Added MariaDB.

.gitignore

@@ -1,4 +1,5 @@
 postgres/data/
 mysql/data/
+mariadb/data/
 cockroachdb/data/
 clickhouse/data/

mariadb/docker-compose.yml

@@ -0,0 +1,13 @@
+version: '3'
+
+services:
+  mariadb:
+    image: mariadb:10.5
+    container_name: mariadb
+    restart: always
+    ports:
+      - 3307:3306
+    environment:
+      - MARIADB_ROOT_PASSWORD=root
+    volumes:
+      - /home/marvin/docker/mariadb/data:/var/lib/mysql