Add GitHub Action build and deploy

.github/workflows/deploy.yaml

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+# This workflow will build a docker container, publish it to Azure Container Registry, and deploy it to Azure Kubernetes Service using a helm chart.
+#
+# To configure this workflow:
+#
+# 1. Set up the following secrets in your workspace:
+#     a. REGISTRY_USERNAME with ACR username
+#     b. REGISTRY_PASSWORD with ACR Password
+#     c. AZURE_CREDENTIALS with the output of `az ad sp create-for-rbac --sdk-auth`
+#
+# 2. Change the values for the REGISTRY_NAME, CLUSTER_NAME, CLUSTER_RESOURCE_GROUP and NAMESPACE environment variables (below).
+
+on: [push]
+
+# Environment variables available to all jobs and steps in this workflow
+env:
+  REGISTRY_NAME: evryflaatten
+  CLUSTER_NAME: aks-demo
+  CLUSTER_RESOURCE_GROUP: aks-demo
+  NAMESPACE: default
+  IMAGE_NAME: myimage
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+
+    # Connect to Azure Container registry (ACR)
+    - uses: azure/docker-login@v1
+      with:
+        login-server: ${{ env.REGISTRY_NAME }}.azurecr.io
+        username: ${{ secrets.REGISTRY_USERNAME }}
+        password: ${{ secrets.REGISTRY_PASSWORD }}
+
+    # Container build and push to a Azure Container registry (ACR)
+    - run: |
+        docker build . -t ${{ env.REGISTRY_NAME }}.azurecr.io/${{ env.IMAGE_NAME }}:${{ github.sha }}
+        docker push ${{ env.REGISTRY_NAME }}.azurecr.io/${{ env.IMAGE_NAME }}:${{ github.sha }}
+
+    # Set the target Azure Kubernetes Service (AKS) cluster.
+    - uses: azure/aks-set-context@v1
+      with:
+        creds: '${{ secrets.AZURE_CREDENTIALS }}'
+        cluster-name: ${{ env.CLUSTER_NAME }}
+        resource-group: ${{ env.CLUSTER_RESOURCE_GROUP }}
+
+    # Create namespace if doesn't exist
+    - run: |
+        kubectl create namespace ${{ env.NAMESPACE }} --dry-run -o json | kubectl apply -f -
+
+    # Create imagepullsecret for Azure Container registry (ACR)
+    - uses: azure/k8s-create-secret@v1
+      with:
+        container-registry-url: ${{ env.REGISTRY_NAME }}.azurecr.io
+        container-registry-username: ${{ secrets.REGISTRY_USERNAME }}
+        container-registry-password: ${{ secrets.REGISTRY_PASSWORD }}
+        secret-name: ${{ env.REGISTRY_NAME }}-registry-connection
+        namespace: ${{ env.NAMESPACE }}
+
+    # Baking the helm chart to generate the manifests to deploy
+    - uses: azure/k8s-bake@v1
+      with:
+        renderEngine: 'helm'
+        helmChart: './mychart/'
+        helm-version: 'latest'
+        releaseName: 'myapp'
+        overrideFiles: 'values.yaml'
+        overrides: |
+          image.repository:${{ env.REGISTRY_NAME }}.azurecr.io/${{ env.IMAGE_NAME }}
+          image.tag:${{ github.sha }}
+          imagePullSecrets[0].name:${{ env.REGISTRY_NAME }}-registry-connection
+      id: bake
+
+    # Deploy app to AKS
+    - uses: azure/k8s-deploy@v1
+      with:
+        manifests: ${{ steps.bake.outputs.manifestsBundle }}
+        #images: |
+        #  ${{ env.REGISTRY_NAME }}.azurecr.io/${{ env.IMAGE_NAME }}:${{ github.sha }}
+        #imagepullsecrets: |
+        #  ${{ env.REGISTRY_NAME }}-registry-connection
+        namespace: ${{ env.NAMESPACE }}

