Update Dockerfile

Dockerfile

@@ -1,6 +1,13 @@
 FROM filebrowser/filebrowser:latest
-WORKDIR /tmp
-RUN wget https://github.com/rishikesh-suvarna/tunl.cc/releases/latest/download/tunl-linux-x64 > /tmp/tunl
-RUN chmod +x /tmp/tunl
+
+USER root
+RUN apk add --no-cache ca-certificates curl
+
+RUN curl -L https://github.com/rishikesh-suvarna/tunl.cc/releases/latest/download/tunl-linux-x64 > /usr/bin/tunl
+RUN chmod +x /usr/bin/tunl
+
+WORKDIR /srv
 EXPOSE 7860
-CMD ["--noauth", "-p", "7860", "&", "/tmp/tunl", "7860", "files"]
+
+ENTRYPOINT ["/bin/sh", "-c"]
+CMD ["filebrowser --noauth -p 7860 -r /srv & tunl 7860 files"]