How to migrate API from ExpressJS to NestJS? - express

How to migrate API from ExpressJS to NestJS?
What should I do for the first step?

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elasticsearch client cant be use in vue.js, because of no nodejs environment

I tried to use elasticsearch client in vue.js. But elasticseach needs to be in a node.js environment. Vue.js doesn't have node.js environment. Is there any other solution?
https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/index.html
You have to create a rest api an server site.
This Node.js porgramm will create the Connection to elasticsearch Server.
Your vue.js Client Connect you Rest api by ajax call.
You Node.js Programm call elasticesearch.

Where to store api keys in Flutter web?

Im currently working with Flutter web with a Php backend that is protected with an api Key.
Where should I store the Api Key in Flutter Web? the package "flutter_secure_storage" is not available for web so it is not an option.
You can use the SharedPreferences plugin for storing and retrieving persistent simple data. They supported for the web from version 0.5.4+7

Expose HTTP GET API in GraphQL Apollo Server v2.0

I am using Apollo Server v2.0 (without middleware) as part of my project and I would like to add support for a HTTP GET endpoint to for file downloads. Is there a way to expose an API endpoint without using apollo-server-express?
Thank you
No. While apollo-server currently uses express under the hood, the Express instance is not exposed as a property on the ApolloServer instance. In order to expose any additional endpoints, you'd need to migrate to apollo-server-express or any of the other available framework integrations. The migration is relatively painless since the APIs are almost identical.

What is the best way to use GraphQL with AWS AppSync?

Im using AWS AppSync in my react native application. I followed many tutorials , this in particular : https://docs.aws.amazon.com/appsync/latest/devguide/building-a-client-app-reactnative.html
In this tutorial, provided by AWS, they use Apollo Graphql : «
AWS AppSync integrates with the Apollo GraphQL client for building client applications. AWS provides Apollo plugins for offline support, authorization, and subscription handshaking. You can use the Apollo client directly, or you can use it with some of the client helpers provided in the AWS AppSync SDK. »
But, with the new release of the AWS AppSync documentation, we get another way to work.
So my question is : What is the best way to use GraphQL with AWS AppSync?
Why there is no information about Apollo GraphQL in the documentation while it uses in the tutorial?
Thanks you in advance for your answers/advices.

Create/spit out an API based from Ember App

We currently have an Ember app that's able to process GitHub repositories. Is it possible to create an API using Ember based from the current Ember app?
No. Ember is client side framework only, you can't create API using it