I found myself lately adding more StackOverflow questions to my dev bookmarks collection, so I took the challenge over the weekend to make this experience more pleasant. In this blog post I will present you the result - improve auto completion of bookmark attributes on creation, login with Stackoverflow account and visual hinting for stackoverflow bookmarks.

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What started out as a simple code duplication removal, turned out into a major refactoring with complete rewriting of error handling, moving of business logic/db access into separate service files (about this in another blog post) and rewriting of all integration tests to use async/await. In this blog post I will focus on the custom error handling and how it made the code much cleaner for the REST API supporting www.codever.dev. The API uses ExpressJS, currently in version 4.

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It’s easy now to recognise the youtube video bookmarks on www.codever.dev, by placing the youtube logo before the title of the bookmark:

Youtube logo before bookmark title
Bookmarks list with youtube logo

Also, when you click on the youtube logo, a dialog will pop where the video is embedded and you can play it directly there. In this blog post I will show how it is implemented.

As a reminder, the www.codever.dev website uses Angular, with angular material and bootstrap for styling.

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Most applications depend on external factors that have different values depending on the environment where they are deployed. We mostly use for that environment variables. Guess what? Most of React Apps also have this need. In this blog posts presents a clean(er) way to make a multi-stage deployment of a Create React App on a Kubernetes Cluster. You can use this approach for a seamless integration into your continuous deployment pipeline.

In the beginning it will you show how to set up the React App and then guide you through several deployment possibilities on Kubernetes. You will deploy with native kubectl commands, with helm, with kustomize and in the end use skaffold.

The example app displays the latest public bookmarks published on www.codever.dev. Depending on the environment the app is built for, it will display the environment name in the navigation bar and the header’s color is different.

The source code is available on Github


Create a config.js file where you inject the environment variables in the window object (e.g. window.REACT_APP_API_URL=’https://www.codever.dev/api/public/bookmarks’). Add this file to the public folder of your react application. Dockerize the react application and at Kubernetes deployment time overwrite the config.js file in the container - you can do that with Kubernetes configMaps via native kubectl commands, kustomize or helm.

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We have recently reached a second major milestone on www.codever.dev. There are now more than 10k curated public dev bookmarks available. To be more precise there are exactly 11869 public dev bookmarks at the time of this writing . You can find there programming resources for languages like java, javascript, go, python to query languages sql, graphql, to free-programming-books but also “exotic” stuff like genetic-algorithms and astronomy.

All of these dev resources are personally curated or by the users who submitted them - thank you very much for your contributions. The rest are imported from the Awesome collections.

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