Add complete frontend implementation and Docker deployment setup

- Implement React frontend with TypeScript and Tailwind CSS
- Add scrappbook.de-inspired UI design with photo galleries
- Implement authentication, photo viewing, and download features
- Add Docker Swarm configuration with Traefik reverse proxy
- Set up Drone CI/CD pipeline for automated deployments
- Add monitoring stack with Prometheus and Grafana
- Create comprehensive deployment documentation
- Add simple local development setup with docker-compose.local.yml

Features:
- Password-protected galleries with expiration warnings
- Responsive photo grid with lightbox viewer
- Bulk download functionality
- Hot reload development environment
- Email testing with Mailhog
- Production-ready deployment scripts

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

Co-Authored-By: Claude <[email protected]>

frontend/Dockerfile

@@ -0,0 +1,54 @@
+# Build stage
+FROM node:18-alpine AS builder
+
+# Set working directory
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies
+RUN npm ci --legacy-peer-deps
+
+# Copy source files
+COPY . .
+
+# Build the application
+RUN npm run build
+
+# Production stage
+FROM nginx:alpine
+
+# Install runtime dependencies
+RUN apk add --no-cache curl
+
+# Remove default nginx config
+RUN rm -rf /etc/nginx/conf.d/*
+
+# Copy custom nginx config
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+# Copy built application from builder stage
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+# Create non-root user
+RUN addgroup -g 101 -S nginx && \
+    adduser -S -D -H -u 101 -h /var/cache/nginx -s /sbin/nologin -G nginx -g nginx nginx && \
+    chown -R nginx:nginx /usr/share/nginx/html && \
+    chown -R nginx:nginx /var/cache/nginx && \
+    chown -R nginx:nginx /var/log/nginx && \
+    touch /var/run/nginx.pid && \
+    chown -R nginx:nginx /var/run/nginx.pid
+
+# Expose port
+EXPOSE 80
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost/health || exit 1
+
+# Switch to non-root user
+USER nginx
+
+# Start nginx
+CMD ["nginx", "-g", "daemon off;"]