Workflow improvements

.github/workflows/docker-push.yml

@@ -49,7 +49,7 @@ jobs:
           fi
 
           docker_file="Dockerfile"
-          base_image=$(grep 'FROM ' $docker_file | tail -1 | cut -f1 -d' ')
+          base_image=$(grep 'FROM ' $docker_file | tail -1 | cut -f2 -d' ')
 
           if [[ -z "$base_image" ]] ; then
             echo "::error::Can't extract base image info"
@@ -75,23 +75,23 @@ jobs:
           echo -e "::group::\033[34mDownloading built image…\033[0m"
 
           if ! docker pull ghcr.io/${{env.IMAGE_NAME}}:latest ; then
-            echo "::error::Can't download image ${{env.IMAGE_NAME}}:latest"
+            echo "::error::Can't download image ghcr.io/${{env.IMAGE_NAME}}:latest"
             exit 1
           fi
 
           echo "::endgroup::"
           echo -e "::group::\033[34mDownloading base image…\033[0m"
 
-          if ! docker pull ${{steps.metadata.outputs.base_image}} ; then
-            echo "::error::Can't download image ${{steps.metadata.outputs.base_image}}"
+          if ! docker pull ${{steps.metadata.outputs.baseimage}} ; then
+            echo "::error::Can't download image ${{steps.metadata.outputs.baseimage}}"
             exit 1
           fi
 
           echo "::endgroup::"
 
-          base_layer=$(docker inspect "${{steps.metadata.outputs.base_image}}" | jq -r '.[0].RootFS.Layers[-1]')
+          base_layer=$(docker inspect "${{steps.metadata.outputs.baseimage}}" | jq -r '.[0].RootFS.Layers[-1]')
 
-          if [[ -z "$base_image" ]] ; then
+          if [[ -z "$base_layer" ]] ; then
             echo "::error::Can't extract layers info from base image"
             exit 1
           fi