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+FROM python:3.10-slim
+
+# 1. Install system dependencies from your old file
+RUN apt-get update && apt-get install -y \
+    libsndfile1 \
+    ffmpeg \
+    sox \
+    curl \
+    git-lfs \
+    pkg-config \
+    libfreetype6-dev \
+    libpng-dev \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+# 2. Create non-root user
+RUN useradd -m appuser
+
+# 3. Create directory structure (with proper ownership)
+RUN mkdir -p \
+    /tmp/matplotlib \
+    /tmp/fontconfig \
+    /tmp/lhotse \
+    /app/uploads \
+    /app/processed_audio \
+    /app/assets && \
+    chown -R appuser:appuser /app /tmp/matplotlib /tmp/fontconfig /tmp/lhotse
+
+# 4. Set working directory
+WORKDIR /app
+
+# 5. Copy application files with correct ownership
+COPY --chown=appuser:appuser . .
+
+# 6. Set environment variables from your old file
+ENV MPLCONFIGDIR=/tmp/matplotlib \
+    FONTCONFIG_PATH=/tmp/fontconfig \
+    LHOTSE_CACHE_DIR=/tmp/lhotse \
+    HF_HUB_ENABLE_HF_TRANSFER=1 \
+    PYTHONUNBUFFERED=1
+
+# 7. Install Python dependencies as non-root user
+USER appuser
+RUN pip install --upgrade pip && \
+    pip install --no-cache-dir -r requirements.txt && \
+    python -m spacy download en_core_web_sm && \
+    pip check
+
+# 8. Health check - MODIFIED to use the new /health endpoint
+HEALTHCHECK --interval=30s --timeout=10s \
+    CMD curl -f http://localhost:7860/health || exit 1
+
+# 9. Run the application - MODIFIED to use Uvicorn for FastAPI
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]