Course structure
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You should be able to demonstrate these skills and abilities:
- Implement images using Podman
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- Understand and use FROM (the concept of a base image) instruction.
- Understand and use RUN instruction.
- Understand and use ADD instruction.
- Understand and use COPY instruction.
- Understand the difference between ADD and COPY instructions.
- Understand and use WORKDIR and USER instructions.
- Understand security-related topics.
- Understand the differences and applicability of CMD vs. ENTRYPOINT instructions.
- Understand ENTRYPOINT instruction with param.
- Understand when and how to expose ports from a Containerfile.
- Understand and use environment variables inside images.
- Understand ENV instruction.
- Understand container volume.
- Mount a host directory as a data volume.
- Understand security and permissions requirements related to this approach.
- Understand the lifecycle and cleanup requirements of this approach.
- Manage images
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- Understand private registry security.
- Interact with many different registries.
- Understand and use image tags
- Push and pull images from and to registries.
- Back up an image with its layers and meta data vs. backup a container state.
- Run containers locally using Podman
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- Run containers locally using Podman
- Get container logs.
- Listen to container events on the container host.
- Use Podman inspect.
- Specifying environment parameters.
- Expose public applications.
- Get application logs.
- Inspect running applications.
- Run multi-container applications with Podman
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- Create application stacks
- Understand container dependencies
- Working with environment variables
- Working with secrets
- Working with volumes
- Working with configuration
- Troubleshoot containerized applications
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- Understand the description of application resources
- Get application logs
- Inspect running applications
- Connecting to running containers
As with all Red Hat performance-based exams, configurations must persist after reboot without intervention.
During the exam you may be required to work with one or more pre-written applications. You will not be required to modify application code however in some cases you may need to utilize supplied documentation in order to produce a new deployment of a given application.
