rapid interations of server side app and firefox extension

backend/Dockerfile.dev

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+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    gcc \
+    libpq-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application
+COPY . .
+
+# Create data directories
+RUN mkdir -p /data/downloads /data/config /data/cookies
+
+EXPOSE 8080
+
+# Development mode with reload
+CMD ["hypercorn", "app.main:app", "--bind", "0.0.0.0:8080", "--reload"]