https://github.com/amitkumarj441/k8s_rails
Deploy Rails based application on Kubernetes
https://github.com/amitkumarj441/k8s_rails
docker-image kubernetes minikube-cluster rails-application rake
Last synced: 3 months ago
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Deploy Rails based application on Kubernetes
- Host: GitHub
- URL: https://github.com/amitkumarj441/k8s_rails
- Owner: amitkumarj441
- Created: 2018-01-29T16:21:41.000Z (over 7 years ago)
- Default Branch: master
- Last Pushed: 2018-01-29T18:01:10.000Z (over 7 years ago)
- Last Synced: 2025-01-26T14:12:05.384Z (5 months ago)
- Topics: docker-image, kubernetes, minikube-cluster, rails-application, rake
- Size: 5.86 KB
- Stars: 0
- Watchers: 3
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
# K8s_Rails
Deploy Rails based application on Kubernetes
# Prerequisites
## Secrets
We'll start by creating a Kubernetes secret. This secret contains the secret key base and database credentials required by the Rails application. To generate a secret key base, run
```
$ bundle exec rake secret
8d428e9d27e3323f1b1ec0089482017480224c9984fc10327f95b0990ec46175d43d756fd644c3bca3703a337a94ced69c868ab0470ac201cd1b6a80c3f89e4a
```
Encode the secret key base using base64.
```
$ echo -n "8d428e9d27e3323f1b1ec0089482017480224c9984fc10327f95b0990ec46175d43d756fd644c3bca3703a337a94ced69c868ab0470ac201cd1b6a80c3f89e4a" | base64
OGQ0MjhlOWQyN2UzMzIzZjFiMWVjMDA4OTQ4MjAxNzQ4MDIyNGM5OTg0ZmMxMDMyN2Y5NWIwOTkwZWM0NjE3NWQ0M2Q3NTZmZDY0NGMzYmNhMzcwM2EzMzdhOTRjZWQ2OWM4NjhhYjA0NzBhYzIwMWNkMWI2YTgwYzNmODllNGE=
```
Next, encode the database credentials. Use the format DB_ADAPTER://USER:PASSWORD@HOSTNAME/DB_NAME. If you are using mysql with a user 'deploy' and a password 'secret' on 127.0.0.1 and have a database railsapp, run
```
$ echo -n "mysql://deploy:[email protected]/railsapp"
bXlzcWw6Ly9kZXBsb3k6c2VjcmV0QDEyNy4wLjAuMS90b2Rv
```
# Run
```
$ kubectl create -f railsapp_secrets.yaml
$ kubectl create -f railsapp_deployment.yaml
$ kubectl create -f railsapp_service.yaml
```
Check status
```
$ kubectl get secrets
$ kubectl get deployments,pods
$ kubectl get services
```
# Test your app
To get the Minikube IP, run `minikube ip`. On my local machine, the app is available on `192.168.99.100:31596`.
Or run `minikube service railsapp-svc`