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Running Docker Build from Jenkins, replace hardcoded Inputs in Dockerfile with parameters

I want to run docker builds from a jenkis server, in case of this I want to specify some Inputs like passwords or path in the dockerfile as variables.

Is there a way to specify parameters for the docker build command and use this parameters as variables?

A case would be the mysql root password.

echo "mysql-server mysql-server/root_password password <<VARIABLE>>" | sudo debconf-set-selections
echo "mysql-server mysql-server/root_password_again password <<VARIABLE>>" | sudo debconf-set-selections

Thanks for your help

about 4 years ago · Santiago Trujillo

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Accepted Answer · 2022-06-13T19:40:52.884Z

You can use --build-args (link)

example:

FROM ubuntu:16.04
ARG MY_ARG
RUN ... ${MY_ARG}

and then

docker build --build-arg MY_ARG=value

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Running Docker Build from Jenkins, replace hardcoded Inputs in Dockerfile with parameters

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Andres GPT