The latest articles on Forem by Farras El-Fahd (@frsfahd). https://forem.com/frsfahd https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F1775017%2F272e2c5a-662d-4dd2-ae74-88556c1133a6.jpeg https://forem.com/frsfahd en Farras El-Fahd Sun, 15 Feb 2026 03:46:14 +0000 https://forem.com/frsfahd/dockergen-24e3 https://forem.com/frsfahd/dockergen-24e3 <p><em>This is a submission for the <a href="https://dev.to/challenges/github-2026-01-21">GitHub Copilot CLI Challenge</a></em></p> <h2> What I Built </h2> <p>Dockergen, a CLI tool that generates Dockerfile/Containerfile templates in seconds. It started as a way to remove repetitive setup work for Node.js and Python projects. The MVP focuses on speed and correctness: an interactive generator and an auto-detection mode that inspects a project to pick sensible defaults.</p> <h2> Demo </h2> <p>Repo: <a href="https://github.com/frsfahd/dockergen" rel="noopener noreferrer">https://github.com/frsfahd/dockergen</a></p> <p>Quick demo:<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>dockergen generate dockergen autogen </code></pre> </div> <p>Both commands output a production-ready multi-stage Dockerfile with defaults tuned to the detected runtime.</p> <p><code>generate</code> is interactive: it asks you questions and uses your answers (or flags) to build the Dockerfile.</p> <p><code>autogen</code> is automatic: it inspects the current project (package.json, requirements, lockfiles, version files) to infer language/framework, ports, start/build commands, and then generates the Dockerfile with those defaults.</p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fng6og7ezgthad0hggbq0.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fng6og7ezgthad0hggbq0.png" alt="generate command" width="711" height="280"></a><br> <a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F8vp2t7vtfdv2lgw2e5e8.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F8vp2t7vtfdv2lgw2e5e8.png" alt="autogen command" width="731" height="162"></a></p> <h2> My Experience with GitHub Copilot CLI </h2> <p>Copilot CLI helped me iterate fast. I used it to scaffold the Cobra-based commands, design the generator template flow, and build a lightweight auto-detection module. It was especially helpful for wiring the CLI flags and keeping the implementation focused on MVP scope while still following best practices.</p> devchallenge githubchallenge cli githubcopilot