#!/bin/bash
# label-backend 启动脚本
# - Docker 环境（检测 /.dockerenv）：exec 前台运行，保持容器进程存活
# - 裸机 / VM：nohup 后台运行，日志追加至 logs/startup.log

set -e

BASEDIR=$(cd "$(dirname "$0")/.." && pwd)
LIBDIR="$BASEDIR/libs"
CONFDIR="$BASEDIR/etc"
LOGDIR="$BASEDIR/logs"

mkdir -p "$LOGDIR"

JVM_OPTS="${JVM_OPTS:--Xms512m -Xmx1024m}"
MAIN_CLASS="com.label.LabelBackendApplication"
JAVA_ARGS="$JVM_OPTS \
  -Dspring.config.location=file:$CONFDIR/application.yml \
  -Dlogging.config=file:$CONFDIR/logback.xml \
  -cp $LIBDIR/*"

if [ -f /.dockerenv ]; then
  # Docker 容器：exec 替换当前进程，PID=1 接管信号
  exec java $JAVA_ARGS $MAIN_CLASS
else
  # 裸机 / VM：nohup 后台运行
  nohup java $JAVA_ARGS $MAIN_CLASS >> "$LOGDIR/startup.log" 2>&1 &
  echo "label-backend started, PID=$!"
fi