Simplify docker build

We don't need kfserving images since we updated our cluster
to 1.20

dockerfiles/Dockerfile

@@ -2,8 +2,6 @@
 ARG BASE_IMAGE=registry.access.redhat.com/ubi8/ubi:latest
 FROM ${BASE_IMAGE}
 
-ARG USER=genienlp
-
 MAINTAINER Thingpedia Admins <thingpedia-admins@lists.stanford.edu>
 
 USER root
@@ -12,7 +10,6 @@ USER root
 COPY . /opt/genienlp
 
 # install basic tools and python3, install dependencies, and then cleanup
-# HACK: we need to download the wheel manually or docker will die
 RUN dnf -y install git gcc gcc-c++ make cmake && \
     dnf -y module enable python38 \
         && dnf -y install python38 \
@@ -30,10 +27,7 @@ RUN dnf -y install git gcc gcc-c++ make cmake && \
 
 # add user genienlp
 RUN useradd -ms /bin/bash -r genienlp
-
-# User root is required for kfserving until https://github.com/aws/amazon-eks-pod-identity-webhook/issues/8 is fixed.
-# There is a workaround by changing pod fsgroup but kfserving inference service cannot set pod level security context.
-USER ${USER}
+USER genienlp
 
 WORKDIR /home/genienlp
 ENTRYPOINT ["/opt/genienlp/dockerfiles/start.sh"]

dockerfiles/hooks/build

@@ -10,14 +10,6 @@ case $DOCKER_TAG in
 		docker build --build-arg BASE_IMAGE=nvidia/cuda:10.1-runtime-ubi8 -f $(basename $DOCKERFILE_PATH) -t $IMAGE_NAME ..
 	;;
 
-	*-cuda-kfserver)
-		docker build --build-arg BASE_IMAGE=nvidia/cuda:10.1-runtime-ubi8 --build-arg USER=root -f $(basename $DOCKERFILE_PATH) -t $IMAGE_NAME ..
-	;;
-
-	*-kfserver)
-		docker build --build-arg USER=root -f $(basename $DOCKERFILE_PATH) -t $IMAGE_NAME ..
-	;;
-
 	*)
 		docker build -f $(basename $DOCKERFILE_PATH) -t $IMAGE_NAME ..
 	;;

dockerfiles/hooks/post_push

@@ -10,12 +10,6 @@ case $DOCKER_TAG in
 	*-cuda)
 		version=${version}-cuda
 	;;
-	*-cuda-kfserver)
-		version=${version}-cuda-kfserver
-	;;
-	*-kfserver)
-		version=${version}-kfserver
-	;;
 esac
 docker tag $IMAGE_NAME $DOCKER_REPO:$version
 docker push $DOCKER_REPO:$version