Dockerfile

# Use the official PHP image as the base image
FROM php:8.1-fpm

# Install necessary packages for Equalify, including cron and curl
RUN apt-get update \
    && DEBIAN_FRONTEND=noninteractive apt-get -y --no-install-recommends install -y cron curl \
    # Remove package lists for smaller image sizes
    && rm -rf /var/lib/apt/lists/* \
    && docker-php-ext-install pdo pdo_mysql \
    # Install Composer
    && curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer

# Copy the crontab file and entrypoint script into the container
COPY crontab /equalify-cron
COPY entrypoint.sh /entrypoint.sh

# Install the crontab and make the entrypoint script executable
RUN crontab /equalify-cron \
    && chmod +x /entrypoint.sh

# Run the entrypoint script
ENTRYPOINT ["/entrypoint.sh"]

# https://manpages.ubuntu.com/manpages/trusty/man8/cron.8.html
# -f | Stay in foreground mode, don't daemonize.
# -L loglevel | Tell  cron  what to log about jobs (errors are logged regardless of this value) as the sum of the following values:
CMD ["cron", "-f", "-L", "2"]