dockerfile upsource with php composer

upsource Dockerfile

FROM jetbrains/upsource:2020.1.1815

USER root

RUN apt-get update -y && apt-get install -y php
RUN apt-get install -y vim
RUN php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" && \
    php -r "if (hash_file('sha384', 'composer-setup.php') === 'c31c1e292ad7be5f49291169c0ac8f683499edddcfd4e42232982d0fd193004208a58ff6f353fde0012d35fdd72bc394') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;" && \
    php composer-setup.php --install-dir=bin --filename=composer && \
    php -r "unlink('composer-setup.php');"

RUN apt-get install -y unzip php-zip


ADD cert/ /home/jetbrains/.ssh/
RUN chmod -R 600 /home/jetbrains/.ssh/
RUN ssh-keygen -y -f /home/jetbrains/.ssh/id_rsa > /home/jetbrains/.ssh/id_rsa.pub
RUN chown -R jetbrains /home/jetbrains/.ssh/
RUN chgrp -R jetbrains /home/jetbrains/.ssh/

RUN chmod 700 /home/jetbrains/.ssh/

USER jetbrains