fixed docker folder permission issue (#79)

Author: richardhboyd

python/rpdk/python/codegen.py

@@ -1,4 +1,5 @@
 import logging
+import os
 import shutil
 import zipfile
 from pathlib import PurePosixPath
@@ -251,6 +252,7 @@ def _docker_build(cls, external_path):
                 auto_remove=True,
                 volumes=volumes,
                 stream=True,
+                user=f"{os.geteuid()}:{os.getgid()}",
             )
         except RequestsConnectionError as e:
             # it seems quite hard to reliably extract the cause from

tests/plugin/codegen_test.py

@@ -244,6 +244,7 @@ def test__docker_build_good_path(plugin, tmp_path):
         auto_remove=True,
         volumes={str(tmp_path): {"bind": "/project", "mode": "rw"}},
         stream=True,
+        user=ANY,
     )
 
 
@@ -277,4 +278,5 @@ def test__docker_build_bad_path(plugin, tmp_path, exception):
         auto_remove=True,
         volumes={str(tmp_path): {"bind": "/project", "mode": "rw"}},
         stream=True,
+        user=ANY,
     )