Top posts

Every blog post that took off on Hacker News, ranked by the votes of its best submission. 207 posts.

Infrastructure & DevOps
2015
197

Nginx with dynamic upstreams

I recently made a setup at work where I had a Nginx server facing the user, which would forward requests to a service running behind an AWS Elastic Load Balancer (aka. ELB). That in itself doesn’t sound like a difficult task, you just find the hostname for the ELB and point Nginx at it with a proxy_pass statement like…

207

Understanding Container Reuse in AWS Lambda

Tim Wagner, AWS Lambda AWS Lambda functions execute in a container (sandbox) that isolates them from other functions and provides the resources, such as memory, specified in the function’s configuration. In this article we discuss how Lambda creates and reuses these sandboxes, and the impact of those policies on the…