deploy-pi-hole-original.yaml

name: <container_group_name>
apiVersion: '2018-10-01'
location: '<location>'
tags: {}
properties:
  containers:
  - name: <container_name>
    properties:
      image: pihole/pihole:latest
      ports:
      - protocol: UDP
        port: 53
      - protocol: UDP
        port: 67
      - protocol: TCP
        port: 80
      - protocol: TCP
        port: 443
      environmentVariables:
      - name: TZ
        value: Asia/Kolkata
      - name: WEBPASSWORD
        value: <custom_large_string>
      resources:
        requests:
          memoryInGB: 1
          cpu: 1
      volumeMounts:
      - name: pihole
        mountPath: /etc/pihole/
        readOnly: false
      - name: dnsmasq
        mountPath: /etc/dnsmasq.d/
        readOnly: false
  restartPolicy: Always
  ipAddress:
    ports:
    - protocol: UDP
      port: 53
    - protocol: UDP
      port: 67
    - protocol: TCP
      port: 80
    - protocol: TCP
      port: 443
    type: public
    dnsNameLabel: <custom_dnsname>
  osType: Linux
  volumes:
  - name: pihole
    azureFile:
      shareName: etc-pihole
      readOnly: false
      storageAccountName: <storage_name>
      storageAccountKey: <value of $STORAGE_KEY>
  - name: dnsmasq
    azureFile:
      shareName: etc-dnsmasq
      readOnly: false
      storageAccountName: <storage_name>
      storageAccountKey: <value of $STORAGE_KEY>

Deploy-PiHoleToAzure.ps1

# Source: https://dev.to/ganesshkumar/pi-hole-in-azure-container-instances-4abf

# Download  Azure CLI optionally
#Invoke-WebRequest -Uri https://aka.ms/installazurecliwindows -OutFile .\AzureCLI.msi; Start-Process msiexec.exe -Wait -ArgumentList '/I AzureCLI.msi /quiet'; rm .\AzureCLI.msi

cd $PSScriptRoot

$subscriptionId = "1231321332144" # shown after logging in with 'az login'

$rgName = "rg-pi-hole"
$location = "WestEurope" # use 'az account list-locations' to list all locations
$storageName = "piholestorage"
$containerGroupName = "pi-hole-container-group"
$containerName = "pi-hole-container"
$yamlOriginalFileName = "deploy-pi-hole-original.yaml"
$yamlModifiedFileName = "deploy-pi-hole.yaml"
$customDnsName = "pihole"
$webPassword = "superSecretLongAndCrazyPass22..334"

az login
az account set --subscription $subscriptionId
az group create --name $rgName --location $location
az storage account create --resource-group $rgName --name $storageName --location $location --sku Standard_LRS
az storage share create --account-name $storageName --name etc-pihole
az storage share create --account-name $storageName --name etc-dnsmasq

$STORAGE_KEY=$(az storage account keys list --resource-group $rgName --account-name $storageName --query "[0].value" --output tsv)

# prepare yaml file
$stringsToReplace = @(
    @("<location>", $location),
    @("<container_group_name>", $containerGroupName),
    @("<container_name>", $containerName),
    @("<custom_large_string>", $webPassword),
    @("<custom_dnsname>", $customDnsName),
    @('<value of $STORAGE_KEY>', $STORAGE_KEY),
    @('<storage_name>', $storageName)
)

Copy-Item -Path $yamlOriginalFileName -Destination $yamlModifiedFileName

# Replacing all placeholder in the yaml file
foreach($replace in $stringsToReplace){
    (Get-Content $yamlModifiedFileName).replace($replace[0], $replace[1]) | Set-Content $yamlModifiedFileName
}

az container create --resource-group $rgName --file $yamlModifiedFileName

az container show --resource-group $rgName --name $containerGroupName --query ipAddress.ip --output tsv