Added GitHub action to build and push updated Docker images

.github/workflows/dockerbuild.yml

@@ -0,0 +1,49 @@
+name: Container Processing
+
+on:
+ push:
+ branches: [ "main" ]
+
+jobs:
+
+ build:
+
+ runs-on: ubuntu-latest
+
+ steps:
+ - uses: actions/checkout@v3
+ - name: Get tag
+ id: get_tag
+ run: |
+ echo "::set-output name=IMAGE_TAG::$(echo $GITHUB_REF | cut -d / -f 3)"
+
+ - name: Set up qemu
+ uses: docker/setup-qemu-action@v2
+ with:
+ platforms: all
+
+ - name: Set up Docker Buildx
+ id: buildx
+ uses: docker/setup-buildx-action@v2
+ with:
+ version: latest
+
+ - name: Docker Login
+ run: echo "${{ secrets.DOCKER_TOKEN }}" | docker login --username "${{ secrets.DOCKER_USERNAME }}" --password-stdin
+
+ - name: Build Images
+ env: 
+ # Every folder in the repo that has a Dockerfile within it, comma separated 
+ DOCKERFOLDERS: "tracker,piaware,pan-tilt-pi,notebook-server,mqtt,egi,axis-ptz"
+ PROJECT_NAME: "skyscan"
+ run: |
+ IFS=","
+ read -ra ARR <<< "$DOCKERFOLDERS"
+ for folder in "${ARR[@]}"
+ do 
+ echo "Building $folder"
+ docker buildx build $folder --push \
+ --tag ${{ secrets.DOCKER_USERNAME }}/$PROJECT_NAME-$folder:latest \
+ --tag ${{ secrets.DOCKER_USERNAME }}/$PROJECT_NAME-$folder:${{ steps.get_tag.outputs.IMAGE_TAG }} \
+ --platform linux/arm64,linux/amd64
+ done