Reverting base image env var

[levon-h-ast]

Summary by CodeRabbit

• Chores
  • Simplified container build configuration.
  • Removed obsolete environment variable references from the build process.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 7b8ebcc6-dd76-401a-b7b1-765fda22dd35

📥 Commits

Reviewing files that changed from the base of the PR and between d69b062 and 059bea2.

📒 Files selected for processing (1)

• Dockerfile.astera

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📝 Walkthrough

Walkthrough

The Dockerfile removes a stage-local PIXI_WITH_CHECKPOINTS_IMAGE redeclaration and the obsolete EXT_REPLAY_BASE_IMAGE environment variable.

Changes

Dockerfile image declaration cleanup

Layer / File(s)	Summary
Remove obsolete image declarations Dockerfile.astera	Removes the stage-local PIXI_WITH_CHECKPOINTS_IMAGE build argument redeclaration and the EXT_REPLAY_BASE_IMAGE environment variable.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Possibly related PRs

• diff-use/sampleworks#244: Both changes update inherited image environment variable handling in Dockerfile.astera.
• diff-use/sampleworks#348: This change removes declarations introduced by that pull request.

Suggested reviewers: mag-astera, abdelsalam-abbas

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the removal of the base image environment variable changes in Dockerfile.astera.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch lh/reverting-base-image-env-var

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