Serializing JavaScript objects and other data structures as JSON is useful for data exchange between a server and a client. The JSON data exchange between client and server doesn’t require a JavaScript stack on both ends. JSON support is typically available in most programming languages. {{outline}} Creating a Custom …

As a software developer, you’re most likely using SSH keys. Doing system administration or pushing commits to your source control like GitHub or GitLab is considered to be a best practice doing it over SSH with public key authentication instead of passwords. And because you’re doing both in …

You can trigger GitHub Actions to run on different events. Typically, you want to run an action when pushing to a repository. You may also run an action on pull requests. When building packages for frameworks or libraries, you may want to run your code on a defined schedule. This …

Most of the Node.js examples for GitHub Actions use version numbers like 12.x. This value describes the latest Node.js v12 release, independently from the minor or patch version. The Node.js GitHub Action supports exact version numbers beside the wildcard match. This is helpful when you want …

Linux comes with the which command to locate a given executable. Executables are commands you type into your terminal, like git, node, touch, or vim. Sometimes, you want to find the location of an executable on your filesystem. That’s where the which command comes handy. Read on to find …

Recently, I provisioned a new Elasticsearch cluster. The installation process on Ubuntu used the apt package manager and everything looked good. I started the application as soon as Elasticsearch booted and was ready for connections. The app connected to the database, everything looked good. Yet, the Elastic SDK failed while …

GitHub Actions provider powerful configurations. You can customize the event triggers to run a job to your own needs. We use a handy workflow to publish our packages to the GitHub Package Registry in our repositories. The “publish workflow” only runs when creating a new tag in a repository. {{outline} …

GitHub Actions provide a convenient way to run your application tests. You can also run a test matrix with different dependency versions. For example, a test matrix can consist of three Node.js and two MongoDB versions. The test suite will then run against all combinations of Node.js and …