Rebuild web sources on container build (#1410)
Rebuild web sources on container build (#1410)

* rebuild web sources on container build

* remove -e from build.sh script

parthea/datalab,googledatalab/datalab,yebrahim/datalab,parthea/datalab,yebrahim/datalab,yebrahim/datalab,parthea/datalab,craigcitro/datalab,googledatalab/datalab,parthea/datalab,craigcitro/datalab,yebrahim/datalab,googledatalab/datalab,googledatalab/datalab,parthea/datalab,yebrahim/datalab,parthea/datalab,craigcitro/datalab,googledatalab/datalab,craigcitro/datalab,googledatalab/datalab,craigcitro/datalab