Update example docker-compose file

.dockerignore

@@ -0,0 +1 @@
+data

.gitignore

@@ -0,0 +1 @@
+data

docker-compose.yml

@@ -1,7 +1,7 @@
 version: '3'
 services:
   flarum:
-    build: .
+    image: git.snyman.info/raoul/flarum:latest
     environment:
       MYSQL_DATABASE: flarum
       MYSQL_USER: flarum
@@ -21,10 +21,17 @@ services:
       - "8000:80"
     depends_on:
       - mysql
+    volumes:
+      - "./data/extensions:/flarum/app/extensions"
+      - "./data/assets:/flarum/app/public/assets"
+      - "./data/storage:/flarum/app/storage"
   mysql:
-    image: mysql
+    image: mariadb:11
     environment:
       MYSQL_ROOT_PASSWORD: password
       MYSQL_DATABASE: flarum
       MYSQL_USER: flarum
       MYSQL_PASSWORD: flarum
+    restart: unless-stopped
+    volumes:
+      - "./data/mysql:/var/lib/mysql"

docker/docker-entrypoint.sh

@@ -2,6 +2,7 @@
 set -e
 
 # Wait for MySQL/MariaDB
+echo "Waiting for MySQL/MariaDB..."
 MAX_RETRY=45
 RETRY=1
 while ! mysql --protocol TCP -h"$MYSQL_HOST" -u"$MYSQL_USER" -p"$MYSQL_PASSWORD" -e "show databases;" > /dev/null 2>&1; do