Rocket.Chat is an open-source communication platform offering a plethora of features, including persistent chat rooms (channels) organized by topic, private groups, and direct messaging. It is a serious open-source alternative to Slack. Many organizations and businesses choose Rocket.Chat for the control that self-hosting provides, as well as for its privacy and security benefits. Over the […]
As head of engineering professionally and as a contributor to Open Source projects, I am involved in several WebApp projects, where I put a large emphasis on code quality, smooth CI/CD pipelines as part of my dedication to DevOps principles. Some of the projects involves interactions with S3 storage via the Minio package for python. […]
Motivation You are using uncomplicated firewall (ufw) and you realised that your docker web app is accessible via the internet regardless of the status of ufw, then this article is for you. I try here to answer two questions: Why does not ufw work for Docker containers? The answer is very simple, both ufw and […]
Several months ago, I finished reading “The Phoenix Project” by Gene Kim, George Spafford, and Kevin Behr. The book tell the story of an IT operation engineer, Bill Palmer, who get a sudden promotion and have to deal with all sorts of complications and difficulties while being under immense stress during a pivotal moment in […]
Docker and docker-compose provides an amazing way to quickly setup complicated applications that depends on several separate components running as services on a network. This is evident in the amount of time and effort docker-compose spare when deploying a certain web-app like Rocket.Chat or Zammad on a new host. Docker-compose allows for creating a single […]