disable leader election by default DK-2475 (#5)

* disable leader election by default

* Update README.md

* set default false

README.md

@@ -47,7 +47,7 @@ Available env variables:
 |-------|-------------| --------|
 | `METRICS_ADDR` | The address of the metric endpoint binds to. | `:9556` |
 | `PROBE_ADDR` | The address of the probe endpoints binds to. | `:9557` |
-| `ENABLE_LEADER_ELECTION` | Enable leader election for controller manager. | `true` |
+| `ENABLE_LEADER_ELECTION` | Enable leader election for controller manager. | `false` |
 | `LEADER_ELECTION_NAMESPACE` | Change the leader election namespace. This is by default the same where the controller is deployed. | `` |
 | `NAMESPACES` | The controller listens by default for all namespaces. This may be limited to a comma delimited list of dedicated namespaces. | `` |
 | `CONCURRENT` | The number of concurrent reconcile workers.  | `4` |

main.go

@@ -44,7 +44,7 @@ var (
 var (
 	metricsAddr             = ":9556"
 	probesAddr              = ":9557"
-	enableLeaderElection    = true
+	enableLeaderElection    = false
 	leaderElectionNamespace = ""
 	namespaces              = ""
 	concurrent              = 4
@@ -60,7 +60,7 @@ func init() {
 func main() {
 	flag.StringVar(&metricsAddr, "metrics-addr", ":9556", "The address of the metric endpoint binds to.")
 	flag.StringVar(&probesAddr, "probe-addr", ":9557", "The address of the probe endpoints bind to.")
-	flag.BoolVar(&enableLeaderElection, "enable-leader-election", true,
+	flag.BoolVar(&enableLeaderElection, "enable-leader-election", false,
 		"Enable leader election for controller manager. "+
 			"Enabling this will ensure there is only one active controller manager.")
 	flag.StringVar(&leaderElectionNamespace, "leader-election-namespace", "",