Implement complete Docker Compose CI/CD setup with optimized builds

- Add multi-stage Dockerfile with dependency caching for both frontend and backend
- Implement Docker Compose configuration with separate frontend/backend services
- Configure Caddy as reverse proxy with proper WASM and static file serving
- Add volume mounting for frontend assets shared between containers
- Optimize build process with staged compilation and workspace handling
- Add debug logging and WASM initialization tracking for production deployment
- Update README with project motivation and "vibe coded" disclaimer

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

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

compose.yml

@@ -0,0 +1,22 @@
+services:
+  calendar-backend:
+    build: .
+    env_file:
+      - .env
+    ports:
+      - "3000:3000"
+    volumes:
+      - ./data/site_dist:/srv/www
+
+  calendar-frontend:
+    image: caddy
+    env_file:
+      - .env
+    ports:
+      - "80:80"
+      - "443:443"
+    volumes:
+      - ./data/site_dist:/srv/www:ro
+      - ./Caddyfile:/etc/caddy/Caddyfile:ro
+      - ./data/caddy/data:/data
+      - ./data/caddy/config:/config