feat: 更新环境变量配置，添加 S3 和 PGVector 相关设置，调整 docker-compose 文件端口映射

.env.example

@@ -2,6 +2,16 @@ CLIPROXY_API_KEY=replace-with-the-key-from-cliproxyapi-config
 GEMINI_API_KEY=replace-with-your-gemini-api-key
 JUPYTER_TOKEN=replace-with-a-strong-random-token
 OPEN_TERMINAL_API_KEY=replace-with-a-strong-random-key
+WEBUI_SECRET_KEY=replace-with-the-existing-open-webui-secret-key
+STORAGE_PROVIDER=s3
+S3_ACCESS_KEY_ID=replace-with-an-oss-ram-access-key-id
+S3_SECRET_ACCESS_KEY=replace-with-an-oss-ram-access-key-secret
+S3_ENDPOINT_URL=https://oss-ap-southeast-1.aliyuncs.com
+S3_REGION_NAME=ap-southeast-1
+S3_BUCKET_NAME=replace-with-your-oss-bucket-name
+S3_ADDRESSING_STYLE=virtual
+VECTOR_DB=pgvector
+PGVECTOR_DB_URL=postgresql://openwebui:replace-with-url-encoded-password@rds-host:5432/openwebui?sslmode=require
 
 WEBUI_AUTH=true
 ENABLE_LOGIN_FORM=true
@@ -13,4 +23,6 @@ GOOGLE_CLIENT_ID=replace-with-your-google-client-id
 GOOGLE_CLIENT_SECRET=replace-with-your-google-client-secret
 GOOGLE_REDIRECT_URI=http://localhost:3000/oauth/google/callback
 GOOGLE_OAUTH_SCOPE=openid email profile
-OAUTH_ALLOWED_DOMAINS=example.com
+OAUTH_ALLOWED_DOMAINS=example.com
+
+DATABASE_URL=postgresql://openwebui:已URL编码的密码@你的RDS地址:5432/openwebui?sslmode=require