docker: Run bash set -e to exit with non-zero status

Author: plexoos

Dockerfile

@@ -24,6 +24,7 @@ COPY . ${STAR}
 SHELL ["/bin/bash", "-l", "-c"]
 
 RUN <<EOF
+	set -e
 	SKIP_DIRS="pams/sim/g2r OnlTools StRoot/StShadowMaker" cons
 	find .$STAR_HOST_SYS -name *.o -exec rm '{}' \;
 EOF