fix XP cooldowns with MariaDB

README.md

@@ -1,4 +1,4 @@
 This branch uses Docker and MariaDB to run Racu. It has the exact same functionality within Discord.
 There is an ".env.template" file, please copy it to `.env` and fill out the details if you want to host Racu yourself.
 
-Beware that this branch is much more complicated than Racu when its ran locally with sqlite3, however it is more suitable if you plan to host Racu on a major scale with thousands or millions of Discord servers.
+Beware that this branch is much more complicated than the main branch with sqlite3 & PM2, however it is more suitable if you plan to host Racu on a major scale with thousands or millions of Discord servers.

db/init/1-tables.sql

@@ -4,7 +4,7 @@ CREATE TABLE xp (
     user_id BIGINT PRIMARY KEY NOT NULL,
     user_xp INT NOT NULL,
     user_level INT NOT NULL,
-    cooldown FLOAT
+    cooldown DECIMAL(15,2)
 );
 
 CREATE TABLE currency (

docker-compose.yml

@@ -1,4 +1,4 @@
-version: '3'
+version: '3.8'
 
 services:
     core:
@@ -18,7 +18,7 @@ services:
             MARIADB_DATABASE: racudb
         volumes:
             - ./db/init:/docker-entrypoint-initdb.d/
-            - ./db/data:/var/lib/mysql
+            - dbdata:/var/lib/mysql
         ports:
             - 3306:3306
         healthcheck:
@@ -32,3 +32,6 @@ services:
         restart: always
         ports:
             - 8080:8080
+
+volumes:
+    dbdata: