feat: 创建Halo，支持让用户自定义 “外部访问地址”

apps/halo/versions/2.2.0/config.json

@@ -49,6 +49,14 @@
       "default": "random",
       "envKey": "HALO_ADMIN_PASSWORD"
     },
+    {
+      "type": "text",
+      "labelZh": "外部访问地址",
+      "labelEn": "External URL",
+      "required": true,
+      "default": "localhost",
+      "envKey": "HALO_EXTERNAL_URL"
+    },
     {
       "type": "number",
       "labelZh": "端口",

apps/halo/versions/2.2.0/docker-compose.yml

@@ -15,7 +15,7 @@ services:
       - --spring.r2dbc.username=${PANEL_DB_USER}
       - --spring.r2dbc.password=${PANEL_DB_USER_PASSWORD}
       - --spring.sql.init.platform=mysql
-      - --halo.external-url=http://localhost:${PANEL_APP_PORT_HTTP}/
+      - --halo.external-url=http://${HALO_EXTERNAL_URL}:${PANEL_APP_PORT_HTTP}/
       - --halo.security.initializer.superadminusername=${HALO_ADMIN}
       - --halo.security.initializer.superadminpassword=${HALO_ADMIN_PASSWORD}
     labels: