feat(s3): implement non-ephemeral storage through S3/DO Spaces

server/src/config/storage.config.ts

@@ -0,0 +1,10 @@
+import { registerAs } from '@nestjs/config';
+
+export default registerAs('storage', () => ({
+  bucket: process.env.STORAGE_BUCKET,
+  region: process.env.STORAGE_REGION,
+  endpoint: process.env.STORAGE_ENDPOINT,
+  urlPrefix: process.env.STORAGE_URL_PREFIX,
+  accessKey: process.env.STORAGE_ACCESS_KEY,
+  secretKey: process.env.STORAGE_SECRET_KEY,
+}));