using faster-whisper instead of openai whisper

use uv instead of pip

audio_server/Dockerfile

@@ -0,0 +1,29 @@
+FROM ghcr.io/astral-sh/uv:python3.14-trixie-slim AS builder
+ENV UV_COMPILE_BYTECODE=1 UV_LINK_MODE=copy
+ENV UV_NO_DEV=1
+ENV UV_PYTHON_DOWNLOADS=0
+
+COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/
+
+WORKDIR /app
+
+COPY pyproject.toml uv.lock ./
+COPY src src
+
+RUN --mount=type=cache,target=/root/.cache/uv \
+    uv sync --locked
+
+FROM python:3.14.4-slim AS runner
+
+RUN groupadd --system --gid 999 nonroot \
+ && useradd --system --gid 999 --uid 999 --create-home nonroot
+
+COPY --from=builder --chown=nonroot:nonroot /app /app
+
+ENV PATH="/app/.venv/bin:$PATH"
+USER nonroot
+
+WORKDIR /app
+EXPOSE 8000
+COPY logging_config.yaml logging_config.yaml
+CMD ["uvicorn", "audio_server:app", "--host", "0.0.0.0", "--port", "8000", "--log-config", "logging_config.yaml"]