Dockerfile

FROM roundcube/roundcubemail:1.6.4-apache
MAINTAINER Andrej Ramašeuski <andrej.ramaseuski@pirati.cz>

RUN set -ex; \
    apt-get update; \
    apt-get install -y --no-install-recommends \
        git \
    ; \
    \
    composer \
        --working-dir=/usr/src/roundcubemail/ \
        --prefer-dist \
        --prefer-stable \
        --update-no-dev \
        --no-interaction \
        --optimize-autoloader \
        require \
            johndoh/contextmenu \
            johndoh/globaladdressbook \
            prodrigestivill/gravatar \
            weird-birds/thunderbird_labels \
    ;

RUN sed -i '/exec "$@"/i composer update -n --no-dev' /docker-entrypoint.sh