Merge pull request 'feat: 透過 trap 在收到訊號時立即退出' (#15) from develop into master

Reviewed-on: #15

action.yaml

@@ -8,6 +8,9 @@ inputs:
   HEALTH_CODE:
     description: '健康碼'
     default: '200'
+outputs:
+  status_code:
+    description: '服務的狀態碼'
 runs:
   using: 'docker'
   image: 'Dockerfile'

entrypoint.sh

@@ -1,5 +1,14 @@
 #!/bin/bash
 
+# 當 GitHub Actions 手動取消 workflow 時，Runner 會對容器送出終止訊號。
+# 透過 trap 可在收到訊號時立即退出，避免無限迴圈持續重試。
+on_terminate() {
+	echo "[$(date -u +"%Y-%m-%dT%H:%M:%SZ")] 收到取消訊號，停止健康檢查。"
+	exit 130
+}
+
+trap on_terminate TERM INT
+
 echo "=================================================="
 
 echo "參數檢查"
@@ -31,10 +40,10 @@ while true; do
 	sleep 60
 done
 
+echo "=================================================="
+
 # 將狀態碼輸出到環境變數
 echo "status_code=$STATUS_CODE" >> "$GITHUB_OUTPUT"
 
 # 檢查狀態碼是否正確
-[ "$STATUS_CODE" = "$HEALTH_CODE" ] && exit 0 || exit 1
-
-echo "=================================================="
+[ "$STATUS_CODE" = "$HEALTH_CODE" ] && exit 0 || exit 1