fix(docker): manage local postgres in default compose

server/tests/test_env_file_precedence.py

@@ -1,8 +1,8 @@
 from __future__ import annotations
 
-from pathlib import Path
 import os
 import subprocess
+from pathlib import Path
 
 
 def _run_script_prefix(
@@ -81,6 +81,46 @@ def test_root_start_can_prefer_env_file_over_inherited_onlyoffice_values(tmp_pat
     assert "ONLYOFFICE_PUBLIC_URL=http://10.10.10.122:8082" in result.stdout
 
 
+def test_root_start_preserves_inherited_database_runtime_values(tmp_path: Path) -> None:
+    result = _run_script_prefix(
+        tmp_path,
+        "start.sh",
+        env_file_content=(
+            "POSTGRES_HOST=external-db\n"
+            "POSTGRES_PORT=6432\n"
+            "POSTGRES_DB=external_financial\n"
+            "POSTGRES_USER=external_user\n"
+            "POSTGRES_PASSWORD=external_password\n"
+            "DATABASE_URL=postgresql://external_user:external_password@external-db:6432/external_financial\n"
+        ),
+        env={
+            "POSTGRES_HOST": "postgres",
+            "POSTGRES_PORT": "5432",
+            "POSTGRES_DB": "x_financial",
+            "POSTGRES_USER": "x_financial",
+            "POSTGRES_PASSWORD": "x_financial",
+            "DATABASE_URL": "postgresql://x_financial:x_financial@postgres:5432/x_financial",
+        },
+        output_vars=[
+            "POSTGRES_HOST",
+            "POSTGRES_PORT",
+            "POSTGRES_DB",
+            "POSTGRES_USER",
+            "POSTGRES_PASSWORD",
+            "DATABASE_URL",
+        ],
+    )
+
+    assert result.returncode == 0, result.stderr
+    assert "POSTGRES_HOST=postgres" in result.stdout
+    assert "POSTGRES_PORT=5432" in result.stdout
+    assert "POSTGRES_DB=x_financial" in result.stdout
+    assert "POSTGRES_USER=x_financial" in result.stdout
+    assert "POSTGRES_PASSWORD=x_financial" in result.stdout
+    expected_database_url = "postgresql://x_financial:x_financial@postgres:5432/x_financial"
+    assert f"DATABASE_URL={expected_database_url}" in result.stdout
+
+
 def test_web_start_preserves_inherited_runtime_ports(tmp_path: Path) -> None:
     result = _run_script_prefix(
         tmp_path,
@@ -139,3 +179,59 @@ def test_server_start_preserves_inherited_runtime_guards(tmp_path: Path) -> None
     assert "SERVER_PORT=8000" in result.stdout
     assert "STARTUP_BOOTSTRAP_ENABLED=false" in result.stdout
     assert "BACKGROUND_SCHEDULERS_ENABLED=false" in result.stdout
+
+
+def test_server_start_preserves_inherited_database_runtime_values(tmp_path: Path) -> None:
+    result = _run_script_prefix(
+        tmp_path,
+        "server/server_start.sh",
+        env_file_content=(
+            "POSTGRES_HOST=external-db\n"
+            "POSTGRES_PORT=6432\n"
+            "POSTGRES_DB=external_financial\n"
+            "POSTGRES_USER=external_user\n"
+            "POSTGRES_PASSWORD=external_password\n"
+            "DATABASE_URL=postgresql://external_user:external_password@external-db:6432/external_financial\n"
+        ),
+        env={
+            "POSTGRES_HOST": "postgres",
+            "POSTGRES_PORT": "5432",
+            "POSTGRES_DB": "x_financial",
+            "POSTGRES_USER": "x_financial",
+            "POSTGRES_PASSWORD": "x_financial",
+            "DATABASE_URL": "postgresql://x_financial:x_financial@postgres:5432/x_financial",
+        },
+        output_vars=[
+            "POSTGRES_HOST",
+            "POSTGRES_PORT",
+            "POSTGRES_DB",
+            "POSTGRES_USER",
+            "POSTGRES_PASSWORD",
+            "DATABASE_URL",
+        ],
+    )
+
+    assert result.returncode == 0, result.stderr
+    assert "POSTGRES_HOST=postgres" in result.stdout
+    assert "POSTGRES_PORT=5432" in result.stdout
+    assert "POSTGRES_DB=x_financial" in result.stdout
+    assert "POSTGRES_USER=x_financial" in result.stdout
+    assert "POSTGRES_PASSWORD=x_financial" in result.stdout
+    expected_database_url = "postgresql://x_financial:x_financial@postgres:5432/x_financial"
+    assert f"DATABASE_URL={expected_database_url}" in result.stdout
+
+
+def test_default_compose_isolates_local_postgres_from_external_env_values() -> None:
+    compose = (Path(__file__).resolve().parents[2] / "docker-compose.yml").read_text(
+        encoding="utf-8"
+    )
+
+    assert "condition: service_healthy" in compose
+    assert "container_name: x-financial-local-postgres" in compose
+    assert "${LOCAL_POSTGRES_DB:-x_financial}" in compose
+    assert "${LOCAL_POSTGRES_USER:-x_financial}" in compose
+    assert "${LOCAL_POSTGRES_PASSWORD:-x_financial}" in compose
+    assert "${LOCAL_POSTGRES_HOST_PORT:-55432}" in compose
+    assert "${POSTGRES_DB:-x_financial}" not in compose
+    assert "${POSTGRES_USER:-x_financial}" not in compose
+    assert "${POSTGRES_PASSWORD:-x_financial}" not in compose