Update dockerfile

dockerfile

@@ -0,0 +1,53 @@
+# Stage 1: Builder for Python dependencies
+FROM python:3.11-slim as builder
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    python3-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+RUN pip install --user --no-cache-dir -r requirements.txt
+
+# Stage 2: Runtime image
+FROM python:3.11-slim
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    libgl1 \
+    libglib2.0-0 \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY --from=builder /root/.local /root/.local
+
+ENV PATH=/root/.local/bin:$PATH \
+    PYTHONUNBUFFERED=1 \
+    PYTHONPATH=/app \
+    TF_CPP_MIN_LOG_LEVEL=3 \
+    TF_ENABLE_ONEDNN_OPTS=0
+
+RUN mkdir -p /app/model_cache /app/temp_models \
+    && chmod -R a+rwx /app/model_cache /app/temp_models
+
+ENV HF_HOME=/app/model_cache \
+    XDG_CACHE_HOME=/app/model_cache \
+    TEMP_MODEL_DIR=/app/temp_models
+
+COPY . .
+
+# Hugging Face requires port 7860
+EXPOSE 7860
+
+HEALTHCHECK --interval=30s --timeout=30s --start-period=60s --retries=3 \
+    CMD curl -f http://localhost:7860/status/ || exit 1
+
+RUN useradd -m appuser \
+    && chown -R appuser:appuser /app \
+    && chmod -R a+rwx /app/model_cache /app/temp_models
+USER appuser
+
+CMD ["uvicorn", "API_main:app", "--host", "0.0.0.0", "--port", "7860"]