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Dockerfile with 2 CMD, 2 ENTRYPOINT:
File content:
FROM ubuntu
MAINTAINER Sunil << r.s.sunil@gmail.com>>
CMD "World"
CMD echo "DOCKER"
ENTRYPOINT ["/bin/echo", "Hello"]
ENTRYPOINT ["/bin/echo", "Welcome to"]Output:
Welcome to /bin/sh -c echo “DOCKER”
Observations:
- Both CMD and ENTRYPOINT entries will be overwritten with the latest entries.
- That is only the last CMD and ENTRYPOINT will be taken.
- Also the values specified in CMD will be add as an argument to the ENTRYPOINT command.
Dockerfile with 1 CMD, 1 ENTRYPOINT:
File content:
FROM ubuntu
MAINTAINER Sunil << r.s.sunil@gmail.com>>
CMD "World"
ENTRYPOINT ["/bin/echo", "Hello "]Output:
Hello World
Observations:
- Values specified in CMD will be add as an argument to the ENTRYPOINT command.