feat: implement auth system, passkeys, and user management

Add PostgreSQL and Redis integration for users and sessions
Implement password and WebAuthn passkey login flows
Add Docker stack, super-admin seeding, and protected routes

docker-compose.yml

@@ -0,0 +1,64 @@
+services:
+  postgres:
+    image: postgres:17-alpine
+    container_name: dinner-ticket-postgres
+    restart: unless-stopped
+    environment:
+      POSTGRES_DB: dinner_ticket_system
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres -d dinner_ticket_system"]
+      interval: 5s
+      timeout: 5s
+      retries: 20
+      start_period: 5s
+
+  redis:
+    image: redis:7-alpine
+    container_name: dinner-ticket-redis
+    restart: unless-stopped
+    volumes:
+      - redis_data:/data
+    command: ["redis-server", "--appendonly", "yes"]
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 5s
+      timeout: 3s
+      retries: 20
+      start_period: 5s
+
+  app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: dinner-ticket-app
+    restart: unless-stopped
+    depends_on:
+      postgres:
+        condition: service_healthy
+      redis:
+        condition: service_healthy
+    environment:
+      NODE_ENV: production
+      NITRO_HOST: 0.0.0.0
+      PORT: 20013
+      NUXT_DATABASE_URL: postgresql://postgres:postgres@postgres:5432/dinner_ticket_system
+      NUXT_REDIS_URL: redis://redis:6379
+      NUXT_SESSION_COOKIE_NAME: dinner_ticket_session
+      NUXT_PUBLIC_APP_URL: ${NUXT_PUBLIC_APP_URL:-http://localhost:20013}
+      NUXT_PUBLIC_RP_NAME: ${NUXT_PUBLIC_RP_NAME:-Dinner Ticket System}
+    ports:
+      - "20013:20013"
+    healthcheck:
+      test: ["CMD", "node", "-e", "fetch('http://127.0.0.1:20013/api/health').then((response) => process.exit(response.ok ? 0 : 1)).catch(() => process.exit(1))"]
+      interval: 10s
+      timeout: 5s
+      retries: 12
+      start_period: 20s
+
+volumes:
+  postgres_data:
+  redis_data: