Workdir
Dockerfile
#Baseimage ubuntu 18:04
FROM ubuntu:18.04
#we are the maintainer
MAINTAINER technik@xinux.de
#only run at built
RUN apt-get update && apt-get install -y apache2 && apt-get clean
RUN cp -ar /etc/apache2 /tmp
RUN cp -ar /var/www/html /tmp
COPY start.sh /
#exposed ports
EXPOSE 80
EXPOSE 443
#command that execute in the container
CMD ["bash", "/start.sh"]
our start script
#!/bin/bash
if ! test -f /var/www/html/index.html
then
cp -ar /tmp/html/* /var/www/html/
fi
if ! test -f /etc/apache2/apache2.conf
then
cp -ar /tmp/apache2/* /etc/apache2/
fi
/usr/sbin/apachectl -D FOREGROUND