Python IDE on the iPad Pro

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 said enough one day. I wanted to just work and wasn’t willing to continue wasting my time with searching how to workaround this and that. Bye bye Linux, did spend nice 10 years with you. Not saying it was a bad experience. Nope, I learned a lot and enjoyed it. But … Continue reading

AWS journey — API Gateway & Lambda & VPC performance

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 even 15s. This is not acceptable and I’m seeking for answers to my questions.

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AWS journey — EC2 Container Service

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. Hooray (irony), we have to switch to the EC2 Container Service. Try to explain this to our business department. Additional time for infrastructure. Can handle it, but it’s tough sometimes.

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AWS journey — Cloud Formation

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 stack. I mean API Gateway, Lambda, EC2, ECS, DynamoDB, etc. Counted them, AWS provides 51 services. Some of them are perfect, some of them still needs polishing, but they’re pretty good generally speaking.

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