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calorie_tracker_app/Dockerfile

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+FROM python:3.10-slim
+
+WORKDIR /app
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+ENV FLASK_APP=app.py
+
+# Install dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY . .
+
+# Create data directory
+RUN mkdir -p /app/data
+
+# Expose port
+EXPOSE 5001
+
+# Run commands to init db, seed data, and start server
+CMD ["sh", "-c", "flask init-db && flask seed-db && gunicorn -w 4 -b 0.0.0.0:5001 app:app"]