Photo by Ignacio Amenábar on Unsplash Based on @DavidWells shared JS Proxy tweets and GitHub gist. Last week, I discovered an elegant way to create simple javascript REST API clients using Proxy. ...
It may happen that you need a private registry to publish your docker images (business projects, dev docker images, etc…). There are several solutions to do that : take a docker hub subscription which allows you to create private projects create and maintain your own registry (ex: harbor) use GitLab Registry The docker hub solution may seem to be the right one for a company with large projects, but for simple needs (ex: management of development docker images) or for side projects, the Gitlab Registry solution is in my opinion the simplest. ...
During the last 6 years that I had to use docker, I quickly added a doco alias for docker-compose (then docker compose) in my terminal. ...
What is JetStream ? JetStream is the NATS company streaming solution. The JetStream server is built-in to nats-server and can be enabled with nats command options. You can find more informations about JetStream on the official documentation : https://docs.nats.io/nats-concepts/jetstream. Events streaming example To understand how to do events streaming with JetStream, we will use a fake Twitter app throughout the article. The two application endpoints that will interest us here are: POST /tweets POST /tweets/:id/likes The first one will create a new tweet and the second one permit to like a tweet. As an event streaming application, the POST /tweets will produce tweet_created events and the POST /tweets/:id/likes will produce tweet_liked events. ...
Monitoring consists of observing metrics of your application that will allow you to know its health condition. There are different observable metrics: resources consumption (CPU, memory, IO, …) network traffic business metrics (endpoint response time, requests errors, …) This post will be dedicated to setting up monitoring on a Node.JS application written in Typescript. We will set up the business metrics exposure in our application and then we will exploit them with Prometheus and Grafana. ...