Diagram-first notes on automations, DevOps, and cloud infrastructure by Allan Niñal. Each post centered on a diagram. 2026-04-25T00:00:00Z https://build.allanninal.dev/ Allan Niñal © 2026 Allan Niñal https://build.allanninal.dev/aws-facebook-autoposting-overview/ 2026-04-25T00:00:00Z 2026-04-25T00:00:00Z

A scheduled Facebook poster that stays on-topic, answers questions correctly from a Google Drive knowledge base, and doesn't surprise you with a huge cloud bill. The whole system on one page. Part 1 of 6 in the AWS autoposting series.

https://build.allanninal.dev/how-code-becomes-a-working-system/ 2026-04-25T00:00:00Z 2026-04-25T00:00:00Z

Push to GitHub, walk away. The cloud handles the rest — and never holds a long-lived password. How a private repo becomes a live AWS deployment via OIDC and short-lived credentials. Part 2 of 6.

https://build.allanninal.dev/how-a-post-actually-goes-out/ 2026-04-25T00:00:00Z 2026-04-25T00:00:00Z

Five quick checks between “it's time” and “post is live.” Cheap gates first, expensive gates only when needed — so a faith post never lands on a forex page. Part 3 of 6.

https://build.allanninal.dev/how-the-drive-folder-powers-everything/ 2026-04-25T00:00:00Z 2026-04-25T00:00:00Z

The client edits a Google Doc. The system updates itself — with a safety layer that keeps the old version live if anything looks broken. Part 4 of 6.

https://build.allanninal.dev/how-replies-work-without-making-things-up/ 2026-04-25T00:00:00Z 2026-04-25T00:00:00Z

The bot answers from the client's docs only — or escalates to a human. Citation required, no exceptions. How to build an AI reply pipeline that can't hallucinate. Part 5 of 6.

https://build.allanninal.dev/what-this-all-costs/ 2026-04-25T00:00:00Z 2026-04-25T00:00:00Z

A coffee a month, not a Netflix subscription. Line by line, where the dollars actually go in a serverless Facebook autoposting system on AWS. Part 6 of 6.

https://build.allanninal.dev/engineering-reference/ 2026-04-25T00:00:00Z 2026-04-25T00:00:00Z

Same system as the rest of the series, drawn purely for engineers. Service names, resource identifiers, region, and the actual flow operations — everything you'd need to recreate this in your own AWS account. Part 7 of 7.