Use a volume for migrations

src/migrations/0001-add-appeals.sql

@@ -1,16 +0,0 @@
---------------------------------------------------------------------------------
--- Up
---------------------------------------------------------------------------------
-ALTER TABLE settings ADD appeals_channel_id TEXT;
-
-CREATE TABLE appeals (
-  id INTEGER PRIMARY KEY,
-  message_id TEXT NOT NULL
-);
-
---------------------------------------------------------------------------------
--- Down
---------------------------------------------------------------------------------
-ALTER TABLE settings DROP COLUMN appeals_channel_id;
-
-DROP TABLE appeals;

src/shared/Database.ts

@@ -142,7 +142,7 @@ export class Database {
     console.log('Starting database migrations');
 
     await Database.db.migrate({
-      migrationsPath: path.join(__dirname, '..', 'migrations')
+      migrationsPath: path.join(__dirname, '..', '..', 'migrations')
     });
 
     console.log('Database migrations ran');