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esh-pfi-infrastructure/stacks/parakeet-nemo/compose.yaml
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# Parakeet ASR via NeMo torch (unified-en-0.6b, bf16 weights) + our own thin FastAPI wrapper.
#
# Replacement seat for stacks/parakeet (sherpa-onnx int8). Same port (:8300), same endpoints,
# same body — LiteLLM and `talk` need no change. Rollback: stop this container, start the old
# `parakeet` one (kept; container and image both intact).
#
# HOST: fv-ml1, GPU 0.
#
# ⚠ GPU 0 room came from gen-small's util SLACK, not its KV: util went 0.48 -> 0.36 (now 0.33 in its .env),
# and the KV is byte-pinned (unchanged at 670,142 tokens). Plan GPU 0 against this seat's STEADY STATE of
# 3,582 MiB (the torch cache after a long, windowed request), not its at-rest figure; that leaves Free ~385 MiB
# (the old seat held 1,690 MiB). Do not raise that util back without re-measuring nvidia-smi Free
# on GPU 0 — util does not predict resident VRAM (see the 09-15 note in gen-small-seat/.env).
#
# ⚠ Weights: /tank/aimodels/huggingface mounted READ-ONLY. nvidia/parakeet-unified-en-0.6b @
# fe53cd885760c96b6a5f51a0bfd362cb4584a98b. HF_HUB_OFFLINE=1 in the image: the seat never phones home.
#
# API (identical to the replaced seat):
# POST /transcribe — multipart file upload, returns {"text": "..."}
# POST /v1/audio/transcriptions — same body, OpenAI-compatible path alias
# GET /healthz
#
# All tunables live in .env — edit that, not this file.
services:
parakeet-nemo:
image: local/parakeet-nemo:${PARAKEET_NEMO_TAG}
container_name: parakeet-nemo
restart: unless-stopped
ports:
- "${PARAKEET_NEMO_BIND:-0.0.0.0}:${PARAKEET_NEMO_PORT}:8000"
environment:
- MODEL_PATH=/hf/hub/models--nvidia--parakeet-unified-en-0.6b/snapshots/${PARAKEET_NEMO_REV}/parakeet-unified-en-0.6b.nemo
- WARMUP_SECONDS=${PARAKEET_NEMO_WARMUP:-1,8,60}
- LOG_LEVEL=${PARAKEET_NEMO_LOG_LEVEL:-INFO}
volumes:
- /tank/aimodels/huggingface:/hf:ro
deploy:
resources:
reservations:
devices:
- driver: nvidia
device_ids: ["${PARAKEET_NEMO_GPU:-0}"]
capabilities: [gpu]
networks:
- tnet
healthcheck:
test: ["CMD-SHELL", "wget -q -O /dev/null http://localhost:8000/healthz || exit 1"]
interval: 30s
timeout: 10s
retries: 3
# Import-time model load + three warm-up decodes; no download (weights are mounted).
start_period: 240s
labels:
- homepage.group=AI - Audio Tools
- homepage.name=Parakeet ASR (NeMo)
- homepage.icon=mdi-microphone
- homepage.description=Parakeet-unified-en speech-to-text via NeMo bf16 (fv-ml1 GPU 0)
- homepage.href=http://10.251.50.54:${PARAKEET_NEMO_PORT}
networks:
tnet:
name: traefik-net
external: true