Update Dockerfile

Dockerfile

@@ -19,7 +19,7 @@ LABEL maintainer="${QL_MAINTAINER}"
 ARG QL_URL=https://github.com/${QL_MAINTAINER}/qinglong.git
 ARG QL_BRANCH=debian
 
-RUN rm -f /etc/resolv.conf && echo '8.8.8.8' > /etc/resolv.conf
+RUN echo "nameserver 8.8.8.8" >> /etc/resolv.conf
 
 ENV PNPM_HOME=/root/.local/share/pnpm \
   PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/root/.local/share/pnpm:/root/.local/share/pnpm/global/5/node_modules:$PNPM_HOME \
@@ -34,7 +34,6 @@ COPY --from=nodebuilder /usr/local/bin/node /usr/local/bin/
 COPY --from=nodebuilder /usr/local/lib/node_modules/. /usr/local/lib/node_modules/
 
 
-
 RUN set -x && \
   ln -s /usr/local/lib/node_modules/npm/bin/npm-cli.js /usr/local/bin/npm && \
   ln -s /usr/local/lib/node_modules/npm/bin/npx-cli.js /usr/local/bin/npx && \