When number of requests to an application grows, it might be hard to read logs and group them together to one single request. This can be solved with trace ID that is unique for each request.
Container should be able to perform only a very limited set of operations and it is highly recommended to use different user from root. To achieve this both docker file and kubernetes config must be changed.
Write simple Node.js backend using TypeScript, Express and Terminus and run it in Digital Ocean Kubernetes cluster. In the end you will have application which is running in multiple replications and has access to environment variable passed to the application by Kubernetes secret.
A brief tutorial how to create a Node, TypeScript and GraphQL server from scratch with MySQL database. The ouput is a very basic GraphQL server, which you can run, send a simple query to it and get a response. The whole project is available on GitHub.
In my current job, we have some kind of network settings ( or better proxy settings ) that from time to time cause problems with certificate verification.
This is about the basic usage of Sequelize ORM – how to create migrations, models, seeders and how to get the data from the database. Everything is explained on an example project, which you can find on GitHub.
I needed to create a simple server, that would have one “public” route /login and other routes are available only for users with valid JWT token.
That means, the user is allowed to log into the system and then get any data from it. If he is not logged in and he tries to get some data, he only get an error message and 401 ( Unauthorized ) status code will be returned.
Maybe you know the situation when you deploy some page, check it fastly and go away from the office feeling good about your job done. Then a colleague calls you and you hear “What did you do? It is not working!”.