Dockerfiel demo worker

FROM php:7.2

# Composer
RUN php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" \
    && php -r "if (hash_file('SHA384', 'composer-setup.php') === '544e09ee996cdf60ece3804abc52599c22b1f40f4323403c44d44fdfdd586475ca9813a858088ffbc1f233e9b180f061') { 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');"

# amqp
RUN apt-get update && apt-get install -y librabbitmq-dev libssh-dev \
    && docker-php-ext-install opcache bcmath sockets \
    && pecl install amqp \
    && docker-php-ext-enable amqp

# core tools
RUN apt-get install -y git-core

# php exts
RUN docker-php-ext-install pdo pdo_mysql zip mbstring

RUN mkdir /app

WORKDIR /app

env QUEUE_NAME amqp_default

ENTRYPOINT ["sh", "-c", "/app/bin/console messenger:consume-messages ${QUEUE_NAME} --limit=100 --time-limit=900 -n"]