7days-golang is an educational collection that teaches Go by rebuilding substantial software from scratch in compact, seven-day projects. Its examples emphasize understanding core design ideas rather than relying on finished frameworks. The repository includes Gee, a Gin-like web framework with routing, middleware, templates, and panic recovery. GeeCache demonstrates LRU caching, concurrency, consistent hashing, distributed nodes, single-flight protection, and Protobuf communication. GeeORM covers mapping, queries, hooks, transactions, and migrations. ...