express-mongodb | Express与MongoDB的水深火热 | Runtime Evironment library

I want to receive an image from a client, convert it into text and then delete the image once it's converted. I'm using the following code:

Similar to this guide medium.com, I want to program a streaming server. But I do not know, how to store or upload my files to the database. I want to test, if I can stream a mp3 file, so I want to upload two files with gridfs. Can you help me by explaining how I can upload a file to my MongoDB via Gridfs?

Best regards

I am trying to display one course and to update course topic, using graphql and apollo-server. This is my code:

I am trying to get course data using graphql, but server is always returning null as a response This is my code in file server.js :

I'm using the Html-pdf package to generate and download pdf in an express-MongoDB application. Here is the route, where I've used the Html-pdf package.

I'm building a software using express-mongodb-ejs. I've tried some of the npm packages to generate and download pdf. But, I cant generate pdf which having the dynamic image path.

I've used html-pdf package, which seems pretty good. But, It can't render the dynamic image path from database. Here is the screenshot where I used the html-pdf package.

Here is the detailed problem link where I asked about this package related question.

Can anyone provide me any detailed solution regarding the problem? Any npm package should be fine as long as it can help me to download pdf using express.

I am trying to update data in my database with Mongoose and NodeJS I can get the data from the loggedin user already but it won't let me update. In my front-end I render a form that get data from the loggedin user (views/pages/profile-edit.ejs).

In the backend user.js file I have this :

Brand new to the Mean Stack but have managed to get one set up in a dockerized environment by following various tutorials. I mainly used the one explained at https://itnext.io/building-restful-web-apis-with-node-js-express-mongodb-and-typescript-part-1-2-195bdaf129cf

The issue I am having is that to get changes to TypeScript files automatically compiled and serice restarted is failing and I'm unsure what I'm missing in the config. I've tried various iterations using nodemon and ts-node-dev without success.

The server starts up and serves pages 100% but a code change isn't triggering anything.

Below are the Dockerfile (for the Node Express server), package.json and my tsconfig.json, if anyone can possible indicate where I'm going wrong it would be a great help. I've also shown my docker-compose.yml file for the entire stack.

Dockerfile

I consider myself enough competent with nodeJs. I have recently decided to change my applications by starting to develop with Typescript. I have recently seen many blogs (like this one) that when creating a RESTful API, they wrapped all the modules and above all the entry point of the app in a class. Is it correct or can I continue to develop my apps with typescript as I had before?