Your Own Semantic Search Engine for $2/Month: Amazon S3 Vectors

Overview I have accumulated the usual digital junk drawer over the years: manuals for appliances I never remember how to reset notes from talks and courses markdown snippets from side projects receipts and invoices I swear I will organize properly one day little technical writeups saved with filenames like final-v3-real-final.md What I wanted was not full-blown enterprise search. I wanted something much smaller and much more useful: semantic search over my own documents, with a cost profile that does not feel absurd for a personal project. ...

December 8, 2025 · 6 min

HAL: AWS s3-sns based single-slack-command bot to handle your VPC

Introduction I recently build a Slack command to help me handle actions on my VPC. The only thing you need is an AWS account - Free Tier it’s ok. I recently wrote about how to maximize resources, with particular focus on the number of hours you have in Free Tier - using specific CloudWatch Rules. In this article, I want to describe how I extended my architecture to invoke actions - potentially, all the action provided by Amazon Web Services official SDK(s) - with a single Slack command. I decided to call this slack command HAL because I think it’s a really dangerous command 😜 ...

March 24, 2018 · 10 min