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部署 nodejs Web 服务的问题。构建以 OK 状态进行，但由于缺少包而无法启动服务。render.com 显示日志文件，但无法通过 shell 访问它。该文件不存在。

在本地，该服务正在运行。如果删除了 node_modules 并安装了 npm 包而没有异议，我可以重现该问题。但在 render.com 部署的情况下并非如此。

有没有解决方案，如何才能启动服务？

构建命令：cd flights-api && npm install

启动命令：cd flights-api && npm run start

（尝试添加npm i --save objection两个命令，而不改变结果）

package.json依赖项：

"dependencies": {
    "@sentry/node": "^5.11.0",
    "apollo-errors": "^1.9.0",
    "dotenv": "^8.2.0",
    "express": "^4.17.1",
    "graphql-middleware-sentry": "^3.2.1",
    "graphql-yoga": "^1.18.3",
    "knex": "^0.21.21",
    "knex-logger": "^0.1.0",
    "lodash": "^4.17.21",
    "merge-graphql-schemas": "^1.7.6",
    "node-cache": "^5.1.2",
    "node-fetch": "^2.6.1",
    "objection": "^2.2.15",
    "pg": "^8.7.1",
    "winston": "^3.2.1"
  }

构建日志：

Aug 17 09:36:17 AM  ==> Starting service with 'cd flights-api && npm run start'

Aug 17 09:36:20 AM  Error: Cannot find module 'objection'
Aug 17 09:36:20 AM  Require stack:
Aug 17 09:36:20 AM  - /opt/render/project/src/flights-service/models/BaseModel.js
Aug 17 09:36:20 AM  - /opt/render/project/src/flights-api/src/index.js
Aug 17 09:36:20 AM      at Function.Module._resolveFilename (internal/modules/cjs/loader.js:793:17)
Aug 17 09:36:20 AM      at Function.Module._load (internal/modules/cjs/loader.js:686:27)
Aug 17 09:36:20 AM      at Module.require (internal/modules/cjs/loader.js:848:19)
Aug 17 09:36:20 AM      at require (internal/modules/cjs/helpers.js:74:18)
Aug 17 09:36:20 AM      at Object.<anonymous> (/opt/render/project/src/flights-service/models/BaseModel.js:1:57)
Aug 17 09:36:20 AM      at Module._compile (internal/modules/cjs/loader.js:955:30)
Aug 17 09:36:20 AM      at Object.Module._extensions..js (internal/modules/cjs/loader.js:991:10)
Aug 17 09:36:20 AM      at Module.load (internal/modules/cjs/loader.js:811:32)
Aug 17 09:36:20 AM      at Function.Module._load (internal/modules/cjs/loader.js:723:14)
Aug 17 09:36:20 AM      at Module.require (internal/modules/cjs/loader.js:848:19)
Aug 17 09:36:20 AM  npm ERR! code ELIFECYCLE
Aug 17 09:36:20 AM  npm ERR! errno 1
Aug 17 09:36:20 AM  npm ERR! xy-flights-api@1.0.0 start: `node src/index.js`
Aug 17 09:36:20 AM  npm ERR! Exit status 1
Aug 17 09:36:20 AM  npm ERR!
Aug 17 09:36:20 AM  npm ERR! Failed at the xy-flights-api@1.0.0 start script.
Aug 17 09:36:20 AM  npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
Aug 17 09:36:20 AM  
Aug 17 09:36:20 AM  npm ERR! A complete log of this run can be found in:
Aug 17 09:36:20 AM  npm ERR!     /opt/render/.cache/_logs/2021-08-17T07_36_20_174Z-debug.log
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