fix(docker): phySim image was always built on the latest of develop branch and...

fix(docker): phySim image was always built on the latest of develop branch and not current code for merge requests
Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

docker/Dockerfile.phySim.rhel8.2

@@ -27,6 +27,10 @@
 
 FROM ran-base:latest AS phy-sim-build
 
+RUN rm -Rf /oai-ran
+WORKDIR /oai-ran
+COPY . .
+
 #run build_oai to build the target image
 RUN /bin/sh oaienv && \ 
     cd cmake_targets && \