Kubernetes emptyDir is not the same as Docker’s volumes-from

My current client has a Rails application that is tightly coupled to Nginx. This sort of coupling is fairly common and used to avoid static files being served by the Rails stack. The files most notable in this respect are the applications assets.
The asse… Read more


Environment agnostic front end Docker images

Environment variables are a standard way to parametrize backend containers. For some reason, they haven’t seen wide adoption on the frontend side, which just as much requires customization. Both React and Vue still recommend creating separate .env files f... (more…)

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Multi-arch Docker Images

Although the promise of Docker is the elimination of differences when moving software between environments, you’ll still face the problem that you can’t cross platform boundaries, i.e. you can’t run a Docker image built for x86_64 on a arm board suc...

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Docker Swarm: An introduction

Overview In previous tutorials, we have looked at how we can deploy dockerized applications on a single machine. In this post, we will be deploying applications on different machines/nodes using Do… (more…)

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