Update Dockerfile

Dockerfile

@@ -81,8 +81,8 @@ RUN /bin/bash /home/user/spack-environments/spack_setup.sh -b ${toolchain}
 # If the toolchain variable is 'global' then exit(0) and do nothing else clone octopus, load toolchains and make and test octopus
 ENV MODULEPATH=/home/user/spack-environments/lmod/Core:/etc/lmod/modules:/usr/share/lmod/lmod/modulefiles
 ENV MPIEXEC=orterun
-ENV OMP_NUM_THREADS=1
-ENV OCT_TEST_NJOBS=4
+ENV OMP_NUM_THREADS=2
+ENV OCT_TEST_NJOBS=2
 ENV OCT_TEST_MPI_NPROCS=2
 RUN if [ "${toolchain}" = "global" ]; \
     then exit 0; \