Speficy group and user id in Dockerfile

Dockerfile

@@ -21,7 +21,7 @@ COPY deb/crowdstrike-cs-falconhoseclient_2.18.0_amd64.deb "${WORKDIR}/crowdstrik
 RUN dpkg -i "${WORKDIR}/crowdstrike.deb"
 
 # Prepare a simple user instead of root
-RUN groupadd -r user && useradd -r -g user user
+RUN groupadd -g 1000 user && useradd -r -u 1000 -g user user
 RUN chown -R user:user /var/log/crowdstrike/falconhoseclient
 RUN chmod -R 755 /var/log/crowdstrike/falconhoseclient
 RUN chown -R user:user /opt/crowdstrike/etc