feat: scaffold supabase multi-tenant backend

docker-compose.api.yml

@@ -0,0 +1,25 @@
+name: tiku-saas-dev
+
+services:
+  api:
+    build:
+      context: .
+      dockerfile: apps/api/Dockerfile
+    environment:
+      NODE_ENV: production
+      PORT: 8787
+      DATABASE_URL: postgresql://postgres:postgres@host.docker.internal:54322/postgres
+      DEFAULT_TENANT_SLUG: master
+      CORS_ORIGIN: http://127.0.0.1:5173,http://localhost:5173,http://127.0.0.1:5174,http://localhost:5174
+    extra_hosts:
+      - host.docker.internal:host-gateway
+    ports:
+      - "8787:8787"
+    healthcheck:
+      test:
+        - CMD-SHELL
+        - wget -qO- http://127.0.0.1:8787/health >/dev/null 2>&1 || exit 1
+      interval: 10s
+      timeout: 3s
+      retries: 6
+      start_period: 15s