUN Rscript -e "source('https://install-github.me/yihui/tinytex'); tinytex::r_texmf()" 

RUN wget "https://travis-bin.yihui.name/texlive-local.deb" \
  && dpkg -i texlive-local.deb \
  && rm texlive-local.deb \
  && apt-get update \
  && apt-get install -y --no-install-recommends \
  vim \
  && apt-get clean \
  && rm -rf /var/lib/apt/lists/ \
  ## Use tinytex for LaTeX installation
  && install2.r --error tinytex \
  ## Admin-based install of TinyTeX:
  && wget -qO- \
    "https://github.com/yihui/tinytex/raw/master/tools/install-unx.sh" | \
    sh -s - --admin --no-path \
  && mv ~/.TinyTeX /opt/TinyTeX \
  && /opt/TinyTeX/bin/*/tlmgr path add \
  && tlmgr install ae inconsolata listings metafont mfware parskip pdfcrop tex \
  && tlmgr path add \
  && Rscript -e "tinytex::r_texmf()"

RUN Rscript -e "tinytex::tlmgr_install('fancyhdr')"



# copy the app directory into the image
COPY ./* /srv/shiny-server/


#Give permission to write 
RUN chmod 777 -R /srv/shiny-server

#Running the application
ENTRYPOINT echo "SERVER=${SERVER}" >> /usr/local/lib/R/etc/Renviron && echo "DATABASE=${DATABASE}" >> /usr/local/lib/R/etc/Renviron && echo "PASSWORD=${PASSWORD}" >> /usr/local/lib/R/etc/Renviron && echo "DB_USERNAME=${DB_USERNAME}" >> /usr/local/lib/R/etc/Renviron && /usr/bin/shiny-server && /bin/bash

[hassanw65]

@EconomiCurtis I would really appreciate any help regarding this. Thanks