Add envoyproxy module

CHANGELOG.asciidoc

@@ -317,6 +317,7 @@ https://github.com/elastic/beats/compare/v6.2.3...master[Check the HEAD diff]
 - Release raid and socket metricset from system module as GA. {pull}7658[7658]
 - Release elasticsearch module and all its metricsets as beta. {pull}7662[7662]
 - Release munin and traefik module as beta. {pull}7660[7660]
+- Add envoyproxy module. {pull}7569[7569]
 
 *Packetbeat*
 

metricbeat/docker-compose.yml

@@ -17,6 +17,7 @@ services:
       - ./module/couchbase/_meta/env
       - ./module/dropwizard/_meta/env
       - ./module/elasticsearch/_meta/env
+      - ./module/envoyproxy/_meta/env
       - ./module/etcd/_meta/env
       - ./module/haproxy/_meta/env
       - ./module/http/_meta/env
@@ -69,6 +70,9 @@ services:
       - "http.host=0.0.0.0"
       - "xpack.security.enabled=false"
 
+  envoyproxy:
+    build: ./module/envoyproxy/_meta
+
   etcd:
     build: ./module/etcd/_meta