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+# Stage 1: Build
+FROM python:3.11 AS builder
+
+WORKDIR /app
+
+# Copy only dependency files first for better caching
+COPY requirements.txt /app/
+RUN pip install --no-cache-dir --upgrade pip && pip install --no-cache-dir -r requirements.txt
+
+# Stage 2: Final image
+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Copy installed dependencies from builder stage
+COPY --from=builder /usr/local/lib/python3.11/site-packages /usr/local/lib/python3.11/site-packages
+COPY --from=builder /usr/local/bin /usr/local/bin
+
+# Copy application files
+COPY ./app /app
+
+# Set environment variables
+ENV PYTHONUNBUFFERED=1
+
+# Expose API port
+EXPOSE 8000
+
+# Default command
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]