refactor(core): Make new configs consistent (no-changelog) (#10393)

packages/@n8n/config/src/configs/external-storage.config.ts

@@ -0,0 +1,42 @@
+import { Config, Env, Nested } from '../decorators';
+
+@Config
+class S3BucketConfig {
+	/** Name of the n8n bucket in S3-compatible external storage */
+	@Env('N8N_EXTERNAL_STORAGE_S3_BUCKET_NAME')
+	name = '';
+
+	/** Region of the n8n bucket in S3-compatible external storage @example "us-east-1" */
+	@Env('N8N_EXTERNAL_STORAGE_S3_BUCKET_REGION')
+	region = '';
+}
+
+@Config
+class S3CredentialsConfig {
+	/** Access key in S3-compatible external storage */
+	@Env('N8N_EXTERNAL_STORAGE_S3_ACCESS_KEY')
+	accessKey = '';
+
+	/** Access secret in S3-compatible external storage */
+	@Env('N8N_EXTERNAL_STORAGE_S3_ACCESS_SECRET')
+	accessSecret = '';
+}
+
+@Config
+class S3Config {
+	/** Host of the n8n bucket in S3-compatible external storage @example "s3.us-east-1.amazonaws.com" */
+	@Env('N8N_EXTERNAL_STORAGE_S3_HOST')
+	host = '';
+
+	@Nested
+	bucket: S3BucketConfig;
+
+	@Nested
+	credentials: S3CredentialsConfig;
+}
+
+@Config
+export class ExternalStorageConfig {
+	@Nested
+	s3: S3Config;
+}