Improved README explanation for beginners

[akashnath-2000]

What

• Added a beginner-friendly explanation for the Geodesic installation command in README.md.

Why

• Helps new contributors understand what the Docker command does.
• Improves documentation clarity for beginners.

References

• README documentation improvement

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: cebc0f17-1ed4-4c05-b456-1b7b5591ed0a

📥 Commits

Reviewing files that changed from the base of the PR and between f244832 and 46ee8e2.

📒 Files selected for processing (2)

• Dockerfile.custom
• README.md

✅ Files skipped from review due to trivial changes (2)

• README.md
• Dockerfile.custom

---

📝 Walkthrough

Walkthrough

Added non-functional clarifying comments to Dockerfile.custom about ARG vs ENV, rootfs copy, and WORKDIR; updated README Quickstart with a sentence clarifying the docker-run init installs the Geodesic launcher locally and added a blank line before the Newsletter header.

Changes

Docs and build metadata

Layer / File(s)	Summary
Dockerfile build/runtime comments Dockerfile.custom	Explanatory comments added about ARG (build-time) vs ENV (runtime) near the FROM cloudposse/geodesic:$VERSION-$OS line, and comments documenting rootfs/ copying and WORKDIR /workspace.
Quickstart launcher installation clarification README.md	A sentence added after the `docker run --rm cloudposse/geodesic:latest-debian init

🎯 1 (Trivial) | ⏱️ ~2 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately reflects the main change: adding beginner-friendly explanation to README for Geodesic installation.
Description check	✅ Passed	The description is directly related to the changeset, explaining what was added (beginner-friendly explanation) and why (to help new contributors understand).
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.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands and usage tips.}