Fixex the deployment issues, read more

The deployment issues were caused by sequelize running out-of-order.
I fixed this by placing sequelize.sync() in correct locations.

I've also updated news-server with these changes.

I've also removed mariadb stuff from the game server's Dockerfile.

Resolved #1

server/server.js

@@ -15,8 +15,8 @@ const SequelizeStore = require("connect-session-sequelize")(session.Store);
 
 //database connection
 const database = require('./database');
-const models = require('./database/models'); //invoke all models
 
+//setup the app middleware
 app.use(formidable());
 app.use(cookieParser());
 app.use(session({
@@ -28,6 +28,9 @@ app.use(session({
 	})
 }));
 
+//invoke all models
+const models = require('./database/models');
+
 //account management
 app.use('/api/accounts', require('./accounts'));
 
@@ -47,6 +50,7 @@ app.get('*', (req, res) => {
 });
 
 //startup
-server.listen(process.env.WEB_PORT || 3000, (err) => {
+server.listen(process.env.WEB_PORT || 3000, async (err) => {
+	await database.sync();
 	console.log(`listening to localhost:${process.env.WEB_PORT || 3000}`);
 });