close #186

Dockerfile

@@ -7,7 +7,8 @@ RUN apk add --no-cache git
 RUN go get ./...
 
 WORKDIR /go/src/github.com/hacdias/filemanager/cmd/filemanager
-RUN go install
+RUN go build -ldflags "-X main.version=$(git tag -l --points-at HEAD)"
+RUN mv filemanager /go/bin/filemanager
 
 FROM alpine:latest
 COPY --from=0 /go/bin/filemanager /usr/local/bin/filemanager

cmd/filemanager/main.go

@@ -87,10 +87,13 @@ func setupViper() {
 }
 
 func printVersion() {
+	version = strings.TrimSpace(version)
+
 	if version == "" {
 		fmt.Println("filemanager is at an untracked version")
 	} else {
-		fmt.Println("filemanager", version)
+		version = strings.TrimPrefix(version, "v")
+		fmt.Println("filemanager version", version)
 	}
 
 	os.Exit(0)