BFD-3913: Develop Base Container Definition

[malessi]

JIRA Ticket:
BFD-3919

What Does This PR Do?

This PR introduces a Containerfile (generic Dockerfile) to build two separate, but related, Images for our Java-based and Python-based workloads. These Images are based off of AL2023, and include only the necessary dependencies.

What Should Reviewers Watch For?

If you're reviewing this PR, please check for these things in particular:

What Security Implications Does This PR Have?

Please indicate if this PR does any of the following:

• Adds any new software dependencies

• Modifies any security controls

• Adds new transmission or storage of data

• Any other changes that could possibly affect security?

• I have considered the above security implications as it relates to this PR. (If one or more of the above apply, it cannot be merged without the ISSO or team security engineer's (@sb-benohe) approval.)

• I have created tests to sufficiently ensure the reliability of my code, if applicable. If this is a modification to an existing piece of code, I have audited the associated tests to ensure everything works as expected.

Validation

Have you fully verified and tested these changes? Is the acceptance criteria met? Please provide reproducible testing instructions, code snippets, or screenshots as applicable.

• Building both Images locally using podman and running each image with the entrypoint as /bin/sh, verifying that:
  • The Java image has the latest 21 corretto (using java --version)
  • The Python image has Python 3.13 (using python --version)

[mjburling]

Looks great. Thanks!

[aschey-forpeople]

Do we need the python stuff in the java image?