Merge branch 'dev' into release-0.1

Dockerfile

@@ -2,6 +2,9 @@
 FROM alpine:3 AS base
 WORKDIR /app
 
+# Install necessary packages
+RUN apk add --no-cache iproute2
+
 
 # ---- Build ----
 FROM golang:1.19-alpine AS build

cmd/app/main.go

@@ -37,6 +37,11 @@ func main() {
 	iface := os.Getenv("INTERFACE")
 	//MANAGE_ALL = os.Getenv("MANAGE_ALL")
 
+	// Check if ip2Map has init-errors
+	for _, err := range ip2Map.Errors {
+		logger.Warn.Printf("iproute2mapping: %s", err)
+	}
+
 	// Parse filter-env-vars
 	filterProtocolStr := os.Getenv("FILTER_PROTOCOL")
 	filterProtocol, err := ip2Map.TryGetId(ip2Map.PROTOCOL, filterProtocolStr)

lib/iproute2mapping/mapping.go

@@ -32,9 +32,9 @@ func init() {
 	for mapType, filePath := range filePaths{
 		ByName[mapType], ById[mapType], err = readFromFile(filePath)
 		if(err != nil){
-			Errors = []error{
-				fmt.Errorf("failed reading iproute2 mapping-file '%s': %s", filePath, err),
-				};
+			Errors = append(Errors,
+				fmt.Errorf("failed reading mapping-file '%s': %s", filePath, err),
+			);
 		}
 	}
 }