Rename and fix bootstrap node url env var (#234)

* Rename bootstrap node url env var and fix it in test config

* Remove redundant comment

config.example.yaml

@@ -3,7 +3,7 @@
 #  format: text
 #
 #bootstrap:
-#  bootstrap_node_url: http://localhost:8080   # set this url to bootstrap from remote node
+#  node_url: http://localhost:8080   # set this url to bootstrap from remote node
 #
 #rollup:
 #  sync_size: 50

config/config.go

@@ -35,7 +35,7 @@ func GetConfig() *Config {
 		Bootstrap: &BootstrapConfig{
 			Prune:            false, // overridden in main
 			GenesisAccounts:  getGenesisAccounts(),
-			BootstrapNodeURL: getStringOrNil("bootstrap.bootstrap_node_url"),
+			BootstrapNodeURL: getStringOrNil("bootstrap.node_url"),
 		},
 		Rollup: &RollupConfig{
 			SyncSize:               getUint32("rollup.sync_size", 50),
@@ -74,7 +74,7 @@ func GetTestConfig() *Config {
 		Bootstrap: &BootstrapConfig{
 			Prune:            false, // overridden in main
 			GenesisAccounts:  getGenesisAccounts(),
-			BootstrapNodeURL: getStringOrNil("rollup.bootstrap_node_url"),
+			BootstrapNodeURL: getStringOrNil("bootstrap.node_url"),
 		},
 		Rollup: &RollupConfig{
 			SyncSize:               getUint32("rollup.sync_size", 50),

deployment/staging/hubble-commander/secondary-config-map.yaml

@@ -8,5 +8,5 @@ metadata:
 data:
   HUBBLE_ETHEREUM_PRIVATE_KEY: ab6919fd6ac00246bb78657e0696cf72058a4cb395133d074eabaddb83d8b00c
   HUBBLE_POSTGRES_NAME: "secondary-hubble-commander"
-  HUBBLE_BOOTSTRAP_BOOTSTRAP_NODE_URL: http://localhost:8080
+  HUBBLE_BOOTSTRAP_NODE_URL: http://localhost:8080
   HUBBLE_API_PORT: "8081"

main/main.go

@@ -50,7 +50,6 @@ func configureLogger(cfg *config.Config) {
 	}
 
 	// Output to stdout instead of the default stderr
-	// Can be any io.Writer, see below for File example
 	log.SetOutput(os.Stdout)
 
 	// Only log the warning severity or above.