Initial commit: KeepItGoing task management server

Features:
- Django-based REST API with web interface
- Task management with tags, priorities, and due dates
- Time tracking with start/stop timers
- Subtasks support
- Task filtering (all, today, upcoming, overdue, completed)
- Tag-based organization with color coding
- Sorting by due date and priority
- Auto-assign tags when filtering
- Responsive 3-pane layout (sidebar, task list, detail panel)
- Task sharing between users
- Mobile-responsive design with dark mode support

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Dockerfile

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+# KeepItGoing Server Dockerfile
+FROM python:3.12-slim
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+
+# Set work directory
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    libpq-dev \
+    gcc \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy project
+COPY . .
+
+# Collect static files
+RUN python manage.py collectstatic --noinput --settings=config.settings.selfhosted || true
+
+# Create non-root user
+RUN addgroup --system appgroup && adduser --system --group appuser
+RUN chown -R appuser:appgroup /app
+USER appuser
+
+# Expose port
+EXPOSE 8000
+
+# Run gunicorn
+CMD ["gunicorn", "--bind", "0.0.0.0:8000", "--workers", "4", "config.wsgi:application"]