Create Dockerfile

Dockerfile

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+# Use Python base
+FROM python:3.10
+
+# Set up user
+RUN useradd -m -u 1000 user
+USER user
+ENV PATH="/home/user/.local/bin:$PATH"
+
+# Set work directory
+WORKDIR /app
+
+# Copy backend requirements and install
+COPY --chown=user ./backend/requirements.txt ./backend/requirements.txt
+RUN pip install --no-cache-dir -r ./backend/requirements.txt
+
+# Copy whole project
+COPY --chown=user . .
+
+# Run FastAPI app
+CMD ["uvicorn", "backend/app/main:app", "--host", "0.0.0.0", "--port", "7860"]