A Guide to Profiling and Code Optimization — Optimized code is key to a stable application, especially to a heavily loaded application like FleetTracker. Our code has to be properly optimized for efficiency and stability when handling thousands of orders to track and interpolated routes to serve to our customers. With the use of profiling, we are able…

Best Practices — FleetTracker’s backend service is built using Golang. We also used a framework to ease bootstrapping our prototype. The framework that we use is BeeGo, https://github.com/astaxie/beego. And with this combined, we have implemented some design patterns in our project to streamline the flow of the application. Design Pattern? Design pattern is a general…

Isolating Tests — Testing is an integral part when developing a software. When doing tests, some components are dependent on each other, and we aim to break these dependencies down for independent tests. How? By using fakes, we will see what these are and how to do it next. Why Isolate Tests? When we do unit…

Git Manual and Workflow — The FleetTracker project is being worked on by multiple contributors. A proper use of version control system is required to keep everything in track and manageable, we are using Git VCS. …

Target User Persona — FleetTracker is a sub-application from HappyFresh which aims to solve the problem of uncertainty of goods arrival time. This has been an issue since the company starts to gain more and more customers. …

Docker Orchestration and Reverse Proxy — For this HappyFresh Fleet Tracker project, we are deploying our service into an Amazon EC2 instance. Docker will be used to host our images in the server, and Docker Compose is utilized to setup the whole stack. hf-tracker.com is the domain that we have attached to the instance to access…

Deployment, Continuous Integration, Software Quality Assurance — Easy and flawless deployment is one of the key features to speed up product delivery. With the power of CI/CD, it is now possible, and even considered as the best DevOps practice to do automated tests, build, and deployment. Here, I will elaborate how we implemented them into our Fleet…