# use latest roundcubemail container
FROM docker.io/roundcube/roundcubemail:1.6.4-apache

# prepare basic stuff
RUN set -e && ln -sf bash /bin/sh
RUN set -e \
      && apt -y update \
      && apt -y upgrade \
      && apt -y install --no-install-recommends --no-install-suggests ca-certificates git \
      && apt -y autoremove \
      && apt clean \
      && rm -rf /var/lib/apt/lists/*

# install plugins using composer
RUN set -e \
      && /usr/bin/composer \
        --working-dir=/usr/src/roundcubemail/ \
        --prefer-dist \
        --prefer-stable \
        --update-no-dev \
        --no-interaction \
        --optimize-autoloader \
        --quiet \
        require \
          johndoh/contextmenu