fix: correct issues with entrypoint

daemon/Dockerfile

@@ -80,4 +80,4 @@ COPY entrypoint.sh /entrypoint.sh
 VOLUME ["/data"]
 VOLUME ["/tmp"]
 
-CMD ["/entrypoint.sh"]
+ENTRYPOINT ["/entrypoint.sh"]

init/Dockerfile

 FROM alpine:3.15
 COPY entrypoint.sh /entrypoint.sh
-CMD ["/entrypoint.sh"]
+ENTRYPOINT ["/entrypoint.sh"]

init/entrypoint.sh

-#!/bin/bash
-set -euo pipefail
+#!/bin/sh
+set -eu
 
 mkdir -p /dev/net
 mknod /dev/net/tun c 10 200

wireguard/Dockerfile

@@ -11,4 +11,4 @@ RUN ln -s /sbin/iptables-nft /sbin/iptables
 
 COPY entrypoint.sh /entrypoint.sh
 VOLUME ["/wireguard.conf"]
-CMD ["/entrypoint.sh"]
+ENTRYPOINT ["/entrypoint.sh"]