Fix permissions on volume.

Dockerfile

@@ -61,10 +61,12 @@ COPY --from=build /install/.dependencies/nomad-meta-info /app/.dependencies/noma
 # copy the documentation, its files will be served by the API
 COPY --from=build /install/docs/.build /app/docs/.build
 
+RUN mkdir -p /app/.volumes/fs
+RUN mkdir -p /nomad
 RUN useradd -ms /bin/bash nomad
 RUN chown -R nomad /app
+RUN chown -R nomad /nomad
 USER nomad
-RUN mkdir -p /app/.volumes/fs
-RUN mkdir -p /nomad
+
 VOLUME /app/.volumes/fs
 VOLUME /nomad