Test save/load logic

.github/workflows/on-push.yml

@@ -0,0 +1,13 @@
+name: Testing only
+on:
+    push:
+        branches:
+            - *
+
+jobs:
+    build:
+        runs-on: ubuntu-18.04
+        steps:
+        - uses: actions/checkout@v1
+        - name: Run Build script
+          run: sudo ./build-test.sh

build-test.sh

@@ -0,0 +1,8 @@
+docker --version
+wget -q "https://raw.githubusercontent.com/getumbrel/umbrel-compose/master/docker-compose.yml"
+IMAGES=$(grep '^\s*image' docker-compose.yml | sed 's/image://' | sed 's/\"//g' | sed '/^$/d;s/[[:blank:]]//g' | sort | uniq)
+echo "List of images to download: $IMAGES"
+docker pull --platform=linux/arm/v7 $IMAGES
+docker images 
+docker save $IMAGES -o umbrel-docker-images.tar
+ls -al