fix flags

Dockerfile

@@ -1,13 +1,17 @@
 FROM golang:1.19-alpine as builder
 
-RUN apk --update --no-cache add make git g++ linux-headers
+RUN apk --update --no-cache add gcc libc-dev
 # DEBUG
 RUN apk add busybox-extras
 
 # Get and build tx-spammer
-ADD . /go/src/github.com/cerc-io/tx-spammer
 WORKDIR /go/src/github.com/cerc-io/tx-spammer
-RUN GO111MODULE=on GCO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags '-extldflags "-static"' -o tx-spammer .
+
+ENV GO111MODULE=on
+COPY go.mod go.sum ./
+RUN go mod download
+COPY . .
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags '-extldflags "-static"' -o tx-spammer .
 
 # app container
 FROM alpine

cmd/root.go

@@ -45,7 +45,7 @@ func Execute() {
 }
 
 func initFuncs(cmd *cobra.Command, args []string) {
-	logfile := viper.GetString("logfile")
+	logfile := viper.GetString("log.file")
 	if logfile != "" {
 		file, err := os.OpenFile(logfile,
 			os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
@@ -65,7 +65,7 @@ func initFuncs(cmd *cobra.Command, args []string) {
 }
 
 func logLevel() error {
-	viper.BindEnv("log.level", "LOGRUS_LEVEL")
+	viper.BindEnv("log.level", "LOG_LEVEL")
 	lvl, err := log.ParseLevel(viper.GetString("log.level"))
 	if err != nil {
 		return err