diff --git a/.env.example b/.env.example
index 4e19b39..0f04104 100644
--- a/.env.example
+++ b/.env.example
@@ -47,6 +47,14 @@ EMAIL_RECEIVER=receiver_email@gmail.com
 PUBLIC_URL=http://your_server_ip:port
 NGROK_AUTH_TOKEN=your_ngrok_auth_token
 
+# ==========================================
+# Image / Release Tag（docker-compose*.yml）
+# ==========================================
+MOMO_IMAGE=registry.wooo.work/wooo/momo-pro-system
+VERSION=stable
+FRONTEND_IMAGE=registry.wooo.work/wooo/momo-frontend
+FRONTEND_VERSION=stable
+
 # ==========================================
 # 市場情報模組設定（預設全部關閉）
 # ==========================================
@@ -344,6 +352,10 @@ MCP_POSTGRES_URL=http://127.0.0.1:3001
 MCP_FIRECRAWL_URL=http://127.0.0.1:3002
 MCP_OMNISEARCH_URL=http://127.0.0.1:3003
 MCP_FILESYSTEM_URL=http://127.0.0.1:3004
+MCP_POSTGRES_PASSWORD=your_mcp_readonly_password_here
+TAVILY_API_KEY=
+EXA_API_KEY=
+FIRECRAWL_AUTH_KEY=momo-internal-only
 MCP_TIMEOUT_SEC=30
 MCP_CACHE_TTL_SEC=3600
 MCP_MAX_RESULT_BYTES=65536
@@ -374,6 +386,11 @@ PG_SYNC_INTERVAL=300
 # [選填] 外部 BI 連結（模板全域變數）
 METABASE_URL=https://mo.wooo.work/metabase
 GRIST_URL=https://grist.wooo.work
+MB_SITE_URL=https://mo.wooo.work/metabase
+GRIST_ADMIN_EMAIL=admin@wooo.work
+GRAFANA_PASSWORD=change-me
+PGADMIN_EMAIL=admin@wooo.work
+PGADMIN_PASSWORD=change-me
 
 # ──────────────────────────────────────────────────────────────────────────
 # n8n Workflow Automation（monitoring profile）
diff --git a/tests/test_phase3f_cleanup_contracts.py b/tests/test_phase3f_cleanup_contracts.py
index 997b836..7fc1290 100644
--- a/tests/test_phase3f_cleanup_contracts.py
+++ b/tests/test_phase3f_cleanup_contracts.py
@@ -39,6 +39,14 @@ def _runtime_env_keys_from_code() -> set[str]:
     return keys
 
 
+def _compose_env_keys() -> set[str]:
+    pattern = re.compile(r"""\$\{([A-Z][A-Z0-9_]+)(?::-[^}]*)?\}""")
+    keys = set()
+    for path in ROOT.glob("docker-compose*.yml"):
+        keys.update(pattern.findall(path.read_text(encoding="utf-8", errors="ignore")))
+    return keys
+
+
 def test_phase3f_orphan_ai_services_stay_removed():
     orphan_services = [
         "services/elephant_alpha_decision_router.py",
@@ -151,6 +159,10 @@ def test_env_example_documents_runtime_os_env_keys():
     assert _runtime_env_keys_from_code() - internal_runtime_keys <= _env_example_keys()
 
 
+def test_env_example_documents_docker_compose_variables():
+    assert _compose_env_keys() <= _env_example_keys()
+
+
 def test_scheduler_does_not_silently_swallow_exceptions():
     scheduler_source = (ROOT / "scheduler.py").read_text(encoding="utf-8")