issue-188: update Dockerfile

Dockerfile

@@ -9,10 +9,10 @@ RUN groupadd -r ontostring && useradd -r --create-home -g ontostring ontostring
 RUN if [ ! -d /var/log/ontotools/ ];then mkdir /var/log/ontotools/;fi
 RUN chown -R ontostring:ontostring /var/log/ontotools
 
-USER ontostring
-
 COPY . /home/ontostring/
 RUN cd /home/ontostring/ && mvn clean package spring-boot:repackage -DskipTests=true
 
+USER ontostring
+
 # Launch application server
 ENTRYPOINT exec $JAVA_HOME/bin/java $XMX $XMS -jar -Dspring.profiles.active=$ENVIRONMENT -Dhttp.proxyHost=hh-wwwcache.ebi.ac.uk -Dhttp.proxyPort=3128 -Dhttps.proxyHost=hh-wwwcache.ebi.ac.uk -Dhttps.proxyPort=3128 -Dhttp.proxySet=true -Dhttps.proxySet=true /home/ontostring/target/ontostring-*.war