Update Dockerfile

Dockerfile

@@ -1,32 +1,26 @@
 FROM python:3.11-slim
 
-WORKDIR /app
-COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
-
-# OS deps
+# System deps for ffmpeg & audio
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    ffmpeg libsndfile1 && rm -rf /var/lib/apt/lists/*
+    ffmpeg libsndfile1 ca-certificates \
+  && rm -rf /var/lib/apt/lists/*
 
-# Writable caches for HF & general
+# App dir
+WORKDIR /app
+
+# Writable cache path for HF models
 ENV HF_HOME=/data/hf
 ENV HUGGINGFACE_HUB_CACHE=/data/hf
-ENV XDG_CACHE_HOME=/data/.cache
-ENV HF_HUB_DISABLE_TELEMETRY=1
-ENV HF_HUB_DISABLE_PROGRESS_BARS=1
-
-RUN mkdir -p /data/hf /data/.cache && chmod -R 777 /data
+ENV TRANSFORMERS_CACHE=/data/hf
+RUN mkdir -p /data/hf && chmod -R 777 /data
 
-# ---- PRE-FETCH MODEL AS ROOT, THEN FIX PERMS ----
-RUN python - <<'PY'
-from faster_whisper.utils import download_model
-download_model("tiny.en", cache_dir="/data/hf")
-print("Model pre-fetched into /data/hf")
-PY
-# make sure runtime user can read/write the cache
-RUN chmod -R 777 /data
+# Python deps
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
 
+# App
 COPY app.py .
 
+# Expose port expected by HF Spaces
 ENV PORT=7860
 CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]