moved apt commands further to the beginning

Dockerfile

@@ -2,10 +2,12 @@ FROM golang:1.16-buster AS builder
 ARG GITLAB_USER
 ARG GITLAB_TOKEN
 ARG BUILDARGS
-WORKDIR /src/gosdn
-COPY . .
+
 RUN apt-get update && apt-get install -y git
 RUN git config --global url."https://$GITLAB_USER:$GITLAB_TOKEN@code.fbi.h-da.de".insteadOf "https://code.fbi.h-da.de"
+
+WORKDIR /src/gosdn
+COPY . .
 RUN GOOS=linux go build $BUILDARGS ./cmd/gosdn
 
 FROM debian:latest

cmd/root.go

@@ -86,7 +86,7 @@ func init() {
 	rootCmd.Flags().StringVar(&grpcPort, "grpc-port", "55055", "port for gRPC NBI")
 }
 
-// initConfig reads in config file and ENV variables if set.
+// initConfig reads in config file and ENV variables if set
 func initConfig() {
 	if cfgFile != "" {
 		// Use config file from the flag.