# use Alpine Linux as the base of our image
FROM alpine

RUN \
	apk update &&\
	# install apache web server
	apk add apache2 curl &&\
	# a configuration file Apache needs
	echo ServerName my-web-server >/etc/apache2/conf.d/localhost.conf

# add a file to the image for our webserver to serve
ADD hello.txt /var/www/localhost/htdocs/hello.txt

# run web-server plus shell when container started
ENTRYPOINT \
	/usr/sbin/httpd &&\
	ash &&\
	killall httpd