优化Dockerfile, 使适配debian11等新系统docker运行

asset/Dockerfile

@@ -10,11 +10,14 @@ ARG DOWNLAOD_URL="https://github.com/Jrohy/trojan/releases/download/"
 
 ARG SERVICE_URL="https://raw.githubusercontent.com/Jrohy/trojan/master/asset/trojan-web.service"
 
+ARG SYSTEMCTL_URL="https://raw.githubusercontent.com/gdraheim/docker-systemctl-replacement/master/files/docker/systemctl.py"
+
 RUN yum install socat bash-completion crontabs iptables openssl unzip -y && \
     LATEST_VERSION=`curl -H 'Cache-Control: no-cache' -s "$VERSION_CHECK" | grep 'tag_name' | cut -d\" -f4` && \
     [[ $TARGETARCH =~ "arm64" ]] && ARCH="arm64" || ARCH="amd64" && \
     curl -fL "$DOWNLAOD_URL/$LATEST_VERSION/trojan-linux-$ARCH" -o /usr/local/bin/trojan && \
     curl -L $SERVICE_URL -o /etc/systemd/system/trojan-web.service && \
-    chmod +x /usr/local/bin/trojan && \
+    curl -L $SYSTEMCTL_URL -o /usr/bin/systemctl && \
+    chmod +x /usr/local/bin/trojan /usr/bin/systemctl && \
     echo "source <(trojan completion bash)" >> ~/.bashrc && \
     yum clean all

asset/trojan-web.service

@@ -7,7 +7,7 @@ After=network.target network-online.target nss-lookup.target mysql.service maria
 Type=simple
 StandardError=journal
 ExecStart=/usr/local/bin/trojan web
-ExecReload=/bin/kill -HUP \$MAINPID
+ExecReload=/bin/kill -HUP $MAINPID
 Restart=on-failure
 RestartSec=3s