Update action.yml

Author: vukan-markovic

action.yml

@@ -4,42 +4,6 @@ author: 'Vukan-Markovic <vukan.markovic97@gmail.com>'
 branding:
   icon: 'box'
   color: 'green'
-on:
-  pull_request:
-    branches:
-      - 'master'
-  push:
-    branches:
-      - 'master'
-
-jobs:
-  test:
-    name: Unit Tests
-    runs-on: ubuntu-18.04
-
-    steps:
-      - uses: actions/checkout@v1
-      - name: Set up JDK 1.8
-        uses: actions/setup-java@v1
-        with:
-          java-version: 1.8
-      - name: Run Unit tests
-        run: bash ./gradlew test --stacktrace
-
-  apk:
-    name: Generate APK
-    runs-on: ubuntu-18.04
-
-    steps:
-      - uses: actions/checkout@v1
-      - name: Set up JDK 1.8
-        uses: actions/setup-java@v1
-        with:
-          java-version: 1.8
-      - name: Build debug APK
-        run: bash ./gradlew assembleDebug --stacktrace
-      - name: Create APK artifact
-        uses: actions/upload-artifact@v1
-        with:
-          name: app
-          path: app/build/outputs/apk/debug/app-debug.apk
+runs:
+  using: 'docker'
+  image: 'Dockerfile'