fix: update MongoDB version to 8.0 in documentation and migration scripts

CLAUDE.md

@@ -63,15 +63,15 @@ GROWI is a team collaboration software using markdown - a wiki platform with hie
 - **Authentication**: Passport.js with multiple strategies (local, LDAP, OAuth, SAML)
 - **Real-time Features**: Socket.io for collaborative editing and notifications
 - **Editor**: Custom markdown editor with collaborative editing using Yjs
-- **Database**: MongoDB 6.0+ with migration system using migrate-mongo
+- **Database**: MongoDB 8.0+ with migration system using migrate-mongo
 - **Package Manager**: pnpm with workspace support
 - **Build System**: Turborepo for monorepo orchestration
 
 ### Development Dependencies
 - Node.js v20.x or v22.x
 - pnpm 10.x  
-- MongoDB 6.0+
-- Optional: Redis 3.x, Elasticsearch 7.x/8.x (for full-text search)
+- MongoDB 8.0+
+- Optional: Redis 3.x, Elasticsearch 7.x/8.x/9.x (for full-text search)
 
 ## File Organization Patterns
 

README.md

@@ -85,7 +85,7 @@ See [GROWI Docs: Environment Variables](https://docs.growi.org/en/admin-guide/ad
 - npm 10.x
 - pnpm 10.x
 - [Turborepo](https://turbo.build/repo)
-- MongoDB 6.0 or above
+- MongoDB 8.0 or above
 
 ### Optional Dependencies
 

README_JP.md

@@ -85,7 +85,7 @@ Crowi からの移行は **[こちら](https://docs.growi.org/en/admin-guide/mig
 - npm 10.x
 - pnpm 10.x
 - [Turborepo](https://turbo.build/repo)
-- MongoDB 6.0 以上
+- MongoDB 8.0 以上
 
 ### オプションの依存関係
 

bin/data-migrations/README.md

@@ -16,7 +16,7 @@ docker run --rm \
   -v "$(pwd)"/src:/opt \
   -w /opt \
   -e MIGRATION_MODULE=v60x \
-  mongo:6.0 \
+  mongo:8.0 \
   /bin/mongosh $MONGO_URI index.js
 ```
 
@@ -87,6 +87,6 @@ docker run --rm \
   -v "$(pwd)"/src:/opt \
   -w /opt \
   -e MIGRATION_MODULE=custom \
-  mongo:6.0 \
+  mongo:8.0 \
   /bin/mongosh $MONGO_URI index.js
 ```