Code with Hugo

#docker #Node #docker-compose #deployment

Docker Compose Local HTTPS with nginx or Caddy

A solution to serve your Dockerized application on Docker Compose with TLS/SSL locally by leveraging a HTTPS reverse-proxy and mkcert. Examples with Caddy and nginx are at: github.com/HugoDF/docker-compose-local-https Table of contents: ...

#deployment #Node #JavaScript #tooling #dokku

Deployment options: Netlify + Dokku on DigitalOcean or Hetzner Cloud vs now.sh, GitHub Pages, Heroku and AWS

Settling on a Netlify + Dokku on DigitalOcean (for US) or Hetzner Cloud (for EU) deployment stack for JavaScript and Node. Over the last few years I’ve never quite settled on a goto deployment strategy for my apps and projects. Technology-wise it has settled towards Vue or stat ...

#Node #Testing #JavaScript

JavaScript Object.defineProperty for a function: create mock object instances in Jest or AVA

This post goes through how to use Object.defineProperty to mock how constructors create methods, ie. non-enumerable properties that are functions. The gist of Object.defineProperty use with a function value boils down to: const obj = {} Object.defineProperty(obj, 'yes', { ...

#git #bash

Fix git “tip of your current branch is behind its remote counterpart” - 4 real-world solutions

When working with git a selection of GitLab, GitHub, BitBucket and rebase-trigger-happy colleagues/collaborators, it’s a rite of passage to see a message like the following: Pushing to [email protected]:some-project/some-repo.git To [email protected]:some-project/some-repo.git ! [rejec ...

#JavaScript #fetch

Pass cookies with axios or fetch requests

When sending requests from client-side JavaScript, by default cookies are not passed. By default, fetch won’t send or receive any cookies from the server, resulting in unauthenticated requests https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch Two Java ...

#Node #Express #JavaScript

Parse POST/PATCH/PUT request JSON body with Express and no dependencies

When asked to handle data in a request body, developers who have used Express (the “Fast, unopinionated, minimalist web framework for Node.js”) before, reach for the body-parser library. The same functionality can be achieved using express.json(). A middleware for parsing JSON re ...

#Node #Testing #JavaScript

A testing guide for Express with request and response mocking/stubbing using Jest or sinon

To test an Express handler, it’s useful to know how to successfully mock/stub the request and response objects. The following examples will be written both using Jest and sinon (running in AVA). The rationale for this is the following. Jest is a very popular “all-in-one” testing ...

#Node #JavaScript #deployment

12-factor Node.js application configuration management without the `config` npm package

The config npm package is great (npmjs.com/package/config), but it encourages confusing and non-12-factor-app-compliant patterns. We’ll look at some of the patterns it encourages and why they’ll bring you struggles down the road as well a simple, single-file, no-dependency way to ...

#bash #deployment #ci #tooling

Bash Cheatsheet: check if environment variables are set or file/symlinks exists + more

A bash scripting cheat sheet for developers who just want to get by. Writing setup, CI and deployment flows means a bit of the old bash scripting. Despite my deep interest in the intricacies of Bash (/sarcasm), I’ve kept hitting up Google and StackOverflow for solutions t ...

#Node #JavaScript #Python

The comprehensive guide to integrating a Python/Ruby/PHP/shell script with Node.js using child_process.spawn

There are occasions when running a Python/Ruby/PHP shell script from Node.js is necessary. This post looks at best practices around leveraging child_process.spawn to encapsulate this call in Node.js/JavaScript. The goal here is to have an interoperability layer between Node.js an ...