fix: environment variable loading

ldm/commands/_install.py

@@ -1,8 +1,7 @@
 import os
 from os import getcwd
-from os.path import join
+from os.path import join, exists
 from yaml_replace import YAMLTemplate
-from os.path import exists
 from ._command import Command
 from ..api.installer import Installer
 from ..api.config import CONFIG_FILE_NAME, DependencyConfig
@@ -17,9 +16,9 @@ def run(self, targets: list[str] | None = None):
             self.logger.error("No configuration file found")
             exit(1)
 
-        # Load environment variables
-        for env_file in config.config.environment.env_files:
-            load_dotenv(dotenv_path=join(getcwd(), env_file))
+        self.logger.debug("Read configuration file: ")
+        for line in config.model_dump_json(indent=2).split("\n"):
+            self.logger.debug(line)
 
         Installer(logger=self.logger).install(config, targets)
         exit(0)
@@ -28,6 +27,14 @@ def run(self, targets: list[str] | None = None):
 def read_config() -> DependencyConfig | None:
     if exists(CONFIG_FILE_NAME):
         with open(CONFIG_FILE_NAME, "r") as f:
-            config = YAMLTemplate(f.read()).render(dict(os.environ))
-            return DependencyConfig(**config)
+            # Read configuration file
+            template = YAMLTemplate(f.read())
+            config = DependencyConfig(**template.render({}))
+
+            # Load environment variables
+            for env_file in config.config.environment.env_files:
+                load_dotenv(dotenv_path=join(getcwd(), env_file))
+
+            # Rerender configuration file with environment variables
+            return DependencyConfig(**template.render(os.environ))
     return None