refactoring

.gitignore

@@ -1 +1,2 @@
 .vscode
+.idea

Readme.md

@@ -1,5 +1,7 @@
 # Badger
 
+Create badge from your prometheus metrics
+
 ![Hello](http://localhost:8080/mel)
 
 ![Hello](http://localhost:8080/dockerhub)

main.go

@@ -24,6 +24,8 @@ const (
 	fontSize    = 12
 	textMarginX = 5.0
 	textMarginY = -2.0
+	badgeWidth  = 180
+	badgeHeight = 20
 )
 
 var (
@@ -73,7 +75,7 @@ func generateBadge(client api.Client, c *gin.Context) error {
 	}
 	metric := queryMetric(client, query)
 
-	dc := gg.NewContext(180, 22)
+	dc := gg.NewContext(badgeWidth, badgeHeight)
 	fontPath := filepath.Join("fonts", "SourceCodePro-Regular.ttf")
 	if err := dc.LoadFontFace(fontPath, fontSize); err != nil {
 		return fmt.Errorf("load font %w", err)
@@ -90,6 +92,9 @@ func generateBadge(client api.Client, c *gin.Context) error {
 	dc.SetColor(query.Color)
 
 	labelContainerWidth := labelWidth + textMarginX*2
+	if labelContainerWidth < badgeWidth*0.5 {
+		labelContainerWidth = badgeWidth * 0.5
+	}
 
 	dc.DrawRectangle(0, 0, labelContainerWidth, float64(dc.Height()))
 	dc.Fill()