009 add docker compose

tests/smoke/test_local_infra_stack.py

@@ -0,0 +1,50 @@
+from pathlib import Path
+
+import yaml
+
+
+PROJECT_ROOT = Path(__file__).resolve().parents[2]
+COMPOSE_FILE = PROJECT_ROOT / "docker-compose.yml"
+INFRA_README = PROJECT_ROOT / "infra" / "README.md"
+
+
+def _load_compose() -> dict:
+    content = yaml.safe_load(COMPOSE_FILE.read_text(encoding="utf-8"))
+    assert isinstance(content, dict)
+    return content
+
+
+def test_compose_defines_required_services() -> None:
+    compose = _load_compose()
+    services = compose.get("services")
+    assert isinstance(services, dict)
+    assert {"app", "redis", "signoz"}.issubset(services.keys())
+
+
+def test_app_service_contains_cache_and_observability_wiring() -> None:
+    compose = _load_compose()
+    app_service = compose["services"]["app"]
+
+    build_config = app_service.get("build")
+    assert isinstance(build_config, dict)
+    assert build_config["context"] == "."
+    assert build_config["dockerfile"] == "Dockerfile"
+
+    environment = app_service.get("environment")
+    assert isinstance(environment, dict)
+    assert environment["G2S_REPOSITORY__REDIS_DSN"] == "redis://redis:6379/0"
+    assert environment["G2S_OBSERVABILITY__OTLP_ENDPOINT"] == "http://signoz:4317"
+    assert environment["G2S_CONFIG_FILE"] == "/app/config.yaml"
+
+    depends_on = app_service.get("depends_on")
+    assert isinstance(depends_on, list)
+    assert "redis" in depends_on
+    assert "signoz" in depends_on
+
+
+def test_smoke_command_sequence_is_documented() -> None:
+    readme = INFRA_README.read_text(encoding="utf-8")
+
+    assert "docker compose config" in readme
+    assert "docker compose up -d redis signoz" in readme
+    assert "docker compose ps" in readme