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+# ------------------------------
+# 1. Base image
+# ------------------------------
+FROM python:3.10-slim
+
+# Prevent Python from buffering stdout/stderr
+ENV PYTHONUNBUFFERED=1
+
+# Set work directory
+WORKDIR /app
+
+# ------------------------------
+# 2. Install system dependencies
+# ------------------------------
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        build-essential \
+        libpq-dev \
+        && rm -rf /var/lib/apt/lists/*
+
+# ------------------------------
+# 3. Copy project files
+# ------------------------------
+COPY requirements.txt /app/
+
+# ------------------------------
+# 4. Install Python dependencies
+# ------------------------------
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the entire project
+COPY . /app/
+
+# ------------------------------
+# 5. Expose port (Cloud Run uses $PORT)
+# ------------------------------
+EXPOSE 8080
+
+# ------------------------------
+# 6. Set environment variable for Cloud Run
+# ------------------------------
+ENV PORT=8080
+
+# ------------------------------
+# 7. Run Django using gunicorn (production)
+# ------------------------------
+CMD ["gunicorn", "simple_django_project.wsgi:application", "--bind", "0.0.0.0:8080"]