I Built a GitHub Action That Writes and Publishes a DEV.to Post Every Morning

Description and use

Daily automated publishing of unique engineering articles on DEV.to using GitHub Actions and Gemini, covering trend selection, LLM generation, validation, and history tracking.

Problem

How to publish a technical blog post automatically every day without manual writing or publishing.

Outcome

Daily automated publishing of unique, trend‑driven engineering articles on DEV.to with zero manual intervention.

Workflow

• Schedule GitHub Actions at 02:30 UTC
• Checkout repo
• Set up Python 3.12
• Install requests and google-genai
• Call DEV.to API for rising articles
• Select trend and generate topic via Gemini API
• Validate JSON structure, length, tags, and duplicate check against topic_history.json
• Publish article to DEV.to using API key
• Commit and push updated topic_history.json

Evidence

Every morning, a GitHub Actions workflow wakes up.

Source

It checks what engineers are currently talking about on DEV.to.

Source

The LLM proposes an original engineering angle and writes the article.

Source