Add chown method to support docker

freqtrade/commands/build_config_commands.py

@@ -5,6 +5,7 @@ from typing import Any, Dict, List
 
 from questionary import Separator, prompt
 
+from freqtrade.configuration.directory_operations import chown_user_directory
 from freqtrade.constants import UNLIMITED_STAKE_AMOUNT
 from freqtrade.exceptions import OperationalException
 from freqtrade.exchange import MAP_EXCHANGE_CHILDCLASS, available_exchanges
@@ -216,6 +217,7 @@ def start_new_config(args: Dict[str, Any]) -> None:
     """
 
     config_path = Path(args['config'][0])
+    chown_user_directory(config_path.parent)
     if config_path.exists():
         overwrite = ask_user_overwrite(config_path)
         if overwrite:

freqtrade/configuration/directory_operations.py

@@ -24,6 +24,21 @@ def create_datadir(config: Dict[str, Any], datadir: Optional[str] = None) -> Pat
     return folder
 
 
+def chown_user_directory(directory: Path) -> None:
+    """
+    Use Sudo to change permissions of the home-directory if necessary
+    Only applies when running in docker!
+    """
+    import os
+    if os.environ.get('FT_APP_ENV') == 'docker':
+        try:
+            import subprocess
+            subprocess.check_output(
+                ['sudo', 'chown', '-R', 'ftuser:', str(directory.resolve())])
+        except Exception:
+            logger.warning(f"Could not chown {directory}")
+
+
 def create_userdata_dir(directory: str, create_dir: bool = False) -> Path:
     """
     Create userdata directory structure.
@@ -37,6 +52,7 @@ def create_userdata_dir(directory: str, create_dir: bool = False) -> Path:
     sub_dirs = ["backtest_results", "data", "hyperopts", "hyperopt_results", "logs",
                 "notebooks", "plot", "strategies", ]
     folder = Path(directory)
+    chown_user_directory(folder)
     if not folder.is_dir():
         if create_dir:
             folder.mkdir(parents=True)