fix entrypoint

scripts/entrypoint.sh

@@ -3,12 +3,6 @@ set -euo pipefail
 
 API_SOCKET="/hy.socks"
 
-_stop() {
-  ch-remote --api-socket "$API_SOCKET" power-button
-}
-
-trap _stop EXIT TERM
-
 /usr/bin/cloud-hypervisor \
   --kernel /boot/vmlinuz-virt --initramfs /boot/initramfs-virt \
   --disk path=/image/vm.raw,image_type=raw \
@@ -17,5 +11,15 @@ trap _stop EXIT TERM
   --cmdline "root=/dev/vda rootfstype=ext4 modules=ext4a rw console=hvc0" \
   --cpus boot=${CPU_COUNT:-4} \
   --memory size=${MEMORY:-4G},shared=on \
-  --net "tap=$NET_INTERFACE,mac=$NET_MAC"
-  $@
+  --net "tap=$NET_INTERFACE,mac=$NET_MAC" \
+  $@ &
+
+CH_PID=$!
+
+_stop() {
+  ch-remote --api-socket "$API_SOCKET" power-button
+}
+
+trap _stop TERM
+
+wait $CH_PID