Move existing WordPress site into Docker
I’ve been running two WordPress blogs for some time and my biggest regret is that they are not running in Docker containers. If I did …
Tag: container
Using private registry in Docker Swarm
In one of my previous posts about Docker health checks closer to the end of the post I managed to build a Dockerfile and run it …
What exactly is Kubernetes
Kubernetes (or K8s) is another tool for orchestrating containerized apps in a cluster. It’s job is to find the right place for a container, fulfill its desired …
docker-compose for Swarm: docker stack
Imagine you configured your new shiny Docker cluster and now ready to fill it with dockerized applications. How exactly are you going to do that? Not …
Persistent data in Docker volumes
As Docker containers supposed to be small, single process and easy replaceable instances, it’s not particularly clear how persistent data fits into that picture. Imagine you have …
Multi-host Docker network without Swarm
Docker has several types of networks, but one of them is particularly interesting. Overlay network can span across hosts boundaries, so your web application container …
Quick intro to Windows containers
It finally happened. With release of Windows Server 2016 you can run Docker containers with Windows inside. There’s no Virtual Machine hiding somewhere in order for that …
Quick intro to docker-compose
What is docker-compose Like docker itself allows managing single container, docker-compose makes it easy to control not just one, but all containers that make distributed app. …
Communication between Docker containers
Having an app running from within Docker container is fun, that’s for sure. But do you know what would be even more fun? Many apps running from within …
3 ways to dockerize existing Node.js app
Imagine you have Node.js app you would like to run from within Docker container. Maybe you want to check if it still works on ‘another’ …