Make the docker container lighter.

docker/context/hasa.docker

-FROM ubuntu:20.04
+FROM r-base:4.2.1
+RUN apt-get update -y && apt-get install -y gnupg2
 RUN apt-get update -y && \
     echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections && \
     apt-get install -y -q dialog apt-utils && \
@@ -6,37 +7,29 @@ RUN apt-get update -y && \
     apt-get install cmake zlib1g-dev libpng-dev libjpeg-dev -y  && \
     apt-get install wget vim zip unzip curl git jq apt-rdepends -y && \
     apt-get install strace bzip2 cron make gcc -y
+# Be able to get dates
+RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install tzdata
+ENV TZ=Europe/Berlin
+RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
+RUN dpkg-reconfigure --frontend noninteractive tzdata
 # add user hasa
 RUN /bin/bash -i -c "\
-    groupadd -g 1000 hasa && \
-    useradd -g 1000 -u 1000 -m -s $(which bash) hasa && \
+    groupadd -g 1001 hasa && \
+    useradd -g 1001 -u 1001 -m -s $(which bash) hasa && \
     cat /root/.bashrc > /home/hasa/.bashrc \
 "
 # install dependencies
 RUN apt-get update -y && \
-    apt-get install -y libjq-dev protobuf-compiler libprotobuf-dev proj-bin gdal-bin libgdal-dev jq libv8-dev pandoc
+    apt-get install -y libjq-dev protobuf-compiler libprotobuf-dev proj-bin gdal-bin libgdal-dev jq libv8-dev pandoc libsodium-dev libsecret-1-dev libfreetype6-dev fontconfig libfontconfig1-dev r-cran-lubridate
+
 # install R
 RUN /bin/bash -i -c "\
+    fc-cache -f -v && \
     apt-get install -y dirmngr gnupg apt-transport-https ca-certificates software-properties-common && \
-    apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E298A3A825C0D65DFD57CBB651716619E084DAB9 && \
-    add-apt-repository 'deb https://cloud.r-project.org/bin/linux/ubuntu focal-cran40/' && \
-    apt-get install -y r-base \
-"
-# install Python and pip
-RUN /bin/bash -i -c "\
     apt-get install -y software-properties-common && \
-    add-apt-repository ppa:deadsnakes/ppa && \
-    apt-get update -y && \
-    apt-get install -y python3.8 && \
-    apt-get install -y python3-pip \
-"
-# install Python dependencies
-RUN /bin/bash -i -c "\
-    pip3 install geojson \
-"
-# install jupyter-lab and IRkernel
-RUN /bin/bash -i -c "\
-    pip3 install jupyterlab \
+    apt-get install -y texlive-latex-base texlive-latex-recommended texlive-pictures texlive-latex-extra texlive-fonts-extra libharfbuzz-dev libfribidi-dev && \
+    apt-get install -y python3-pip ; pip3 install junit2html && \
+    apt-get install -y qpdf ghostscript r-base \
 "
 # install IRkernel and HaSa
 COPY hasa /home/hasa/HaSa
@@ -44,7 +37,4 @@ COPY install.R /home/hasa/install.R
 RUN /bin/bash -i -c "\
      Rscript /home/hasa/install.R \
 "
-# install Firefox
-RUN apt-get -y install firefox
-RUN apt-get -y install xauth
 EXPOSE 8887