Configure cronjob in Docker container

Dockerfile

@@ -3,7 +3,7 @@ FROM php:5.6-apache
 RUN set -x \
 # Install necessary packages
     && apt-get update \
-    && apt-get install -y zip unzip less vim libc-client-dev libkrb5-dev libpng-dev libjpeg-dev \
+    && apt-get install -y zip unzip less vim cron libc-client-dev libkrb5-dev libpng-dev libjpeg-dev \
     && rm -rf /var/lib/apt/list/* \
 # Install PHP extensions
     && docker-php-ext-configure mysql \
@@ -13,7 +13,6 @@ RUN set -x \
     && docker-php-ext-configure gd --with-jpeg-dir=/usr/include \
     && docker-php-ext-install gd \
 # Configure environment
-    && echo "default_charset = ISO-8859-1" > /usr/local/etc/php/conf.d/docker-php-charset.ini \
     && a2enmod rewrite \
 # Remove temporary packages
     && apt-get purge -y --autoremove libc-client-dev libkrb5-dev

install/default/docker/docker-php-charset.ini

@@ -0,0 +1 @@
+default_charset = ISO-8859-1

install/default/docker/docker-php-entrypoint

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -e
+
+service cron start
+
+# first arg is `-f` or `--some-option`
+if [ "${1#-}" != "$1" ]; then
+        set -- apache2-foreground "$@"
+fi
+
+exec "$@"

install/default/docker/kool-scheduler

@@ -0,0 +1 @@
+*/5 * * * * www-data /usr/local/bin/php /var/www/html/scheduler.php

install/setup.sh

@@ -22,6 +22,13 @@
 WEB_UID=www-data
 WEB_GID=www-data
 
+function setup_container() {
+    echo "Setting up container configuration..."
+    cp -f default/docker/docker-php-entrypoint /usr/local/bin
+    cp -f default/docker/docker-php-charset.ini /usr/local/etc/php/conf.d
+    cp -f default/docker/kool-scheduler /etc/cron.d
+}
+
 function dir_config() {
     echo "Preparing ~/config..."
     if [[ ! -d ../config ]]; then mkdir ../config; fi
@@ -80,6 +87,7 @@ function main() {
     cd $(dirname $0)
 
     if [[ $1 == "--docker-build" ]]; then
+        setup_container
         dir_download
         dir_latex
         dir_templates_c
@@ -102,7 +110,7 @@ function main() {
         fi
 
         echo ""
-        echo "Setup finished. Navigate to http://kool.your.tld/install to continue with the webinstaller."
+        echo "Setup finished. Navigate to http://kool.your.tld/install/ to continue with the webinstaller."
         echo ""
     fi
 }