Update mempool to app.yml v4

apps/mempool/app.yml

@@ -2,9 +2,10 @@
 #
 # SPDX-License-Identifier: AGPL-3.0-only
 
-# yaml-language-server: $schema=../../app-standard-v3.yml
+# yaml-language-server: $schema=../../app-standard-v4.yml
+
+citadel_version: 4
 
-version: 3
 metadata:
   category: Explorers
   name: Mempool
@@ -45,14 +46,16 @@ metadata:
   dependencies:
     - electrum
     - bitcoind
-  repo: https://github.com/mempool/mempool
+  repo:
+    Public: https://github.com/mempool/mempool
   support: https://t.me/mempoolspace
   gallery:
     - 1.jpg
     - 2.jpg
     - 3.jpg
-containers:
-  - name: main
+
+services:
+  main:
     image: mempool/frontend:v2.4.0@sha256:f71722f1e3abfb3d8a3df6f2a32e384d39434e311bb83d810629077b4fa6ffaf
     user: 1000:1000
     init: true
@@ -60,7 +63,7 @@ containers:
     environment:
       FRONTEND_HTTP_PORT: $APP_MEMPOOL_MAIN_PORT
       BACKEND_MAINNET_HTTP_HOST: $APP_MEMPOOL_API_IP
-  - name: api
+  api:
     image: mempool/backend:v2.4.0@sha256:6036cc6866b782efadc765e8189958940202b3fa1770eb35c35210c86efd2f47
     user: 1000:1000
     init: true
@@ -81,9 +84,10 @@ containers:
       MEMPOOL_HTTP_PORT: "8999"
       MEMPOOL_CACHE_DIR: /backend/cache
       MEMPOOL_CLEAR_PROTECTION_MINUTES: "20"
-    data:
-      - data:/backend/cache
-  - name: mariadb
+    mounts:
+      data:
+        data: /backend/cache
+  mariadb:
     image: mariadb:10.7.1@sha256:a469ba5edc9267eb3f32f5a6773376677274b09d36bbe742b448fc4c787e6b37
     user: 1000:1000
     environment:
@@ -91,6 +95,7 @@ containers:
       MYSQL_USER: mempool
       MYSQL_PASSWORD: mempool
       MYSQL_ROOT_PASSWORD: moneyprintergobrrr
-    data:
-      - mysql/db-scripts:/docker-entrypoint-initdb.d
-      - mysql/data:/var/lib/mysql
+    mounts:
+      data:
+          mysql/db-scripts: /docker-entrypoint-initdb.d
+          mysql/data: /var/lib/mysql