fix dockerfile generation bug (#277)

tools/goctl/docker/docker.go

@@ -16,9 +16,10 @@ import (
 )
 
 const (
-	etcDir    = "etc"
-	yamlEtx   = ".yaml"
-	cstOffset = 60 * 60 * 8 // 8 hours offset for Chinese Standard Time
+	dockerfileName = "Dockerfile"
+	etcDir         = "etc"
+	yamlEtx        = ".yaml"
+	cstOffset      = 60 * 60 * 8 // 8 hours offset for Chinese Standard Time
 )
 
 type Docker struct {
@@ -26,6 +27,7 @@ type Docker struct {
 	GoRelPath string
 	GoFile    string
 	ExeFile   string
+	HasArgs   bool
 	Argument  string
 }
 
@@ -96,12 +98,16 @@ func generateDockerfile(goFile string, args ...string) error {
 		return err
 	}
 
-	pos := strings.IndexByte(projPath, '/')
-	if pos >= 0 {
-		projPath = projPath[pos+1:]
+	if len(projPath) == 0 {
+		projPath = "."
+	} else {
+		pos := strings.IndexByte(projPath, os.PathSeparator)
+		if pos >= 0 {
+			projPath = projPath[pos+1:]
+		}
 	}
 
-	out, err := util.CreateIfNotExist("Dockerfile")
+	out, err := util.CreateIfNotExist(dockerfileName)
 	if err != nil {
 		return err
 	}
@@ -124,6 +130,7 @@ func generateDockerfile(goFile string, args ...string) error {
 		GoRelPath: projPath,
 		GoFile:    goFile,
 		ExeFile:   util.FileNameWithoutExt(filepath.Base(goFile)),
+		HasArgs:   builder.Len() > 0,
 		Argument:  builder.String(),
 	})
 }

tools/goctl/docker/template.go

@@ -22,8 +22,8 @@ ADD go.mod .
 ADD go.sum .
 RUN go mod download
 COPY . .
-COPY {{.GoRelPath}}/etc /app/etc
-RUN go build -ldflags="-s -w" -o /app/{{.ExeFile}} {{.GoRelPath}}/{{.GoFile}}
+{{if .HasArgs}}COPY {{.GoRelPath}}/etc /app/etc
+{{end}}RUN go build -ldflags="-s -w" -o /app/{{.ExeFile}} {{.GoRelPath}}/{{.GoFile}}
 
 
 FROM alpine
@@ -33,8 +33,8 @@ ENV TZ Asia/Shanghai
 
 WORKDIR /app
 COPY --from=builder /app/{{.ExeFile}} /app/{{.ExeFile}}
-COPY --from=builder /app/etc /app/etc
-
+{{if .HasArgs}}COPY --from=builder /app/etc /app/etc
+{{end}}
 CMD ["./{{.ExeFile}}"{{.Argument}}]
 `
 )

tools/goctl/goctl.go

@@ -27,7 +27,7 @@ import (
 )
 
 var (
-	BuildVersion = "20201125"
+	BuildVersion = "1.1.1"
 	commands     = []cli.Command{
 		{
 			Name:  "api",

tools/goctl/util/path.go

@@ -60,7 +60,6 @@ func FindGoModPath(dir string) (string, bool) {
 	var hasGoMod = false
 	for {
 		if FileExists(filepath.Join(tempPath, goModeIdentifier)) {
-			tempPath = filepath.Dir(tempPath)
 			rootPath = strings.TrimPrefix(absDir[len(tempPath):], "/")
 			hasGoMod = true
 			break