Add Action to publish to Docker Hub

Author: jangrewe

Diff for: .github/workflows/docker-image.yml

@@ -0,0 +1,42 @@
+name: Docker Image CI
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: |
+            jangrewe/gitlab-ci-android
+          tags: |
+            type=ref,event=branch
+            type=ref,event=tag
+            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'master') }}
+          flavor: latest=true
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Login to DockerHub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+      - name: Build and push
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Diff for: Dockerfile

@@ -1,7 +1,7 @@
 FROM ubuntu:20.04
 MAINTAINER Jan Grewe <jan@faked.org>
 
-ENV VERSION_TOOLS "7583922"
+ENV VERSION_TOOLS "8512546"
 
 ENV ANDROID_SDK_ROOT "/sdk"
 # Keep alias for compatibility