Mostly writing code that does stuff... Tue, 20 Oct 2026 20:34:42 +0000 en-US hourly 1 https://ciprian.51k.eu/upld/2019/02/cropped-terminal-icon-32x32.png 32 32 https://ciprian.51k.eu/go-asyncapi-load-asyncapi-3-specs-in-go/ Thu, 15 Oct 2026 21:06:39 +0000 https://ciprian.51k.eu/go-asyncapi-your-asyncapi-spec-is-a-fucking-graph-wearing-a-yaml-costume/go-asyncapi reads AsyncAPI 3 documents in Go and hands you servers, channels, operations and messages as plain structs, with every $ref on the way to them followed across files, every ...]]> https://ciprian.51k.eu/gen-asyncapi-why-am-i-still-hand-typing-websocket-structs/ Thu, 15 Oct 2026 18:25:51 +0000 https://ciprian.51k.eu/gen-asyncapi-stop-hand-typing-your-fucking-websocket-structs/You shouldn’t be, because the AsyncAPI spec already says exactly what every message looks like and a machine can retype it better than you. I wrote gen-asyncapi so an AsyncAPI ...]]> https://ciprian.51k.eu/chatz-generative-ui-ai-chat/ Sun, 16 Aug 2026 07:22:33 +0000 https://ciprian.51k.eu/chatz-generative-ui-ai-chat/Every self-hosted chat UI hands you the same thing: a wall of markdown. You ask the model for last quarter’s numbers, it writes you a table in monospace, and if ...]]> https://ciprian.51k.eu/pr0xteus-disposable-vpn-exits/ Fri, 14 Aug 2026 15:15:12 +0000 https://ciprian.51k.eu/pr0xteus-disposable-vpn-exits/You’ve got some app that needs to leave the building through a VPN. A scraper, a browser bot, some agent poking at sites that would rather it came from somewhere ...]]> https://ciprian.51k.eu/ctxscope-context-scoped-log-attributes-go/ Sat, 08 Aug 2026 20:00:42 +0000 https://ciprian.51k.eu/ctxscope-context-scoped-log-attributes-go/Here’s the code everybody writes. A request comes in, you generate an id, and something a few calls down needs to log it: func handleOrder(ctx context.Context, requestID string, o Order) ...]]> https://ciprian.51k.eu/slogging-configure-search-ship-slog/ Sat, 08 Aug 2026 09:20:58 +0000 https://ciprian.51k.eu/?p=1385Go 1.21 shipped log/slog and it’s good. What it doesn’t ship is any way to configure it, so every service starts with a version of this: var level slog.Level switch ...]]> https://ciprian.51k.eu/essessey-stream-a-turn-anywhere-without-rewriting-it/ Wed, 05 Aug 2026 15:52:01 +0000 https://ciprian.51k.eu/?p=1364The first version streamed over SSE. Then something needed the same turn over NATS, and I found out I’d built the framing into the wrong layer. event: / data: / ...]]> https://ciprian.51k.eu/elelem-say-it-out-loud-youll-get-it/ Tue, 04 Aug 2026 23:53:53 +0000 https://ciprian.51k.eu/elelem-say-it-out-loud-youll-get-it/The moment that decides what kind of library you’re writing is the one where a human has to approve a tool call. Everything is lovely right up until then. The ...]]> https://ciprian.51k.eu/slog-configurator-stdlib-logging-zero-config/ Wed, 29 Apr 2026 23:25:03 +0000 https://ciprian.51k.eu/slog-configurator-stdlib-logging-zero-config/Update, August 2026: this package moved. slog-configurator is now github.com/psyb0t/slogging, where the configurator lives at slogconf/ alongside two handlers it always belonged next to: the searchable in-memory ring at handlers/logring/ ...]]> https://ciprian.51k.eu/docker-proxq-async-http-queue-for-slow-backends/ Wed, 29 Apr 2026 23:23:53 +0000 https://ciprian.51k.eu/docker-proxq-async-http-queue-for-slow-backends/Some HTTP requests take forever. LLM completions, image generation, video transcoding, big report builds, slow webhook processors: they all sit there chewing on something while your reverse proxy in front ...]]>