data.yaml

srv/main.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"net/http"
+	"os"
+
+	"gopkg.in/yaml.v3"
+)
+
+func main() {
+	if err := run(); err != nil {
+		panic(err)
+	}
+}
+
+func run() error {
+	f := os.Args[1]
+	b, err := os.ReadFile(f)
+	if err != nil {
+		return err
+	}
+
+	var data struct {
+		Routes map[string]string
+	}
+	if err := yaml.Unmarshal(b, &data); err != nil {
+		return err
+	}
+
+	return http.ListenAndServe(":3001", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		k := r.URL.Path
+
+		v, ok := data.Routes[k]
+		if !ok {
+			http.NotFound(w, r)
+			return
+		}
+
+		w.Header().Set("Content-Type", "text/html")
+		w.Write([]byte(v))
+	}))
+}