HAProxy - a journey into multithreading (and SSL)

I'm running some load balancers which are using HAProxy to distribute HTTP traffic to multiple systems. While using SSL with HAProxy is possible since some time, it wasn't in the early days. So we decided for some customers, which was in need to provide encryption, to offload it with Apache.…

Deploying a (simple) docker container system

When a small platform for shipping containers is needed, not speaking about Kubernets or something, you have a couple of common things you might want to deploy at first. Usual things that I have to roll out everytime deloying such a platform: docker docker-compose Watchtower - automatically updating and restarting…

Container Orchestration Thoughts

Since some time everybody (read developer) want to run his new microservice stacks in containers. I can understand that building and testing an application is important for developers. One of the benefits of containers is, that developer (in theory) can put their new version of applications into production on their…

Redis HA with Redis Sentinel and VIP

For an actual project we decided to use Redis for some reasons. As there is availability a critical part, we discovered that Redis Sentinel can monitor Redis and handle an automatic master failover to a available slave. Setting up the Redis replication was straight forward and even setting up Sentinel.…