diff --git a/app/config.py b/app/config.py
index b58c6c3..b4ecedc 100644
--- a/app/config.py
+++ b/app/config.py
@@ -7,14 +7,12 @@
 import yaml
 from pydantic import BaseSettings, root_validator, validator
 
-
 class ExecutionMode(enum.Enum):
     DEV = "dev"
     REGISTRY = "registry"
     CLIENT = "client"
     EXPLORER = "explorer"
 
-
 class ServerPort(enum.Enum):
     DEV = 31999
     CLIMATE_WAREHOUSE = 31310
@@ -51,20 +49,31 @@ class Settings(BaseSettings):
     CHIA_HOSTNAME: str = "localhost"
     CHIA_FULL_NODE_RPC_PORT: int = 8555
     CHIA_WALLET_RPC_PORT: int = 9256
+    CLIMATE_EXPLORER_PORT: Optional[int] = None
+    CLIMATE_TOKEN_CLIENT_PORT: Optional[int] = None
+    CLIMATE_TOKEN_REGISTRY_PORT: Optional[int] = None
+    DEV_PORT: Optional[int] = None
+
+    @classmethod
+    def get_instance(cls):
+        if cls._instance is None:
+            cls._instance = get_settings()
+        return cls._instance
 
     @root_validator
     def configure_port(cls, values):
         if values["MODE"] == ExecutionMode.REGISTRY:
-            values["SERVER_PORT"] = ServerPort.CLIMATE_TOKEN_REGISTRY.value
+            values["SERVER_PORT"] = values.get('CLIMATE_TOKEN_REGISTRY_PORT', ServerPort.CLIMATE_TOKEN_REGISTRY.value)
         elif values["MODE"] == ExecutionMode.CLIENT:
-            values["SERVER_PORT"] = ServerPort.CLIMATE_TOKEN_CLIENT.value
+            values["SERVER_PORT"] = values.get('CLIMATE_TOKEN_CLIENT_PORT', ServerPort.CLIMATE_TOKEN_CLIENT.value)
         elif values["MODE"] == ExecutionMode.EXPLORER:
-            values["SERVER_PORT"] = ServerPort.CLIMATE_EXPLORER.value
+            values["SERVER_PORT"] = values.get('CLIMATE_EXPLORER_PORT', ServerPort.CLIMATE_EXPLORER.value)
         elif values["MODE"] == ExecutionMode.DEV:
-            values["SERVER_PORT"] = ServerPort.DEV.value
+            values["SERVER_PORT"] = values.get('DEV_PORT', ServerPort.DEV.value)
         else:
             raise ValueError(f"Invalid mode {values['MODE']}!")
-
+        
+        print(f"Set SERVER_PORT to {values['SERVER_PORT']}")
         return values
 
     @validator("CHIA_ROOT", pre=True)
@@ -105,8 +114,9 @@ def get_settings() -> Settings:
 
     settings_dict = default_settings.dict() | (settings_dict or {})
     settings = Settings(**settings_dict)
+    Settings._instance = Settings(**settings_dict)
 
-    return settings
+    return Settings._instance
 
 
 settings = get_settings()
diff --git a/config.yaml b/config.yaml
index a01c79b..6e77c57 100644
--- a/config.yaml
+++ b/config.yaml
@@ -10,3 +10,7 @@ CHIA_HOSTNAME: localhost
 CHIA_FULL_NODE_RPC_PORT: 8555
 CHIA_WALLET_RPC_PORT: 9256
 DEFAULT_FEE: 1000000000  # mojos
+CLIMATE_TOKEN_REGISTRY_PORT: 31312
+CLIMATE_EXPLORER_PORT: 31313
+CLIMATE_TOKEN_CLIENT_PORT: 31314
+DEV_PORT: 31999
diff --git a/pyproject.toml b/pyproject.toml
index ade567a..4d96ce7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "Chia Climate Token Driver"
-version = "1.0.23"
+version = "1.0.24"
 description = "https://github.com/Chia-Network/climate-token-driver"
 authors = ["Harry Hsu <stmharry@hashgreen.net>",
            "Chia Network Inc <hello@chia.net>"]