fix(docker): 调整db-migrate服务命令格式以支持dev-url

- 将db-migrate服务中schema apply命令拆分为多个参数形式
- 新增--dev-url参数，指向相同的数据库连接字符串
- 保持--auto-approve参数以自动批准迁移
- 优化docker-compose.yml配置，提升迁移命令兼容性与可读性

docker-compose.yml

@@ -4,8 +4,13 @@ services:
   db-migrate:
     build: .
     restart: "no"
-    command: >
-      schema apply
-      --url "mysql://${DB_USER}:${DB_PASSWORD}@${DB_HOST}:${DB_PORT}/${DB_NAME}"
-      --to "file://schema.sql"
-      --auto-approve
+    command:
+      - "schema"
+      - "apply"
+      - "--url"
+      - "mysql://${DB_USER}:${DB_PASSWORD}@${DB_HOST}:${DB_PORT}/${DB_NAME}"
+      - "--to"
+      - "file://schema.sql"
+      - "--dev-url"
+      - "mysql://${DB_USER}:${DB_PASSWORD}@${DB_HOST}:${DB_PORT}/${DB_NAME}"
+      - "--auto-approve"