Add Ruby on rails example for ruby docs

[falconcr]

Description

This pull request introduces a comprehensive guide for Dockerizing a Ruby on Rails application. The guide is intended to help developers quickly and easily containerize their Rails apps, ensuring consistent environments and simplifying deployment processes.

Overview

• Setting up Docker and Docker Compose
• Creating a Dockerfile for a Rails application
• Configuring Docker Compose for development and production environments
• Running and managing Dockerized Rails applications
• Testing the app in kubernetes by docker for desktop app.

Related issues or tickets

N/A

Reviews

@craig-osterhout
@usha-mandya

• Technical review
• Editorial review
• Product review

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[craig-osterhout]

It's looking good. A few issues I ran into below.

[craig-osterhout]

Thanks, @falconcr. With the Compose file updates, the line highlighting formatting became misaligned.
Also, related to the ARM issue in GitHub Actions, do know if users using ARM chips on Apple M1/M2 will be able to build locally?

[falconcr]

Thanks, @falconcr. With the Compose file updates, the line highlighting formatting became misaligned. Also, related to the ARM issue in GitHub Actions, do know if users using ARM chips on Apple M1/M2 will be able to build locally?

Hello @craig-osterhout , I applied the lastest feedback and about your question, yes they can. I requested one friend to build the image following the code repo and was able, he has a Apple M1:

[craig-osterhout]

Thank you. LGTM.