fix: updated to jetty:9.4-jdk17-eclipse-temurin and added milti-architecture support

Author: ecow

Dockerfile

@@ -8,7 +8,7 @@ RUN wget -O /blazegraph.war https://github.com/blazegraph/database/releases/down
 	unzip /blazegraph.war -d /sdaas
 
 ### production stage ###
-FROM jetty:9.4-jdk16-slim
+FROM jetty:9.4-jdk17-eclipse-temurin
 
 LABEL authors="enrico@linkeddata.center"
 

README.md

@@ -71,14 +71,9 @@ To persist data and improve performances, you should mount as a fast volume the
 To push a new docker image to docker hub:
 
 ```
-docker login
-NAME="linkeddatacenter/sdaas-rdfstore" MAJOR="2" MINOR="2" PATCH="0"
-docker build -t $NAME:$MAJOR.$MINOR.$PATCH .
-docker tag $NAME:$MAJOR.$MINOR.$PATCH $NAME:$MAJOR.$MINOR
-docker tag $NAME:$MAJOR.$MINOR.$PATCH $NAME:$MAJOR 
-docker tag $NAME:$MAJOR.$MINOR.$PATCH $NAME:latest 
-docker push $NAME:$MAJOR.$MINOR.$PATCH
-docker push $NAME:$MAJOR.$MINOR
-docker push $NAME:$MAJOR
-docker push $NAME:latest
-```
+# docker login
+# docker buildx create --name multi-arch-builder
+
+NAME="linkeddatacenter/sdaas-rdfstore" MAJOR="2" MINOR="2" PATCH="1"
+docker buildx build --builder multi-arch-builder  --platform linux/arm64,linux/amd64 --build-arg MODE=prod --push -t $NAME:$MAJOR.$MINOR.$PATCH .
+```