Update Dockerfile

Dockerfile

@@ -8,6 +8,7 @@ ENV MEILI_NO_ANALYTICS=true
 
 # Create and set the MeiliSearch data directory
 RUN mkdir -p /meili_data
+RUN chmod -R 777 /meili_data
 VOLUME ["/meili_data"]
 
 # The base image already defines an ENTRYPOINT that runs MeiliSearch