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With the containerized Node.js/Express API, I could run multiple containers, scaling to handle more traffic. Using a tool called minikube, we can easily spin up a local Kubernetes cluster to horizontally scale Docker containers. It was possible to keep one shared instance of the database, and many APIs were routed with an internal Kubernetes load balancer.
Although they did not make it into production, I experimented with the RabbitMQ message broker, Python (Django, Flask), Kubernetes + minikube, JWT, and NGINX. This was a hobby project, but I intended to learn about microservices along the way.
With the containerized Node.js/Express API, I could run multiple containers, scaling to handle more traffic. Using a tool called minikube, we can easily spin up a local Kubernetes cluster to horizontally scale Docker containers. It was possible to keep one shared instance of the database, and many APIs were routed with an internal Kubernetes load balancer.
I built each API with Node.js, Express, and Docker. Services connected to a NoSQL MongoDB database.
Frontend - github.com/llama-as-a-service/frontend
Images API - github.com/llama-as-a-service/images-service
Authentication API - github.com/llama-as-a-service/auth-service
Gateway API - github.com/llama-as-a-service/gateway-service
If you want to have a repository with Node.js, Express, and Docker set up with GitHub Actions, check out the boilerplate repository here
With each app containerized with Docker, this allows it to be run on any other developer's machine also running Docker. Although I had automated deployments to Heroku without this, I decided to upload each service to a container registry.
I found a tool for load testing called Artillery. Following this guide I installed Artillery and began research for the test configuration.
For this project, there is a frontend built with React hosted on Netlify, connected to the backend.
Although they did not make it into production, I experimented with the RabbitMQ message broker, Python (Django, Flask), Kubernetes + minikube, JWT, and NGINX. This was a hobby project, but I intended to learn about microservices along the way.
I would talk about building the frontend, but it is just a single page React app I built quickly. It does use a CSS library called Bulma, which is similar to tailwind and worth checking out. I did spend a day implementing a login/signup page, but this was just for the learning experience, and not what I wanted in the final product.