mobile api changes + docker image basics

docker/service/cutler/apache2/etc/cron.d/.placeholder

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+# DO NOT EDIT OR REMOVE
+# This file is a simple placeholder to keep dpkg from removing this directory

docker/service/cutler/apache2/etc/cron.d/certbot

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+# /etc/cron.d/certbot: crontab entries for the certbot package
+#
+# Upstream recommends attempting renewal twice a day
+#
+# Eventually, this will be an opportunity to validate certificates
+# haven't been revoked, etc.  Renewal will only occur if expiration
+# is within 30 days.
+#
+# Important Note!  This cronjob will NOT be executed if you are
+# running systemd as your init system.  If you are running systemd,
+# the cronjob.timer function takes precedence over this cronjob.  For
+# more details, see the systemd.timer manpage, or use systemctl show
+# certbot.timer.
+SHELL=/bin/sh
+PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
+
+#0 */12 * * * root test -x /usr/bin/certbot -a \! -d /run/systemd/system && perl -e 'sleep int(rand(43200))' && certbot -q renew
+# renew certification on the 1th of each month at 4:00 am
+0 4 1 * *  certbot -q renew

docker/service/cutler/apache2/etc/cron.d/php

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+# /etc/cron.d/php@PHP_VERSION@: crontab fragment for PHP
+#  This purges session files in session.save_path older than X,
+#  where X is defined in seconds as the largest value of
+#  session.gc_maxlifetime from all your SAPI php.ini files
+#  or 24 minutes if not defined.  The script triggers only
+#  when session.save_handler=files.
+#
+#  WARNING: The scripts tries hard to honour all relevant
+#  session PHP options, but if you do something unusual
+#  you have to disable this script and take care of your
+#  sessions yourself.
+
+# Look for and purge old sessions every 30 minutes
+09,39 *     * * *     root   [ -x /usr/lib/php/sessionclean ] && /usr/lib/php/sessionclean