fix incorrect path for cached docker image
fix incorrect path for cached docker image

alerta/kapacitor,influxdb/kapacitor,influxdata/kapacitor,adityacs/kapacitor,influxdata/kapacitor,muxinc/kapacitor,alerta/kapacitor,adityacs/kapacitor,yosiat/kapacitor,sputnik13/kapacitor,yosiat/kapacitor,bbczeuz/kapacitor,muxinc/kapacitor,titilambert/kapacitor,muxinc/kapacitor,sputnik13/kapacitor,adityacs/kapacitor,alerta/kapacitor,influxdb/kapacitor,titilambert/kapacitor,influxdata/kapacitor,titilambert/kapacitor,yosiat/kapacitor,bbczeuz/kapacitor,sputnik13/kapacitor,influxdb/kapacitor,bbczeuz/kapacitor