chore: use bin.tar.gz, change workdir

src/Dockerfile

@@ -78,8 +78,9 @@ RUN set -eux; \
   rm -f /tmp/restic*;
 
 COPY        --from=build /usr/local/bin/webhook /usr/local/bin/webhook
-COPY        bin/* /usr/local/bin
-WORKDIR     /etc/webhook
+COPY        bin.tar.gz /tmp
+RUN         tar -C /usr/local/bin xzf /tmp/bin.tar.gz 
+WORKDIR     /home/webhook
 VOLUME      ["/etc/webhook"]
 EXPOSE      9000
 ENTRYPOINT  ["/usr/local/bin/webhook"]