cleaned up db resource leaks

api/src/routes/roles.ts

@@ -45,7 +45,7 @@ ur.delete('/', [requireMemberState(MemberState.Member), requireRole("17th Admini
 //get all roles
 r.get('/', [requireMemberState(MemberState.Member)], async (req, res) => {
     try {
-        const con = await pool.getConnection();
+        var con = await pool.getConnection();
 
         // Get all roles
         const roles = await con.query('SELECT * FROM roles;');
@@ -73,11 +73,12 @@ r.get('/', [requireMemberState(MemberState.Member)], async (req, res) => {
             members: roleIdToMembers[role.id] || []
         }));
 
-        con.release();
         res.json(result);
     } catch (err) {
         console.error(err);
         res.status(500).json({ error: 'Internal server error' });
+    } finally {
+        con.release();
     }
 });