fix: respond to all review comments

plugins/network/network.go

@@ -33,7 +33,7 @@ func GetContainerIpaddress(appName string, procType string, isHerokuishContainer
 
 	b, err := imageCmd.Output()
 	if err != nil || len(b) == 0 {
-		// docker < .19 compatibility
+		// docker < 1.9 compatibility
 		imageCmd = common.NewShellCmd(strings.Join([]string{
 			"docker",
 			"inspect",
@@ -124,7 +124,7 @@ func BuildConfig(appName string) {
 			continue
 		}
 
-		procParts := strings.SplitAfterN(line, ":", 2)
+		procParts := strings.SplitN(line, "=", 2)
 		if len(procParts) != 2 {
 			continue
 		}
@@ -135,7 +135,7 @@ func BuildConfig(appName string) {
 		}
 
 		containerIndex := 0
-		for containerIndex <= procCount {
+		for containerIndex < procCount {
 			containerIndex += 1
 			containerIdFile := fmt.Sprintf("%v/CONTAINER.%v.%v", appRoot, procType, containerIndex)
 

plugins/network/src/triggers/network-write-ipaddr/network-write-ipaddr.go

@@ -31,6 +31,7 @@ func main() {
 	if err != nil {
 		common.LogFail(err.Error())
 	}
+	defer f.Close()
 
 	ipBytes := []byte(ip)
 	_, err = f.Write(ipBytes)

plugins/network/src/triggers/network-write-port/network-write-port.go

@@ -31,6 +31,7 @@ func main() {
 	if err != nil {
 		common.LogFail(err.Error())
 	}
+	defer f.Close()
 
 	portBytes := []byte(port)
 	_, err = f.Write(portBytes)