--- a
+++ b/breast-cancer-rag-app/backend/Dockerfile
@@ -0,0 +1,41 @@
+# Stage 1: Builder with build dependencies
+FROM python:3.11-slim as builder
+
+# Install system dependencies
+RUN apt-get update && \
+    apt-get install -y \
+    gcc \
+    python3-dev \
+    libssl-dev \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create virtual environment
+RUN python -m venv /opt/venv
+ENV PATH="/opt/venv/bin:$PATH"
+
+# Install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir --upgrade pip && \
+    pip install --no-cache-dir wheel && \
+    pip install --no-cache-dir -r requirements.txt
+
+# Stage 2: Runtime image
+FROM python:3.11-slim
+
+# Copy virtual environment
+COPY --from=builder /opt/venv /opt/venv
+ENV PATH="/opt/venv/bin:$PATH"
+
+# Install runtime dependencies
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    libgomp1 \
+    && rm -rf /var/lib/apt/lists/*
+
+# Application setup
+WORKDIR /app
+COPY . .
+
+EXPOSE 8000
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
\ No newline at end of file