docker-container-functionapp.yml

# Docker image, Azure Container Registry, and Azure Functions app
# Build a Docker image, push it to an Azure Container Registry, and deploy it to an Azure Functions app.
# https://docs.microsoft.com/azure/devops/pipelines/languages/docker

trigger:
- {{ branch }}

resources:
- repo: self

variables:
  # ========================================================================
  #                          Mandatory variables
  # ========================================================================

 # Update Azure.ResourceGroupName value with Azure resource group name.
  Azure.ResourceGroupName: '{{#toAlphaNumericString repositoryName 50}}{{/toAlphaNumericString}}'

  # Update Azure.ServiceConnectionId value with AzureRm service endpoint.
  Azure.ServiceConnectionId: '{{ azureServiceConnectionId }}'

  # Update Azure.Location value with Azure Location.
  Azure.Location: 'eastus'

  # Update ACR.Name value with ACR name. Please note ACR names should be all lower-case and alphanumeric only.
  ACR.Name: '{{#toAlphaNumericString repositoryName 46}}{{/toAlphaNumericString}}{{#shortGuid}}{{/shortGuid}}'

  # Update FunctionApp.Name value with a name that identifies your new function app. Valid characters are a-z, 0-9, and -.
  FunctionApp.Name: '{{#toAlphaNumericString repositoryName 46}}{{/toAlphaNumericString}}{{#shortGuid}}{{/shortGuid}}'

  # Update StorageAccount.Name value with Storage account name. Storage account names must be between 3 and 24 characters in length and use numbers and lower-case letters only.
  StorageAccount.Name: '{{#toAlphaNumericString repositoryName 20}}{{/toAlphaNumericString}}{{#shortGuid}}{{/shortGuid}}'

  # Update ServicePlan.Name value with a name of the app service plan.
  ServicePlan.Name: '{{#toAlphaNumericString repositoryName 45}}{{/toAlphaNumericString}}-plan'

  # ========================================================================
  #                           Optional variables
  # ========================================================================

  ACR.ImageName: '$(ACR.Name):$(Build.BuildId)'
  ACR.FullName: '$(ACR.Name).azurecr.io'
  ACR.Sku: 'Standard'
  Azure.CreateResources: 'true' # Update Azure.CreateResources to false if you have already created resources like resource group and azure container registry.
  System.Debug: 'false'

jobs:

- job: CreateResources
  displayName: Create resources
  condition: and(succeeded(), eq(variables['Azure.CreateResources'], 'true'))

  pool:
    {{ pool }}

  steps:
  - task: AzureResourceGroupDeployment@2
    displayName: 'Azure Deployment:Create Azure Container Registry, Azure WebApp Service'
    inputs:
      azureSubscription: '$(Azure.ServiceConnectionId)'
      resourceGroupName: '$(Azure.ResourceGroupName)'
      location: '$(Azure.Location)'
      templateLocation: 'URL of the file'
      csmFileLink: 'https://raw.githubusercontent.com/Microsoft/azure-pipelines-yaml/master/templates/resources/arm/functionapp.json'
      overrideParameters: '-registryName "$(ACR.Name)" -registryLocation "$(Azure.Location)" -functionAppName "$(FunctionApp.Name)" -hostingPlanName "$(ServicePlan.Name)" -storageAccountName "$(StorageAccount.Name)"'

- job: BuildImage
  displayName: Build
  dependsOn: CreateResources
  condition: or(succeeded(), ne(variables['Azure.CreateResources'], 'true'))

  pool:
    {{ pool }}

  steps:
  - task: Docker@1
    displayName: 'Build an image'
    inputs:
      azureSubscriptionEndpoint: '$(Azure.ServiceConnectionId)'
      azureContainerRegistry: '$(ACR.FullName)'
      imageName: '$(ACR.ImageName)'
      command: build
      dockerFile: '**/Dockerfile'

  - task: Docker@1
    displayName: 'Push an image'
    inputs:
      azureSubscriptionEndpoint: '$(Azure.ServiceConnectionId)'
      azureContainerRegistry: '$(ACR.FullName)'
      imageName: '$(ACR.ImageName)'
      command: push

- job: DeployApp
  displayName: Deploy
  dependsOn: BuildImage
  condition: succeeded()

  pool:
    {{ pool }}

  steps:
  - task: AzureFunctionAppContainer@1
    displayName: 'Azure Function App on Container Deploy: $(FunctionApp.Name)'
    inputs:
      azureSubscription: '$(Azure.ServiceConnectionId)'
      appName: $(FunctionApp.Name)
      imageName: '$(ACR.FullName)/$(ACR.ImageName)'