Correct Dockerfile to match #2269
Correct Dockerfile to match #2269

Fixes `failed to build: COPY failed: stat /var/lib/docker/tmp/…/.eslintrc: no such file or directory`

onaio/kpi,onaio/kpi,kobotoolbox/kpi,kobotoolbox/kpi,kobotoolbox/kpi,onaio/kpi,onaio/kpi,kobotoolbox/kpi,kobotoolbox/kpi