#842: Update Dockerfile (#844)

resolve issue #842

Author: kingtistel

Dockerfile

@@ -60,6 +60,7 @@ WORKDIR /usr/src/app
 COPY --from=src /usr/src/app/build/tilemaker .
 COPY --from=src /usr/src/app/build/tilemaker-server .
 COPY --from=src /usr/local/lib/lua/5.1/flock.so /usr/local/lib/lua/5.1/flock.so
+COPY server/static ./static
 COPY resources ./resources
 COPY process.lua ./
 COPY config.json ./