Merge branch 'metricbeat-7.9.2' into 'development'

fix: remove unused EXPOSE port

See merge request !2

Dockerfile

@@ -84,7 +84,6 @@ LABEL org.label-schema.schema-version="1.0" \
   org.label-schema.vcs-url="https://github.com/elastic/${ELASTIC_PRODUCT}" \
   org.label-schema.license="Elastic License" license="Elastic License"
 
-EXPOSE 8200
 ENTRYPOINT ["/usr/local/bin/dumb-init", "--", "/usr/share/metricbeat/metricbeat", "-E", "http.enabled=true", "-E", "http.host=unix:///usr/share/metricbeat/data/metricbeat.sock"]
 CMD ["-environment", "container"]