Write a example dockerfile with 1CMD/1ENTRYPOINT

It execute normally. So impact noted due to two entry point or tow CMD

FROM ubuntu
MAINTAINER Rajesh Kumar << rajesh@scmgalaxy.com>>
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update
RUN apt-get -y install tzdata
RUN apt-get update && apt-get install git -y && apt-get install -yq apache2
CMD /usr/sbin/apache2ctl -D FOREGROUND
ENTRYPOINT ["/bin/echo", "Hello444444444444"]

both cmd and entry point cannot come together for a web application