Dockerfile

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+FROM neilpeterson/aks-helloworld:v1

mychart/.helmignore

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+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

mychart/Chart.yaml

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+apiVersion: v2
+name: mychart
+description: A Helm chart for Kubernetes
+
+# A chart can be either an 'application' or a 'library' chart.
+#
+# Application charts are a collection of templates that can be packaged into versioned archives
+# to be deployed.
+#
+# Library charts provide useful utilities or functions for the chart developer. They're included as
+# a dependency of application charts to inject those utilities and functions into the rendering
+# pipeline. Library charts do not define any templates and therefore cannot be deployed.
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+version: 0.1.0
+
+# This is the version number of the application being deployed. This version number should be
+# incremented each time you make changes to the application.
+appVersion: 1.16.0

mychart/templates/NOTES.txt

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+1. Get the application URL by running these commands:
+{{- if .Values.ingress.enabled }}
+{{- range $host := .Values.ingress.hosts }}
+  {{- range .paths }}
+  http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ . }}
+  {{- end }}
+{{- end }}
+{{- else if contains "NodePort" .Values.service.type }}
+  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "mychart.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  echo http://$NODE_IP:$NODE_PORT
+{{- else if contains "LoadBalancer" .Values.service.type }}
+     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
+           You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "mychart.fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "mychart.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
+  echo http://$SERVICE_IP:{{ .Values.service.port }}
+{{- else if contains "ClusterIP" .Values.service.type }}
+  export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "mychart.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
+  echo "Visit http://127.0.0.1:8080 to use your application"
+  kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:80
+{{- end }}

mychart/templates/_helpers.tpl

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+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "mychart.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "mychart.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "mychart.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Common labels
+*/}}
+{{- define "mychart.labels" -}}
+helm.sh/chart: {{ include "mychart.chart" . }}
+{{ include "mychart.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end -}}
+
+{{/*
+Selector labels
+*/}}
+{{- define "mychart.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "mychart.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end -}}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "mychart.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create -}}
+    {{ default (include "mychart.fullname" .) .Values.serviceAccount.name }}
+{{- else -}}
+    {{ default "default" .Values.serviceAccount.name }}
+{{- end -}}
+{{- end -}}

mychart/templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "mychart.fullname" . }}
+  labels:
+    {{- include "mychart.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "mychart.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "mychart.selectorLabels" . | nindent 8 }}
+    spec:
+    {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+      serviceAccountName: {{ include "mychart.serviceAccountName" . }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository}}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: http
+              containerPort: 80
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /
+              port: http
+          readinessProbe:
+            httpGet:
+              path: /
+              port: http
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+    {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+    {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}

mychart/templates/ingress.yaml

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+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "mychart.fullname" . -}}
+{{- $svcPort := .Values.service.port -}}
+{{- if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
+apiVersion: networking.k8s.io/v1beta1
+{{- else -}}
+apiVersion: extensions/v1beta1
+{{- end }}
+kind: Ingress
+metadata:
+  name: {{ $fullName }}
+  labels:
+    {{- include "mychart.labels" . | nindent 4 }}
+  {{- with .Values.ingress.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+{{- if .Values.ingress.tls }}
+  tls:
+  {{- range .Values.ingress.tls }}
+    - hosts:
+      {{- range .hosts }}
+        - {{ . | quote }}
+      {{- end }}
+      secretName: {{ .secretName }}
+  {{- end }}
+{{- end }}
+  rules:
+  {{- range .Values.ingress.hosts }}
+    - host: {{ .host | quote }}
+      http:
+        paths:
+        {{- range .paths }}
+          - path: {{ . }}
+            backend:
+              serviceName: {{ $fullName }}
+              servicePort: {{ $svcPort }}
+        {{- end }}
+  {{- end }}
+{{- end }}

mychart/templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "mychart.fullname" . }}
+  labels:
+    {{- include "mychart.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    {{- include "mychart.selectorLabels" . | nindent 4 }}

mychart/templates/serviceaccount.yaml

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+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "mychart.serviceAccountName" . }}
+  labels:
+    {{- include "mychart.labels" . | nindent 4 }}
+  {{- with .Values.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end -}}