$ cat services/c/turbo.json 
{
  "extends": ["//"],
  "tasks": {
    "hello": {
      "inputs": ["$TURBO_DEFAULT$", "!exclude.txt"]
    }
  }
}

$ cat package.json 
{
  "name": "portal",
  "version": "1.0.0",
  "description": "portal repository root",
  "author": "private",
  "license": "MIT",
  "engines": {
    "node": "18.20.0"
  },
  "scripts": {},
  "private": true,
  "packageManager": "npm@10.5.0",
  "devDependencies": {
    "turbo": "2.5.0"
  },
  "workspaces": [
    "services/*"
  ]
}

$ cat services/c/package.json 
{
  "name": "@eb/c",
  "version": "1.0.0",
  "description": "c",
  "main": "dist/index.js",
  "private": true,
  "files": [
  ],
  "engines": {
    "node": "18.20.0"
  },
  "packageManager": "npm@10.5.0",
  "scripts": {
    "hello": "echo hello service c; ls -la"
  },
  "author": "",
  "license": "MIT",
  "lfoDependencies": {
  },
  "dependencies": {
  },
  "devDependencies": {
  },
  "optionalDependencies": {
  }
}