Ahmed ElGamil 0xAhmed

0xAhmed / k8s-events

Last active October 10, 2017 13:20

Check k8s Events

$ kubectl --namespace=production get events -w

0xAhmed / check-deployment-progress

Last active October 10, 2017 13:20

Check k8s Deployment progress

	$ kubectl --namespace=production rollout status deployment/kubeapp-production

	Waiting for rollout to finish: 1 of 3 updated replicas are available...
	Waiting for rollout to finish: 2 of 3 updated replicas are available...
	deployment "kubeapp-production" successfully rolled out

0xAhmed / apply-deployment

Last active October 10, 2017 13:20

Applying a k8s Deployment

$ kubectl --namespace=production apply -f app-production.yml

0xAhmed / create-namespace

Last active October 10, 2017 13:21

Create a Namespace for k8s

$ kubectl create namespace production

0xAhmed / parse-project

Last active October 10, 2017 13:21

Sed command to evaluate PROJECT_ID in k8s config

$ sed -i.bak "s#PROJECT_ID#$PROJECT_ID#" app-production.yml

0xAhmed / app-stable.yml

Created September 27, 2017 20:05

Example k8s Deployment

	kind: Deployment
	apiVersion: extensions/v1beta1
	metadata:
	name: kubeapp-production
	spec:
	replicas: 3
	template:
	metadata:
	name: kubeapp
	labels:

0xAhmed / build-and-push

Last active October 10, 2017 13:28

Build Docker image for 1.0 and push to GCR

	$ export app_version=1.0

	$ docker build --build-arg version=$app_version -t gcr.io/$PROJECT_ID/app:$app_version .
	Sending build context to Docker daemon 16.48MB
	Step 1/6 : FROM alpine:latest
	---> 7328f6f8b418
	Step 2/6 : MAINTAINER The Dockbit Team "[email protected]"
	---> Using cache
	---> 6abecc069f97
	Step 3/6 : ARG version=1.0

0xAhmed / Dockerfile

Last active October 3, 2017 12:10

Example Dockerfile for a Go binary

	FROM alpine:latest
	MAINTAINER The Dockbit Team "[email protected]"

	# In case no version is passed
	ARG version=1.0
	COPY source/$version/app /app
	EXPOSE 8080
	ENTRYPOINT ["/app"]

0xAhmed / build-go

Last active October 10, 2017 13:30

Build a static go binary

$ GOOS=linux GOARCH=amd64 go build -tags netgo -o app

0xAhmed / app.go

Created September 25, 2017 14:19

Example Go app for hosting on k8s: Originally hosted at https://github.com/DockbitExamples/kubernetes/blob/master/app/app.go

	package main

	import (
	"fmt"
	"net/http"
	)

	const version string = "1.0"

	func getFrontpage(w http.ResponseWriter, r *http.Request) {