Remove postinst on cron and beanstalkd.

util/docker/web/buildconfig

@@ -2,3 +2,21 @@ export LC_ALL=C
 export DEBIAN_FRONTEND=noninteractive
 
 minimal_apt_get_install='apt-get install -y --no-install-recommends'
+
+install_without_postinst() {
+    local PACKAGE
+    PACKAGE=$1
+
+    mkdir -p /tmp/install_$PACKAGE
+    cd /tmp/install_$PACKAGE
+    
+    apt-get download $PACKAGE
+    dpkg --unpack $PACKAGE*.deb
+    rm -f /var/lib/dpkg/info/$PACKAGE.postinst
+    dpkg --configure $PACKAGE
+
+    apt-get install -yf #To fix dependencies
+
+    cd /
+    rm -rf /tmp/install_$PACKAGE
+}

util/docker/web/setup/beanstalkd.sh

@@ -3,11 +3,6 @@ set -e
 source /bd_build/buildconfig
 set -x
 
-apt-get update
+$minimal_apt_get_install netbase
 
-# Prevent systemd auto-startup
-ln -s /dev/null /etc/systemd/system/beanstalkd.service
-
-echo "STARTTIME=30" > /etc/default/beanstalkd
-
-$minimal_apt_get_install -o Dpkg::Options::="--force-confdef" beanstalkd
+install_without_postinst beanstalkd

util/docker/web/setup/cron.sh

@@ -3,10 +3,7 @@ set -e
 source /bd_build/buildconfig
 set -x
 
-# Prevent systemd auto-startup
-ln -s /dev/null /etc/systemd/system/cron.service
-
-$minimal_apt_get_install cron
+install_without_postinst cron
 
 chmod 600 /etc/crontab