From a703315d000f91e774e74b474118102dcb839261 Mon Sep 17 00:00:00 2001
From: CN-JS-HuiBai <huyang@littlediary.cn>
Date: Fri, 17 Apr 2026 22:37:51 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E6=9E=84=E5=BB=BA=E8=84=9A?=
 =?UTF-8?q?=E6=9C=AC?=
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---
 scripts/build_install.sh | 67 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)

diff --git a/scripts/build_install.sh b/scripts/build_install.sh
index 3b9f55b..216203f 100644
--- a/scripts/build_install.sh
+++ b/scripts/build_install.sh
@@ -10,6 +10,9 @@ OUTPUT_PATH="${ROOT_DIR}/api"
 TOOLS_DIR="${ROOT_DIR}/.build-tools"
 CACHE_DIR="${ROOT_DIR}/.build-cache"
 CLEAN_GO="false"
+INSTALL_SERVICE="false"
+SERVICE_NAME="singbox-gopanel"
+RUN_USER="${SUDO_USER:-${USER:-root}}"
 
 usage() {
   cat <<EOF
@@ -21,11 +24,15 @@ Options:
   --tools-dir <dir>       Toolchain directory, default: ${TOOLS_DIR}
   --cache-dir <dir>       Go cache directory, default: ${CACHE_DIR}
   --clean-go              Re-download the Go toolchain even if it exists
+  --install-service       Install and start the systemd service
+  --service-name <name>  Systemd service name, default: ${SERVICE_NAME}
+  --run-user <user>      Runtime user, default: ${RUN_USER}
   -h, --help              Show this help
 
 Examples:
   bash scripts/build_install.sh
   bash scripts/build_install.sh --output ./package/api
+  sudo bash scripts/build_install.sh --install-service
 EOF
 }
 
@@ -52,6 +59,18 @@ parse_args() {
         CLEAN_GO="true"
         shift
         ;;
+      --install-service)
+        INSTALL_SERVICE="true"
+        shift
+        ;;
+      --service-name)
+        SERVICE_NAME="$2"
+        shift 2
+        ;;
+      --run-user)
+        RUN_USER="$2"
+        shift 2
+        ;;
       -h|--help)
         usage
         exit 0
@@ -154,6 +173,49 @@ build_binary() {
   chmod +x "${OUTPUT_PATH}" || true
 }
 
+install_systemd_service() {
+  if [[ "${INSTALL_SERVICE}" != "true" ]]; then
+    return
+  fi
+
+  if [[ "${EUID}" -ne 0 ]]; then
+    echo "error: systemd service installation requires root/sudo" >&2
+    exit 1
+  fi
+
+  if ! command -v systemctl >/dev/null 2>&1; then
+    echo "systemctl not found, skipping service installation"
+    return
+  fi
+
+  echo "installing systemd service: ${SERVICE_NAME}..."
+
+  cat >"/etc/systemd/system/${SERVICE_NAME}.service" <<EOF
+[Unit]
+Description=SingBox GoPanel API
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+User=${RUN_USER}
+WorkingDirectory=${ROOT_DIR}
+EnvironmentFile=-${ROOT_DIR}/.env
+ExecStart=${OUTPUT_PATH}
+Restart=always
+RestartSec=5
+LimitNOFILE=1048576
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+  systemctl daemon-reload
+  systemctl enable "${SERVICE_NAME}"
+  systemctl restart "${SERVICE_NAME}"
+  echo "service ${SERVICE_NAME} installed and started."
+}
+
 print_summary() {
   cat <<EOF
 
@@ -163,6 +225,10 @@ Go version:   ${GO_VERSION}
 Toolchain:    ${GO_ROOT}
 Output:       ${OUTPUT_PATH}
 Cache dir:    ${CACHE_DIR}
+
+To use this Go environment in your current shell:
+  export PATH="${GO_ROOT}/bin:\$PATH"
+  export GOROOT="${GO_ROOT}"
 EOF
 }
 
@@ -172,6 +238,7 @@ main() {
   detect_platform
   download_go
   build_binary
+  install_systemd_service
   print_summary
 }