Use lowercase repo as the docker tag

GitHub Packages (just like Docker Hub) doesn't allow repos containing uppercase chars.

There is also no need to use string concatenation.

scripts/build_and_push.sh

@@ -48,22 +48,22 @@ fi
 # Image Push location
 REGISTRY=${REGISTRY:-"ghcr.io"}
 IMAGE_REPOSITORY=${IMAGE_NAME:-$GITHUB_REPOSITORY}
-IMAGE_LOCATION=$REGISTRY/$IMAGE_REPOSITORY
+IMAGE_LOCATION=$(echo "$REGISTRY/$IMAGE_REPOSITORY" | tr '[:upper:]' '[:lower:]')
 
 TAG="$IMAGE_LOCATION:py${PUBLISH_TARGET}-${PACKAGE_VERSION}"
 
 TAGS="  -t $TAG"
 
 # For the latest version we do extra stuff.
 if [[ ! -z $PACKAGE_LATEST_VERSION ]] && [[ $PACKAGE_LATEST_VERSION = $PACKAGE_VERSION ]]; then
-  TAGS+=" -t $IMAGE_LOCATION:py${PUBLISH_TARGET}-LATEST"
+  TAGS=" -t $IMAGE_LOCATION:py${PUBLISH_TARGET}-LATEST"
 
   VERSION_SHORTER=$(echo $PACKAGE_VERSION | cut -d"." -f1,2)
-  TAGS+=" -t $IMAGE_LOCATION:py${PUBLISH_TARGET}-${VERSION_SHORTER}"
+  TAGS=" -t $IMAGE_LOCATION:py${PUBLISH_TARGET}-${VERSION_SHORTER}"
 
   VERSION_SHORTERER=$(echo $PACKAGE_VERSION | cut -d"." -f1)
   if [[ $VERSION_SHORTERER != "0" ]]; then
-    TAGS+=" -t $IMAGE_LOCATION:py${PUBLISH_TARGET}-${VERSION_SHORTERER}"
+    TAGS=" -t $IMAGE_LOCATION:py${PUBLISH_TARGET}-${VERSION_SHORTERER}"
   fi
 fi