If you didn't already see https://news.ycombinator.com/item?id=44878151 https://news.ycombinator.com/item?id=44878151 (Building a web search engine from scratch

If you didn't already see https://news.ycombinator.com/item?id=44878151 https://news.ycombinator.com/item?id=44878151 (Building a web search engine from scratch in two months with 3 billion neural embeddings), then you might enjoy it, even if it's way overkill for your use case.