Impl delete find filters for boltdb

config/config.go

@@ -6,6 +6,7 @@ type Config struct {
 	Port       int
 	DBURI      string
 	Database   string
+	DriverType string
 	FilePrefix string
 	FileRoot   string
 }
@@ -18,6 +19,7 @@ func New() Config {
 	as.Append(args.STRING, "fileprefix", "path prefix for file service", "/__files__")
 	as.Append(args.STRING, "fileroot", "path to file hosting root", "/tmp/")
 	as.Append(args.STRING, "database", "database name to use", "db")
+	as.Append(args.STRING, "drivertype", "database driver to use", "boltdb")
 
 	if err := as.Parse(); err != nil {
 		panic(err)
@@ -29,5 +31,6 @@ func New() Config {
 		FilePrefix: as.GetString("fileprefix"),
 		FileRoot:   as.GetString("fileroot"),
 		Database:   as.GetString("database"),
+		DriverType: as.GetString("drivertype"),
 	}
 }