diff --git a/src/main/python/ddadevops/release_mixin/release_mixin.py b/src/main/python/ddadevops/release_mixin/release_mixin.py
index fe89e70..e9348aa 100644
--- a/src/main/python/ddadevops/release_mixin/release_mixin.py
+++ b/src/main/python/ddadevops/release_mixin/release_mixin.py
@@ -1,9 +1,12 @@
+# TODO: jem, zam - 2023_04_14: mv file one dir up
+
 from ..devops_build import DevopsBuild
 from .infrastructure import ReleaseRepository, ReleaseTypeRepository, VersionRepository
 from .infrastructure_api import GitApi, EnvironmentApi
 from .services import PrepareReleaseService, TagAndPushReleaseService
 from .domain import EnvironmentKeys
 
+# TODO: jem, zam - 2023_04_14: use of config fkts is deprecated - use domain object instead (see: devops_image_build.py)
 def create_release_mixin_config(config_file, main_branch) -> dict:
     config = {}
     config.update(
@@ -12,6 +15,7 @@ def create_release_mixin_config(config_file, main_branch) -> dict:
              'config_file': config_file}})
     return config
 
+# TODO: jem, zam - 2023_04_14: use of config fkts is deprecated - use domain object instead (see: devops_image_build.py)
 def add_versions(config, release_version, bump_version) -> dict:
     config['ReleaseMixin'].update(
         {'release_version': release_version,
@@ -19,7 +23,7 @@ def add_versions(config, release_version, bump_version) -> dict:
     return config
 
 class ReleaseMixin(DevopsBuild):
-
+    # TODO: jem, zam - 2023_04_14: handover config as domain object
     def __init__(self, project, config): # todo: create services in init, dont expose repos etc in api
         super().__init__(project, config)
         release_mixin_config = config['ReleaseMixin']                
@@ -37,11 +41,13 @@ class ReleaseMixin(DevopsBuild):
         self.release_repo = ReleaseRepository(self.version_repo, self.release_type_repo, self.main_branch)
 
     def prepare_release(self):
+        # TODO: jem, zam - 2023_04_14: instantiate service on object creation?
         prepare_release_service = PrepareReleaseService(self.release_repo)
         prepare_release_service.write_and_commit_release()
         prepare_release_service.write_and_commit_bump()
 
     def tag_and_push_release(self):
+        # TODO: jem, zam - 2023_04_14: instantiate service on object creation?
         tag_and_push_release_service = TagAndPushReleaseService(self.git_api)
         tag_and_push_release_service.tag_release(self.release_repo.get_release())
         # tag_and_push_release_service.push_release()