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How AWS EventBridge and DynamoDB Enabled a Fully Autonomous Social Media Bot

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A developer completed the automation of WizardThoughts, a self-publishing social media platform, by integrating AWS EventBridge, DynamoDB, and a series of Lambda functions into a continuous pipeline. DynamoDB evolved from a simple storage layer into a central state-management system, tracking each post through statuses like Pending and Published to coordinate independent services. EventBridge schedules trigger content generation, image creation via Stability AI, and publishing to X every six hours — all without manual input. A persistent authentication hurdle arose when image uploads to X repeatedly returned 401 and 403 errors, unlike text tweets which worked fine. Switching to OAuth 1.0a credentials resolved the issue, allowing the fully automated pipeline to publish both text and images without human intervention.

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