Azure DevOps - Static Web Apps failing within a Pipeline with container job

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parameters:
  - name: App_VariableGroup
    type: string
    default: my-defaults
    values:
      - my-defaults

trigger:
- main

pool:
  vmImage: ubuntu-latest

container: ubuntu:20.04

variables:
  - group: ${{ parameters.App_VariableGroup }}

steps:
- checkout: self
  submodules: true
- script: | 
    echo Hello, world! \n 
    ls -al
  displayName: 'Run a one-line script'
- task: AzureStaticWebApp@0
  inputs:
    app_location: $(publish_path)
    api_location: ''
    output_location: ''
    skip_app_build: true
    azure_static_web_apps_api_token: $(swa_deployment_token)

This code is failing with "container: ubuntu:20.04" and give the following error:

##[warning]Environment variable AGENT_CONTAINERMAPPING is a multiline string and cannot be added to the build environment.
/usr/bin/bash /__w/_tasks/AzureStaticWebApp_18aad896-e191-4720-88d6-8ced4806941a/0.200.0/launch-docker.sh
/__w/_tasks/AzureStaticWebApp_18aad896-e191-4720-88d6-8ced4806941a/0.200.0/launch-docker.sh: line 1: docker: command not found
##[error]Error: The process '/usr/bin/bash' failed with exit code 127
Finishing: AzureStaticWebApp

But the Task: AzureStaticWebApp@0 works fine with just the vmImage and no container.

I remember there is docker:dind concept that I used in gitlab-cicd but could anyone advice on what is going wrong here please?

docker azure-devops
1 Answers

One of the problems is that you need docker installed on your container. You may use this guide for how to do that.

However, there is another issue which seems to be a bug in the task itself causing it to fail, possibly related to not being able to load the AGENT_CONTAINERMAPPING environment variable. I ran into this bug myself with an Ubuntu container loaded with docker and other tools specific to my pipeline.

Please reference this bug I submitted to the Microsoft/azure-pipelines-task project for more details and to include your voice.

user_21090730
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