Update release

Author: reteps

.github/workflows/release.yaml

@@ -17,7 +17,7 @@ jobs:
         with:
           go-version: '1.24.x'
       - uses: ko-build/[email protected]
-      - run: ko build
+      - run: ko build --bare
   releases-matrix:
     name: Release Go Binary
     runs-on: ubuntu-latest

README.md

@@ -14,6 +14,12 @@ Binaries are available from the [releases](https://github.com/reteps/dockerfmt/r
 go install github.com/reteps/dockerfmt@latest
 ```
 
+### docker
+
+```bash
+docker run --rm -v $(pwd):/pwd ghcr.io/reteps/dockerfmt:latest /pwd/tests/in/run2.dockerfile
+```
+
 ## Usage
 
 ```output

cmd/root.go

@@ -46,6 +46,11 @@ func Run(cmd *cobra.Command, args []string) {
 			log.Fatalf("Failed to read from stdin: %v", err)
 		}
 
+		if len(inputBytes) <= 1 {
+			cmd.Help()
+			os.Exit(0)
+		}
+
 		if !processInput("stdin", inputBytes, config) {
 			allFormatted = false // Mark as not formatted if check fails
 		}

cmd/version.go

@@ -14,6 +14,6 @@ var versionCmd = &cobra.Command{
 	Use:   "version",
 	Short: "Print the version number of dockerfmt",
 	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println("dockerfmt 0.3.6")
+		fmt.Println("dockerfmt 0.3.7")
 	},
 }