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feat(apps): add whisper-fn, a scale-to-zero STACKIT Functions transcription demo - #35
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KonstantinMKloster wants to merge 2 commits into
Open
KonstantinMKloster wants to merge 2 commits into
KonstantinMKloster wants to merge 2 commits into
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…iption demo Rebuilds an always-on VM video-transcription demo as a STACKIT Function: downloads a video from S3, transcribes it with openai-whisper, writes the transcript back to S3, and scales to zero when idle instead of billing 24/7.
…ually runnable The fake imageio_ffmpeg path was a non-existent directory already named "ffmpeg", so handler.py's self-symlink step raised FileNotFoundError on every run. Point the stub at a real temp file instead.
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Summary
apps/whisper-fn, a STACKIT Function that transcribes a video from an S3 (Object Storage) bucket withopenai-whisperand writes the transcript back to the same bucket, then scales to zero — as an alternative to running an always-on VM for the same demo.Dockerfile(not Cloud Native Buildpacks) — seeapps/whisper-fn/DECISIONS.mdfor why, along with the model-size (small, notlarge-v3) and plan/concurrency choices.Test plan
docker build+ local smoke test (GET /health,POST /transcribe) against a real S3 bucketpython3 test_handler_local.py(routing/upload logic test, dependencies stubbed, no Docker needed)python3 .github/scripts/check_readme_tags.pypassespython3 .github/scripts/generate_agents_md.pyrun,AGENTS.mdupdated and included in this PR