hedera-front/back/server/datasources.json

{
  "db": {
    "name": "db",
    "connector": "memory"
  },
  "storage": {
      "name": "storage",
      "connector": "loopback-component-storage",
      "provider": "filesystem", 
      "root": "./dist/image",
      "maxFileSize": "10485760", 
      "allowedContentTypes": [
          "image/png", 
          "image/jpeg", 
          "image/jpg"
      ]
  }
}