BalanceBoard - Clean release

- Docker deployment ready
- Content aggregation and filtering
- User authentication
- Polling service for updates

🤖 Generated with Claude Code

Dockerfile

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+FROM python:3.12-slim
+
+LABEL maintainer="BalanceBoard"
+LABEL description="BalanceBoard - Content aggregation platform with ethical design"
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    postgresql-client \
+    libpq-dev \
+    gcc \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create non-root user for security
+RUN useradd -m -u 1000 appuser && \
+    mkdir -p /app && \
+    chown -R appuser:appuser /app
+
+# Set working directory
+WORKDIR /app
+
+# Copy requirements first for better caching
+COPY --chown=appuser:appuser requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY --chown=appuser:appuser . .
+
+# Create necessary directories with proper permissions
+RUN mkdir -p \
+    /app/data/posts \
+    /app/data/comments \
+    /app/data/moderation \
+    /app/static/avatars \
+    /app/backups \
+    /app/active_html \
+    && chown -R appuser:appuser /app
+
+# Switch to non-root user
+USER appuser
+
+# Expose Flask port
+EXPOSE 5021
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
+    CMD curl -f http://localhost:5021/ || exit 1
+
+# Set Flask app environment variable
+ENV FLASK_APP=app.py
+
+# Run the application directly with Flask
+# Note: start_server.py has venv checks that don't apply in Docker
+CMD ["python", "-m", "flask", "run", "--host=0.0.0.0", "--port=5021"]