Create Dockerfile

Dockerfile

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+FROM python:3.11
+
+# Create a non-root user
+RUN useradd -m -u 1000 user
+USER user
+ENV PATH="/home/user/.local/bin:$PATH"
+
+# Set working directory
+WORKDIR /app
+
+# Copy only the requirements file first to install deps
+COPY --chown=user src/requirements.txt ./requirements.txt
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
+# Copy the entire project (src + root files like .db)
+COPY --chown=user . .
+
+# Set environment variable for Flask app location
+ENV FLASK_APP=src/main.py
+
+# Run the Flask app directly
+CMD ["python", "src/main.py"]