From b23d45ddfb3ca62ba187abcf3bf49650b817091b Mon Sep 17 00:00:00 2001
From: Parham Alvani <parham.alvani@gmail.com>
Date: Sat, 9 Mar 2024 03:56:39 +0000
Subject: [PATCH] chore: handle environment variables for configuration

---
 app/config.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/app/config.py b/app/config.py
index a6deb67..ed88847 100644
--- a/app/config.py
+++ b/app/config.py
@@ -17,11 +17,17 @@ class HTTP(pydantic.BaseModel):
 
 class Settings(pydantic_settings.BaseSettings):
     """
-    Configuration holder
+    Configuration holder which reads configuration from config.toml
+    and environment variables.
     """
 
     http: HTTP = HTTP(debug=True)
-    model_config = pydantic_settings.SettingsConfigDict(toml_file="config.toml")
+    model_config = pydantic_settings.SettingsConfigDict(
+        toml_file="config.toml",
+        env_prefix="fastapi101_",
+        case_sensitive=False,
+        env_nested_delimiter="__",
+    )
 
     @classmethod
     def settings_customise_sources(