AWS News Auto-Poster

Overview

Fetches articles from multiple RSS feeds (AWS official, Classmethod, Zenn, Qiita) within 14 days, removes duplicates with staged filters. Converts tone to match @Zer0_Infra style using Amazon Bedrock and auto-posts to X. Implements time-based posting style branching and dynamic hashtag generation.

Architecture

Key Implementation Points

• Fetches 4 RSS feeds in parallel, filters to articles within 14 days using staged deduplication
• Switches Bedrock prompts between morning and evening to match appropriate tone
• Tracks posted URLs in SSM Parameter Store to prevent duplicate posts
• Dynamically generates relevant hashtags for each post

Tech Stack