Create app.py

app.py

@@ -0,0 +1,26 @@
+# bucket_test.py
+import os
+
+TEST_PATH = "/data/test_raw.dat"
+CONTENT = b"\x00\x01\x02\x03\xff\xfe\xfd\xfc hello bucket"
+
+# Write
+with open(TEST_PATH, "wb") as f:
+    f.write(CONTENT)
+print(f"Written {len(CONTENT)} bytes to {TEST_PATH}")
+
+# Read back
+with open(TEST_PATH, "rb") as f:
+    result = f.read()
+
+if result == CONTENT:
+    print("PASS — bytes match exactly")
+else:
+    print("FAIL — bytes differ")
+    print(f"Expected: {CONTENT}")
+    print(f"Got:      {result}")
+
+# List /data
+print("\n/data contents:")
+for f in os.listdir("/data"):
+    print(f" - {f}")