We were using (and we’re still it using for some services) Docker Cloud. Main problem with DC is that they can’t handle private subnets. EC2 instance must be in the public subnet and that’s not what we want.
We decided to hide some EC2 instances in private subnets (VPC). They’re accessible via bastion hosts or via API (API Gateway & Lambda). Works well, but there’s one weird issue — cold lambda start time is over 10s sometimes. We experienced…
As a small start up, we’re playing with lot of technologies and we try to choose the best ones. Okay, sometimes not because of money constraints, but we’re trying. One day, can’t remember when it was, we decided to go with AWS. Not just EC2 instances for Docker Cloud, but full…
We started PurposeFly blog on Medium recently and I decided to give it a try for my personal blog as well. Old posts are still available at old.robertvojta.com. Err, will be available when I fix relative_permalinks issue and DNS records.
I don’t know why people are so excited about Slack (or HipChat). I don’t like it and people often ask me why?
I decided to leave Medium. I’m not quite happy with it, how it works and especially in the are of code highlighting (Gist — I do not want to edit my post in several places). Not saying Medium is bad, it just doesn’t suit my needs.
My career is kind of colourful. I was working on aircraft systems, VoIP HW & SW, developing Linux kernel drivers, Linux distributions, OpenOffice.org and many other low level (RTOS) & high level (desktop applications) stuff. Linux nerd. I…
It’s fragile and kind of terrible. Let’s look at it. We have a function named lambda. It has one argument named action (enum with allowed values data, exception or timeout). First thing we would like to do is to validate input via schema. Then we would like to…