Run Your Rails App On Kubernetes: A Step-by-Step Tutorial

1. band_api

   1 1 9 0.0 Ruby

   A basic API example

   

   For this post, we will be using a Bands API Rails app. It was originally coded by Andy, who has published videos and a blog post on how the app was created. The Ruby and Rails code is all his work. I would like to thank him for his great work.

2. InfluxDB

   www.influxdata.com featured

   InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

   

3. Capistrano

   2 12 12,843 3.3 Ruby

   A deployment automation tool built on Ruby, Rake, and SSH.

   

   The deployment process generally includes making the new version available, directing traffic from the old to the new version, and stopping the old versions. Capistrano has been doing this since 2006. However, what makes Kubernetes deployments better is the minimum number of pods required, and its rollout strategy minimizes or eliminates downtime. For example, a rolling update strategy can ensure new pods gradually replace old pods with configs like maxSurge and maxUnavailable. Because this is done in a declarative way, as a user or operator, you only need to ask Kubernetes to apply a given deployment and Kubernetes does the rest. Next up is the Kubernetes config map.

4. kind

   3 227 14,478 9.2 Go

   Kubernetes IN Docker - local clusters for testing Kubernetes

   

   Be aware of how Kind works and have it installed; in my case, the brew install kind command was used to get Kind 0.9.0.

5. chruby

   4 10 23 0.0 Ruby

   

   The deployment process generally includes making the new version available, directing traffic from the old to the new version, and stopping the old versions. Capistrano has been doing this since 2006. However, what makes Kubernetes deployments better is the minimum number of pods required, and its rollout strategy minimizes or eliminates downtime. For example, a rolling update strategy can ensure new pods gradually replace old pods with configs like maxSurge and maxUnavailable. Because this is done in a declarative way, as a user or operator, you only need to ask Kubernetes to apply a given deployment and Kubernetes does the rest. Next up is the Kubernetes config map.

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