Bitbucket pipeline file for building Android app apk files with Flutter

bitbucket-pipelines.yml

# You can run the pipeline image locally using the following command:
# docker run --platform linux/amd64 -it --volume="$PWD:/app" --workdir="/app" --entrypoint=/bin/bash avetkhov/flutter:latest

definitions:
  caches:
    pub: ~/.pub-cache # $PUB_CACHE default value
    flutter: /opt/flutter # flutter sdk path
  steps:
    - step: &flutter-run
        name: Flutter Test
        image: avetkhov/flutter:latest
        caches:
          - pub
          - flutter
        script:
          - flutter channel master
          - flutter upgrade --force
          - flutter precache
          - flutter pub get
          - flutter test

pipelines:
  default:
    - step: *flutter-run
    - step:
          name: Build Android
          image: avetkhov/flutter:latest
          caches:
            - pub
            - flutter
          script:
            - flutter channel master
            - flutter upgrade --force
            - flutter precache
            - flutter pub get
            - flutter build apk --debug
          artifacts:
            - build/app/outputs/flutter-apk/**
    - step:
        name: Create Download
        deployment: Test
        script:
          - pipe: atlassian/bitbucket-upload-file:0.3.4
            variables:
              BITBUCKET_USERNAME: $BITBUCKET_USERNAME
              BITBUCKET_APP_PASSWORD: $BITBUCKET_APP_PASSWORD # needs Repo Read and Write permission
              # uploaded to https://bitbucket.org/{repo_org}/{repo_name}/downloads/
              FILENAME: "build/app/outputs/flutter-apk/*.apk"