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Ansible Docker_image Build ARGS

Ansible is a powerful tool for managing and configuring systems. One of its key features is the ability to work with Docker, through modules like docker_image.

This module lets us build Docker images with ease. It also lets us pass build arguments for customization.

To get started, we need to have the Docker SDK for Python installed. If it is not already installed, we can use these commands:

pip install docker

Then, we will create an Ansible playbook that defines the tasks for building a Docker image.

For example:

- name: Build Docker Image
hosts: localhost
tasks:
- name: Build Docker Image
docker_image:
name: myapp
path: /path/to/dockerfile
buildargs:
ARG_NAME: arg_value


Here, we need to replace “/path/to/dockerfile” with the path to your Dockerfile. The `buildargs` parameter lets us specify build arguments, where `ARG_NAME` is the name of the argument used in our Dockerfile, and `arg_value` is the value we want to set for that argument.

Before running the playbook, make sure the Dockerfile is configured to use the build arguments.

For example:
ARG ARG_NAME
# Use ARG_NAME in the Dockerfile as needed


Finally, execute the Ansible playbook with the `ansible-playbook` command:

ansible-playbook your_playbook.yml

So, this command will trigger the Docker image build process, using the specified build arguments. We can adjust the playbook and Dockerfile as per our needs.

With Ansible’s docker_image module and build arguments, we can easily build customized Docker images. Let us know in the comments if you need further help with the Docker image build process.

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Conclusion

In brief, our Support Experts introduced us to Ansible Docker_image Build ARGS and how to use them up.