Add admin passwd env

src/main.go

@@ -105,9 +105,16 @@ func ensureAdmin() {
 	var count int64
 	db.Model(&User{}).Where("username = ?", "admin").Count(&count)
 
+	password := os.Getenv("ADMIN_PASSWORD")
+	if password == "" {
+		log.Println("WARNING: ADMIN_PASSWORD not set, using default password")
+		log.Println("MAKING NO ADMIN ACCOUNT")
+		return
+	}
+
 	if count == 0 {
 		hash, _ := bcrypt.GenerateFromPassword(
-			[]byte("change_this_password"),
+			[]byte(password),
 			bcrypt.DefaultCost,
 		)