docker-debian-repository/scripts/start.sh

#!/bin/sh

# Many thanks to John Fink <john.fink@gmail.com> for the 
# inspiration and to his great work on docker-wordpress' 

# reset root password

# let's create a user to SSH into
SSH_USERPASS=`pwgen -c -n -1 8`
mkdir /home/user
useradd -G sudo -d /home/user -s /bin/bash user 
chown user /home/user
echo "user:$SSH_USERPASS" | chpasswd
echo "ssh user password: $SSH_USERPASS"

# pre-fill with SSH keys
echo "Pre-loading SSH keys from /docker/keys"
mkdir -p /home/user/.ssh
rm -f /home/user/.ssh/authorized_keys
for key in /docker/keys/*.pub ; do
	echo "- adding key $key"
	cat $key >> /home/user/.ssh/authorized_keys
done
chown -R user /home/user/.ssh

# load cron
CRONFILE=`mktemp`
cat > $CRONFILE <<EOF
* * * * * echo "pif" >> /home/user/pif.log
EOF
crontab -u user $CRONFILE
rm -f $CRONFILE

supervisord -n