Add Docker support with multi-stage Vite build and nginx serving

Co-authored-by: Cursor <cursoragent@cursor.com>

docker-compose.yml

@@ -0,0 +1,18 @@
+services:
+  accounting-frontend:
+    build:
+      context: .
+      dockerfile: Dockerfile
+      args:
+        VITE_API_BASE_URL: ${VITE_API_BASE_URL:-http://localhost:8001/api}
+        VITE_ACCOUNTING_BASE_URL: ${VITE_ACCOUNTING_BASE_URL:-http://localhost:8010/api}
+        VITE_BASE_PATH: ${VITE_BASE_PATH:-/}
+    container_name: funzone_accounting_frontend
+    ports:
+      - "127.0.0.1:3006:80"
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3