Flutter Build APK in Docker

# android/app/build/build.gradle -> It should match compileSdkVersion=28
# is the API version of Android that you compile against.
ANDROID_COMPILE_SDK "28" 

# -> It should match buildToolsVersion
# is the version of the compilers (aapt, dx, renderscript compiler, etc...) that you want to use.
ANDROID_BUILD_TOOLS "29.0.2" 

# It's what version of the command line tools we're going to download from the official site.
# So, that number really just comes from the latest version available there.
ANDROID_SDK_TOOLS   "4333796" 


FLUTTER_VERSION     "1.9.1+hotfix.5"

Docker Hub

docker pull jhbez/flutter-build-apk

Github Packages

docker pull docker.pkg.github.com/joinher/flutter-build-apk/flutter-build-apk

GitLab CI/CD .gitlab-ci.yml

image: jhbez/flutter-build-apk

stages:
  - build

build:apk:
  stage: build
  script:
    - flutter build apk
  artifacts:
    paths:
     - build/app/outputs/apk
build:bundle:
  stage: build
  script:
    - flutter build appbundle
  artifacts:
    paths:
      - build/app/outputs/bundle