Update Dockerfile

Dockerfile

@@ -1,12 +1,23 @@
+# ── Dockerfile ─────────────────────────────────────────────
 FROM python:3.9-slim
 
+# 1️⃣ Set a writable cache location for 🤗 Transformers
+ENV TRANSFORMERS_CACHE=/app/.cache/transformers
+
+# (optional good practices)
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1
+
 WORKDIR /app
-COPY requirements.txt .
 
-# Install packages system-wide
-RUN pip install --no-cache-dir -r requirements.txt
+# 2️⃣ Make sure the directory actually exists
+RUN mkdir -p $TRANSFORMERS_CACHE
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir --upgrade pip \
+    && pip install --no-cache-dir -r requirements.txt
 
 COPY . .
 
 EXPOSE 8000
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]