add docker

Dockerfile

@@ -1,5 +1,5 @@
 # Basis-Image
-FROM node:20-alpine
+FROM node:24-alpine
 
 # Arbeitsverzeichnis im Container
 WORKDIR /app

docker-compose.yml

@@ -7,5 +7,23 @@ services:
         ports:
             - '8000:8000'
         env_file:
-            - .env
+            - ${ENV_FILE:-.env}
         restart: unless-stopped
+        depends_on:
+            - db
+
+    db:
+        image: mariadb:11
+        container_name: kt-db
+        environment:
+            MARIADB_ROOT_PASSWORD: root
+            MARIADB_DATABASE: karateturniere
+            MARIADB_USER: admin
+            MARIADB_PASSWORD: mmario
+        ports:
+            - '3306:3306'
+        volumes:
+            - db_data:/var/lib/mysql
+
+volumes:
+    db_data: