Write an example dockerfile with 2 CMD, 2 ENTRYPOINT and 1 CMD/1 ENTRYPOINT and write down behavior of it.

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root@ip-172-31-28-155:/home/ubuntu/srm# cat dockerfile_multi
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 install git -y && apt-get install -yq apache2
CMD echo "Hello CMD 1"
ENTRYPOINT ["/bin/echo", "Hello Entry 1"]

root@ip-172-31-28-155:/home/ubuntu/srm# docker run -it image_multi
Hello Entry 1 /bin/sh -c echo "Hello CMD 1"

root@ip-172-31-28-155:/home/ubuntu/srm# cat  dockerfile_multi
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 install git -y && apt-get install -yq apache2
CMD echo "Hello CMD 1"
CMD echo "Hello CMD 2"

root@ip-172-31-28-155:/home/ubuntu/srm# docker run -it image_multi
Hello CMD 2

root@ip-172-31-28-155:/home/ubuntu/srm# cat  dockerfile_multi
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 install git -y && apt-get install -yq apache2
ENTRYPOINT ["/bin/echo", "Hello Entry 1"]
ENTRYPOINT ["/bin/echo", "Hello Entry 2"]

root@ip-172-31-28-155:/home/ubuntu/srm# docker run -it image_multi
Hello Entry 2