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docker/routlin-dash/app/main.py

@@ -174,5 +174,20 @@ def _seed_initial_account():
 
 _seed_initial_account()
 
+
+def _write_credentials_key():
+    key = settings.get_credentials_key()
+    if not key:
+        return
+    path = f'{config_utils.CONFIGS_DIR}/.credentials-key'
+    try:
+        fd = os.open(path, os.O_WRONLY | os.O_CREAT | os.O_TRUNC, 0o600)
+        os.write(fd, key + b'\n')
+        os.close(fd)
+    except OSError as exc:
+        print(f'[main] WARNING: Could not write .credentials-key: {exc}', file=sys.stderr)
+
+_write_credentials_key()
+
 if __name__ == "__main__":
     app.run(host="0.0.0.0", port=25327)