Add new seafile 12.0 configuration

'seafile' now comprises two containers: seafile-mysql and seafile-server.

docker-compose.seafile.yml

@@ -1,14 +1,47 @@
 services:
-  seafile:
-    container_name: seafile
-    environment:
-    - MODE=autorun
-    image: gronis/seafile:10.0.1
+  seafile-mysql:
+    image: mariadb:10.11
+    container_name: seafile-mysql
     ports:
-    - 8100:8000
-    - 8180:8080
-    - 8182:8082
-    restart: unless-stopped
+      - "13306:3306"
+    environment:
+      - MYSQL_ROOT_PASSWORD=ROOT_PASSWORD
+      - MYSQL_LOG_CONSOLE=true
+      - MARIADB_AUTO_UPGRADE=1
     volumes:
-    - /opt/seafile:/seafile:rw
-    - /media/seafile:/seafile/seafile-data:rw
+      - /opt/seafile/database:/var/lib/mysql
+    healthcheck:
+      test:
+        [
+          "CMD",
+          "/usr/local/bin/healthcheck.sh",
+          "--connect",
+          "--mariadbupgrade",
+          "--innodb_initialized",
+        ]
+      interval: 20s
+      start_period: 30s
+      timeout: 5s
+      retries: 10
+
+  seafile-server:
+    image: seafileltd/seafile-mc:12.0-latest
+    container_name: seafile-server
+    ports:
+      - "8082:80"
+    volumes:
+      - /opt/seafile/server:/shared
+      - /media/seafile:/shared/seafile/seafile-data
+    environment:
+      - DB_HOST=seafile-mysql
+      - DB_PORT=3306
+      - DB_ROOT_PASSWD=ROOT_PASSWORD
+      - DB_PASSWORD=PASSWORD
+      - TIME_ZONE=Europe/Amsterdam
+      - INIT_SEAFILE_ADMIN_EMAIL=admin@veenboer.xyz
+      - INIT_SEAFILE_ADMIN_PASSWORD=asecret
+      - SEAFILE_SERVER_HOSTNAME=seafile.bram.veenboer.xyz
+      - SEAFILE_SERVER_PROTOCOL=http
+      - JWT_PRIVATE_KEY=8LzWzeuQ41z1i8fc1cr1L7Kw80VpTgmT
+    depends_on:
+      - seafile-mysql