diff --git a/app/env_pro/core/config.py b/app/env_pro/core/config.py
new file mode 100644
index 0000000..5ca493f
--- /dev/null
+++ b/app/env_pro/core/config.py
@@ -0,0 +1,57 @@
+"""Configuration management for env-pro."""
+
+import os
+from pathlib import Path
+from typing import Optional
+import yaml
+
+
+class Config:
+    """Configuration management class."""
+
+    def __init__(self, config_home: Optional[Path] = None):
+        """Initialize configuration."""
+        if config_home is None:
+            config_home = Path(os.environ.get("ENV_PRO_HOME", "~/.config/env-pro"))
+        self.config_home = config_home.expanduser()
+        self.config_file = self.config_home / "config.yaml"
+
+    def get(self, key: str, default=None):
+        """Get a configuration value."""
+        config = self._load_config()
+        return config.get(key, default)
+
+    def set(self, key: str, value):
+        """Set a configuration value."""
+        config = self._load_config()
+        config[key] = value
+        self._save_config(config)
+
+    def _load_config(self) -> dict:
+        """Load configuration from file."""
+        if self.config_file.exists():
+            try:
+                with open(self.config_file, 'r') as f:
+                    return yaml.safe_load(f) or {}
+            except yaml.YAMLError:
+                return {}
+        return {}
+
+    def _save_config(self, config: dict):
+        """Save configuration to file."""
+        self.config_home.mkdir(parents=True, exist_ok=True)
+        with open(self.config_file, 'w') as f:
+            yaml.dump(config, f)
+
+    def get_keyring_path(self) -> str:
+        """Get the keyring service name for storing keys."""
+        return self.get("keyring_service", "env-pro")
+
+    def set_keyring_path(self, service: str):
+        """Set the keyring service name."""
+        self.set("keyring_service", service)
+
+
+def get_config(config_home: Optional[Path] = None) -> Config:
+    """Get the global configuration instance."""
+    return Config(config_home)