Fixed Tagging issues in build_command.sh. Also added lines to catch command failures in Gitlab's CI.

build_command.sh

@@ -1,5 +1,8 @@
 #!/usr/bin/env sh
-set -x
+
+set -x # For verbosity
+set -o errexit # The following two causes the script to fail even if one command fail.
+set -o pipefail
 
 export BUILDER_NAME=`docker buildx create --use`
 docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
@@ -10,8 +13,8 @@ then
     docker buildx build . \
         -f Dockerfile \
         --build-arg UBUNTU_VER=$UBUNTU_VER \
-        -t $CI_REGISTRY/docker/$CI_PROJECT_NAME:ubuntu-$UBUNTU_VER:`date "+%Y-%m-%d"` \
-        -t $CI_REGISTRY/docker/$CI_PROJECT_NAME:ubuntu-$UBUNTU_VER:latest \
+        -t $CI_REGISTRY/docker/$CI_PROJECT_NAME/ubuntu-$UBUNTU_VER:`date "+%Y-%m-%d"` \
+        -t $CI_REGISTRY/docker/$CI_PROJECT_NAME/ubuntu-$UBUNTU_VER:latest \
         -t $CI_REGISTRY/docker/$CI_PROJECT_NAME:$UBUNTU_VER \
         --platform $PLATFORMS \
         --push --provenance false