Merge branch 'update-converter' into 'development'

add HEALTHCHECK

See merge request !19

Dockerfile

@@ -16,6 +16,8 @@ RUN microdnf install -y unzip shadow-utils && \
     microdnf clean all && \
     rm -rf /var/cache/yum /var/tmp/* /tmp/* /var/tmp/.???* /tmp/.???*
 
+HEALTHCHECK none
+
 USER ${DEFAULTUID}
 
 ENTRYPOINT ["/usr/local/bin/rda-converter"]
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