fix: keep Hermes home aligned in runtime image (#6)

tests/test_runtime_env.py

@@ -0,0 +1,23 @@
+from __future__ import annotations
+
+from pathlib import Path
+import unittest
+
+
+REPO_ROOT = Path(__file__).resolve().parents[1]
+
+
+class RuntimeEnvTests(unittest.TestCase):
+    def test_image_sets_default_hermes_home(self) -> None:
+        dockerfile = (REPO_ROOT / "Dockerfile").read_text(encoding="utf-8")
+
+        self.assertIn("ENV HERMES_HOME=/opt/data/.hermes", dockerfile)
+
+    def test_entrypoint_exports_hermes_home_to_child_processes(self) -> None:
+        entrypoint = (REPO_ROOT / "entrypoint.sh").read_text(encoding="utf-8")
+
+        self.assertIn("export HERMES_HOME CONFIG_PATH SOUL_PATH", entrypoint)
+
+
+if __name__ == "__main__":
+    unittest.main()