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Craig Rueda
Craig Rueda

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Nov 16, 2021

Deploying web applications into Kubernetes with zero downtime

At Preset.io, we run entirely on top of Kubernetes in AWS (EKS). As such, it's only natural that we need a robust and scalable method of exposing services to customers. When we started out back in 2019, we chose to leverage nginx-ingress + Elastic Load Balancer (running in layer 4…

Kubernetes

3 min read

Deploying services into Kubernetes with zero downtime
Deploying services into Kubernetes with zero downtime

Sep 10, 2019

Gunicorn/Flask/Gevent with a side of GRPC

Recently, while preparing for our Alpha launch, I ran across a very strange issue that took the better part of a day to debug. I thought it would be a great idea to share my findings here so that others might benefit from my tribulations. First, a little background… At…

Python

2 min read

Gunicorn/Flask with a side of GRPC
Gunicorn/Flask with a side of GRPC

Apr 6, 2018

Tomcat Native / OpenSSL in Spring Boot 2.0

Imagine you’re a Spring developer working for company X on a micro-service based platform with services written in Java/Spring Boot and deployed using Kubernetes (Docker). Your various services communicate with one another using JSON over HTTP, making things simple. You assume that all inter-process communication happens over your “trusted” network…

Ssl

5 min read

Tomcat Native / OpenSSL in Spring Boot 2.0
Tomcat Native / OpenSSL in Spring Boot 2.0
Craig Rueda

Craig Rueda

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