Update Dockerfile

docker/caddy/Dockerfile

@@ -37,4 +37,4 @@ EXPOSE 443
 EXPOSE 2015
 
 ENV TZ=Asia/Shanghai
-CMD [ "/usr/bin/caddy", "--config", "/etc/caddy/Caddyfile" ]
+CMD [ "/usr/bin/caddy", "-conf", "/etc/caddy/Caddyfile" ]

docker/caddy/Dockerfile.architecture

@@ -38,4 +38,4 @@ EXPOSE 443
 EXPOSE 2015
 
 ENV TZ=Asia/Shanghai
-CMD [ "/usr/bin/caddy", "--config", "/etc/caddy/Caddyfile" ]
+CMD [ "/usr/bin/caddy", "-conf", "/etc/caddy/Caddyfile" ]