large refactor of code to use venv (in .python) for DEV, to use consistent python versions with PROD, sepcifically flask 2.2.2 to address the deprecation of FLASK_ENV -> replaced with ENV. Fixed up git and dockerignores to be more stringent

.gitignore

@@ -3,8 +3,8 @@ photos/
 storage/
 images_to_process/
 DB_BACKUP/
-new_img_dir/
-static/
-internal/upstream
 internal/git-log.txt
-.pa_metadata
+internal/upstream
+static/
+.pa_metadata/
+.python/