FROM centos:latest
MAINTAINER Jonathan Turner <jt@jtnet.co.uk>

EXPOSE 88

ENTRYPOINT ["/usr/local/sbin/krb5kdc", "-n"]

RUN yum install -y \
  tcpdump krb5-workstation vim \
  ncurses telnet ncurses-devel tcl net-tools \
 && yum groupinstall "Development Tools" -y \
 && yum update -y && yum clean all

ENV KRB5_VER 1.16.1

ADD krb5-${KRB5_VER}.tar.gz /tmp
RUN cd /tmp/krb5-${KRB5_VER}/src && \
  ./configure && make && make install

ADD krb5.conf /etc/krb5.conf
ADD kdc.conf /usr/local/var/krb5kdc/kdc.conf
ADD kadm5.acl /usr/local/var/krb5kdc/kadm5.acl
ADD krb5kdc-init.sh /opt/krb5/bin/krb5kdc-init.sh
RUN mkdir -p /opt/krb5/log && \
  mkdir -p /var/log/kerberos && \
  /bin/bash /opt/krb5/bin/krb5kdc-init.sh && \
  ln -sf /dev/stdout /var/log/krb5kdc.log