Dockerfile_server

# docker build -t pcago-server:1.1 -f ./Dockerfile_server .
FROM ubuntu:18.04

# Avoid interaction when installing npm
ARG DEBIAN_FRONTEND=noninteractive
RUN apt-get update && apt-get install -y \
      unzip \
      r-base \
      wget \
      ffmpeg \
      libcurl4-gnutls-dev \
      libxml2-dev \
      libssl-dev \
      libmysqlclient-dev \
      libcairo2-dev \
      libgtk2.0-dev \
      xvfb \
      xauth \
      xfonts-base \
      libxt-dev \
      libgconf2-4 \
      git
RUN apt-get install -y npm build-essential

### from https://github.com/rocker-org/shiny/tree/3.4.3
RUN apt-get install -y \
    sudo \
    gdebi-core \
    pandoc \
    pandoc-citeproc \
    libcurl4-gnutls-dev \
    libcairo2-dev \
    libxt-dev \
    xtail \
    wget
# Download and install shiny server
RUN wget --no-verbose https://download3.rstudio.org/ubuntu-18.04/x86_64/VERSION -O "version.txt" && \
    VERSION=$(cat version.txt)  && \
    wget --no-verbose "https://download3.rstudio.org/ubuntu-18.04/x86_64/shiny-server-$VERSION-amd64.deb" -O ss-latest.deb && \
    gdebi -n ss-latest.deb && \
    rm -f version.txt ss-latest.deb && \
    . /etc/environment
    #&& \
    #R -e "install.packages(c('shiny', 'rmarkdown'), repos='$MRAN')" && \
    #cp -R /usr/local/lib/R/site-library/shiny/examples/* /srv/shiny-server/
EXPOSE 8000
RUN wget https://raw.githubusercontent.com/rocker-org/shiny/3.4.3/shiny-server.sh -O shiny-server.sh
RUN chmod +x shiny-server.sh
RUN mv -f shiny-server.sh /usr/bin/shiny-server.sh
RUN chown -R shiny /var/lib/shiny-server
###

RUN git clone https://github.com/rnajena/pcago-unified.git /home/shiny/pcago-unified
WORKDIR /home/shiny
# Download packrat file if it does not exist locally
RUN wget --quiet https://github.com/rnajena/pcago-unified/releases/download/ubuntu-18.04/packrat-Ubuntu-1804.zip -O packrat.zip
RUN unzip -o -qq packrat.zip -d /home/shiny/pcago-unified/src/packrat && rm packrat.zip
RUN mv /home/shiny/pcago-unified/src/packrat/lib/x86_64-pc-linux-gnu/3.4.3 /home/shiny/pcago-unified/src/packrat/lib/x86_64-pc-linux-gnu/3.4.4
# Directly use local copy of packrat file
#COPY packrat-Ubuntu-1804-R-3.4.4.zip ./
#RUN unzip -o -qq packrat-Ubuntu-1804-R-3.4.4.zip -d /home/shiny/pcago-unified/src/packrat && rm packrat-Ubuntu-1804-R-3.4.4.zip

RUN mkdir -p /home/shiny/pcago-unified/src/packrat/lib-R && mkdir -p /home/shiny/pcago-unified/src/packrat/lib-ext
RUN echo "source('packrat/init.R')" > .Rprofile

# Create shiny configuration
RUN cat >/etc/shiny-server/shiny-server.conf <<EOF
  # Instruct Shiny Server to run applications as the user "shiny"
  run_as shiny;
  # Magical config settings to prevent bugs with Apache reverse proxy
  disable_protocols websocket xdr-streaming xhr-streaming iframe-eventsource iframe-htmlfile;
  # Prevent insanely low disconnect time
  http_keepalive_timeout 1800;
  server {
    run_as shiny;
    listen 8000;
    app_init_timeout 1800;
    app_idle_timeout 1800;
    # Define a location at the base URL
    location / {
      app_dir /home/shiny/pcago-unified/src;
      log_dir /home/shiny/logs;
    }
  }
EOF

# Run server and R as user shiny, id 999
USER shiny
CMD ["/usr/bin/shiny-server.sh"]