Fixed catastrophic bug caused by rows not being closed on db ver check

db/connection.go

@@ -41,6 +41,7 @@ func checkDBVersion(db *sql.DB, expectVer int) error {
 	if err != nil {
 		return errors.Wrap(err, "checkDBVersion")
 	}
+	defer rows.Close()
 	if rows.Next() {
 		var version int
 		err = rows.Scan(&version)

migrate/migrations/00001_init.sql

@@ -12,7 +12,7 @@ CREATE TABLE IF NOT EXISTS "users" (
     created_at INTEGER DEFAULT (unixepoch()),
     bio TEXT DEFAULT ""
 ) STRICT;
-CREATE TRIGGER cleanup_expired_tokens
+CREATE TRIGGER IF NOT EXISTS cleanup_expired_tokens
 AFTER INSERT ON jwtblacklist
 BEGIN
 DELETE FROM jwtblacklist WHERE exp < strftime('%s', 'now');