absolute paths are the way of the light

cmd/web/main.go

@@ -5,12 +5,12 @@ import (
 	"flag"
 	"fmt"
 	"io/fs"
+	"log"
+	"net/http"
 	"os"
 	"path/filepath"
-	"strings"
-	// "log"
-	"net/http"
 	"strconv"
+	"strings"
 
 	"code.ndumas.com/ndumas/badges"
 	"github.com/go-chi/chi/v5"
@@ -30,7 +30,8 @@ func NewBadgeRenderer(fontDir string) (*BadgeRenderer, error) {
 	root := os.DirFS(fontDir)
 	err := fs.WalkDir(root, ".", func(path string, d fs.DirEntry, err error) error {
 		if strings.HasSuffix(path, ".ttf") {
-			br.Fonts[filepath.Base(path)] = path
+			absFont := filepath.Join(fontDir, path)
+			br.Fonts[filepath.Base(path)] = absFont
 		}
 		return nil
 	})
@@ -133,18 +134,24 @@ func (br *BadgeRenderer) renderBadge(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-var (
-	port     int
-	fontsDir string
-)
-
 func main() {
+	var (
+		port     int
+		fontsDir string
+	)
+
 	flag.IntVar(&port, "port", 8484, "http listening port")
 	flag.StringVar(&fontsDir, "fonts", "fonts/", "directory containing ttf files")
 
 	flag.Parse()
 
-	br, err := NewBadgeRenderer(fontsDir)
+	absFontDir, err := filepath.Abs(fontsDir)
+	if err != nil {
+		log.Fatalf("error building absolute font dir path: %s\n", err)
+	}
+	log.Println("absFontDir:", absFontDir)
+	br, err := NewBadgeRenderer(absFontDir)
+
 	if err != nil {
 		fmt.Println("couldn't create renderer", err)
 		return