docs: DATABASE_URL is required

Author: domenkozar

docs/src/content/docs/index.mdx

@@ -146,9 +146,8 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     let secretspec = SecretSpec::load(Some(Provider::Keyring), Some(Profile::Production))?;
 
     // Field names are lowercased versions of secret names
-    if let Some(database_url) = &secretspec.secrets.database_url {
-        println!("Database: {}", database_url);  // DATABASE_URL -> database_url
-    }
+    // Required secrets are String (not Option<String>)
+    println!("Database: {}", &secretspec.secrets.database_url);  // DATABASE_URL -> database_url
 
     // Optional secrets are Option<String>
     if let Some(redis_url) = &secretspec.secrets.redis_url {