Add crontab

Install crond daemon.

Look for any files, in the directory /crontab (if exists). Try import
each file as crontab and let it belong to the user, which file name maps
to the username.

Author: rtucek

Dockerfile

@@ -16,7 +16,7 @@ RUN \
     # Install tools, required for building
     apt-get update && \
     apt-get install -y --no-install-recommends \
-        # In general...
+        # For building (will be removed)
         autoconf \
         build-essential \
         curl \
@@ -43,7 +43,10 @@ RUN \
         # For Honcho
         python \
         python-pip \
-        python-pkg-resources && \
+        python-pkg-resources \
+
+        # Fron crontab
+        cron && \
 
     pip install honcho && \
 

Procfile

@@ -1,2 +1,3 @@
 nginx: /usr/local/sbin/nginx
 phpfpm: /usr/local/sbin/php-fpm
+cron: /usr/sbin/cron -f

docker-entrypoint

@@ -22,6 +22,14 @@ if [[ $ENABLE_XDEBUG == "1" ]]; then
     echo "zend_extension = /usr/local/lib/php/extensions/no-debug-non-zts-20160303/xdebug.so" >> /usr/local/lib/php.ini
 fi
 
+# Deploy available crontabs
+if [[ -d /crontab ]]; then
+    for crontab_file in $(ls /crontab); do
+        crontab -u $crontab_file /crontab/$crontab_file
+    done
+fi
+
+# Start Honcho
 if [[ $1 == "server" ]]; then
     exec honcho -d / start
 fi