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magnusandClaude Opus 4.6 c999d831e7 Rewrite btcprice from Clojure to Python FastAPI

Replace the Clojure Kit application with a Python FastAPI app that
produces identical HTML output. WebSocket proxy, Danish number
formatting, and HTMX integration all preserved.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-03-13 12:33:03 +01:00

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btcprice

Bitcoin price tracker UI — Python FastAPI web application. Serves the HTML/Tailwind UI. Connects to btcdata for live price data via WebSocket.

Build & Development Commands

make run — Start dev server on port 4000
make tailwind — Watch Tailwind CSS for changes
make test — Run tests

Docker

Docker runs alongside local dev on different ports:

Service	Local dev	Docker
btcprice	localhost:4000	localhost:4041
btcdata	localhost:4100	localhost:4101

btcprice's docker-compose includes btcdata via include: ../btcdata/docker-compose.yml.

Architecture

Framework: FastAPI
Server: Uvicorn
Templates: Inline HTML strings + HTMX (WebSocket extension)
Styling: Tailwind CSS v4
Data backend: btcdata (separate service at BTCDATA_URL, default http://localhost:4100)
No database — all data comes from btcdata

Source Layout

app/
└── main.py    # FastAPI app: routes, WebSocket proxy, HTML rendering