Merge pull request #3917 from tstromberg/cache_me_outside_how_bout_dat

start: Set the default value of --cache to true

cmd/minikube/cmd/start.go

@@ -132,8 +132,7 @@ func init() {
 	startCmd.Flags().String(networkPlugin, "", "The name of the network plugin")
 	startCmd.Flags().Bool(enableDefaultCNI, false, "Enable the default CNI plugin (/etc/cni/net.d/k8s.conf). Used in conjunction with \"--network-plugin=cni\"")
 	startCmd.Flags().String(featureGates, "", "A set of key=value pairs that describe feature gates for alpha/experimental features.")
-	// TODO(tstromberg): Flip cacheImages to true once it can be stabilized
-	startCmd.Flags().Bool(cacheImages, false, "If true, cache docker images for the current bootstrapper and load them into the machine.")
+	startCmd.Flags().Bool(cacheImages, true, "If true, cache docker images for the current bootstrapper and load them into the machine.")
 	startCmd.Flags().Var(&extraOptions, "extra-config",
 		`A set of key=value pairs that describe configuration that may be passed to different components.
 		The key should be '.' separated, and the first part before the dot is the component to apply the configuration to.