github workflow file added

.github/workflows/build.yml

@@ -0,0 +1,41 @@
+# This is a basic workflow to help you get started with Actions
+
+name: Auto-CI
+
+# Controls when the workflow will run
+on:
+  # Triggers the workflow on push or pull request events but only for the "master" branch
+  push:
+    branches: [ "master" ]
+#  pull_request:
+#    branches: [ "master" ]
+  schedule:
+  #   # UTC time 3:00 = 5:00 CET
+    - cron: '30 3 * * 6'
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build-amd64:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v3
+      - name: build image - AMD64
+        run: |
+          docker build --rm -t croc/minidlna . || { echo "docker image build failed - amd64"; exit 1; }
+          docker images croc/minidlna
+      - name: push container
+        env:
+          DOCKERHUB_USER: ${{ secrets.DOCKERHUB_USER }}
+          DOCKERHUB_PASS: ${{ secrets.DOCKERHUB_PASS }}
+        run: |
+          echo "$DOCKERHUB_PASS" | docker login --username=$DOCKERHUB_USER --password-stdin
+          docker images | grep -iw minidlna
+          # push latest images
+          docker push croc/minidlna