fix(s3): update public URL to include path query parameter

- Updated `getPublicUrl` to use `?path=<key>` format in public URLs.
- Adjusted corresponding test cases to reflect the new URL structure.

backend/src/s3/s3.service.spec.ts

@@ -192,7 +192,7 @@ describe("S3Service", () => {
 				return null;
 			});
 			const url = service.getPublicUrl("test.webp");
-			expect(url).toBe("https://api.test.com/media/test.webp");
+			expect(url).toBe("https://api.test.com/media?path=test.webp");
 		});
 
 		it("should use DOMAIN_NAME and PORT for localhost", () => {
@@ -205,7 +205,7 @@ describe("S3Service", () => {
 				},
 			);
 			const url = service.getPublicUrl("test.webp");
-			expect(url).toBe("http://localhost:3000/media/test.webp");
+			expect(url).toBe("http://localhost:3000/media?path=test.webp");
 		});
 
 		it("should use api.DOMAIN_NAME for production", () => {
@@ -217,7 +217,7 @@ describe("S3Service", () => {
 				},
 			);
 			const url = service.getPublicUrl("test.webp");
-			expect(url).toBe("https://api.memegoat.fr/media/test.webp");
+			expect(url).toBe("https://api.memegoat.fr/media?path=test.webp");
 		});
 	});
 });

backend/src/s3/s3.service.ts

@@ -173,6 +173,6 @@ export class S3Service implements OnModuleInit, IStorageService {
 			baseUrl = `https://api.${domain}`;
 		}
 
-		return `${baseUrl}/media/${storageKey}`;
+		return `${baseUrl}/media?path=${storageKey}`;
 	}
 }