Migrate from Next.js to Flask: Complete motorcycle adventure community website

- Replace Next.js/React implementation with Python Flask
- Add colorful blue-purple-teal gradient theme replacing red design
- Integrate logo and Transalpina panoramic background image
- Implement complete authentication system with Flask-Login
- Add community features for stories and tracks sharing
- Create responsive design with Tailwind CSS
- Add error handling with custom 404/500 pages
- Include Docker deployment configuration
- Add favicon support and proper SEO structure
- Update content for Pensiune BuonGusto accommodation
- Remove deprecated Next.js files and dependencies

Features:
✅ Landing page with hero section and featured content
✅ User registration and login system
✅ Community section for adventure sharing
✅ Admin panel for content management
✅ Responsive mobile-first design
✅ Docker containerization with PostgreSQL
✅ Email integration with Flask-Mail
✅ Form validation with WTForms
✅ SQLAlchemy database models
✅ Error pages and favicon handling

Dockerfile

@@ -0,0 +1,29 @@
+FROM python:3.11-slim
+
+WORKDIR /opt/site/flask-moto-adventure
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    gcc \
+    postgresql-client \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements and install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY . .
+
+# Create uploads directory
+RUN mkdir -p uploads/images uploads/gpx
+
+# Create non-root user
+RUN adduser --disabled-password --gecos '' appuser && chown -R appuser:appuser /opt/site/flask-moto-adventure
+USER appuser
+
+# Expose port
+EXPOSE 5000
+
+# Run the application with Gunicorn
+CMD ["gunicorn", "--bind", "0.0.0.0:5000", "--workers", "4", "--timeout", "120", "run:app"]