diff --git a/local-tests/README.md b/local-tests/README.md
index b342207..e85f841 100644
--- a/local-tests/README.md
+++ b/local-tests/README.md
@@ -3,6 +3,7 @@
 
 ```
 docker-compose -f docker-compose-graylog.yml up
+docker-compose -f docker-compose-graylog4.yml up
 docker-compose -f docker-compose-grafana-loki.yml up
 docker-compose -f docker-compose-grafana-tempo.yml up
 docker-compose -f docker-compose-fluentd.yml up
@@ -22,7 +23,7 @@ plugins: https://docs.graylog.org/en/3.3/pages/integrations/setup.html
 curl -v -H "Content-Type: application/json" -XPOST -s "http://localhost:3100/api/prom/push" --data-raw '{"streams": [{ "labels": "{foo=\"bar\"}", "entries": [{ "ts": "2020-04-11T14:01:06.801064-04:00", "line": "fizzbuzz" }] }]}'
 ```
 
-### graylog 
+### graylog
 
 ```
 curl -v -X POST -H 'Content-Type: application/json' -d '{ "version": "1.1", "host": "example.org", "short_message": "A short message", "level": 5, "_some_info": "foo" }' 'http://graylog:12201/gelf'
@@ -47,6 +48,10 @@ https://mfyz.com/quick-and-dirty-set-up-graylog-in-5-minutes-with-docker/
 
 https://github.com/pecigonzalo/graylog-compose/blob/master/docker-compose.yml
 
+https://gist.github.com/Ghostbird/2365c64c6cb125566e1ee55737bedd5a
+
+https://docs.graylog.org/en/4.0/pages/installation/docker.html
+
 ### fluentd
 
 https://docs.fluentd.org/v/0.12/container-deployment/install-by-docker
diff --git a/local-tests/docker-compose-graylog4.yml b/local-tests/docker-compose-graylog4.yml
new file mode 100644
index 0000000..97f226e
--- /dev/null
+++ b/local-tests/docker-compose-graylog4.yml
@@ -0,0 +1,55 @@
+version: '3'
+services:
+  # MongoDB: https://hub.docker.com/_/mongo/
+  mongo:
+    image: mongo:4.4.4
+    networks:
+      - graylog
+  # Elasticsearch: https://www.elastic.co/guide/en/elasticsearch/reference/7.10/docker.html
+  elasticsearch:
+    image: docker.elastic.co/elasticsearch/elasticsearch-oss:7.10.2
+    environment:
+      - http.host=0.0.0.0
+      - transport.host=localhost
+      - network.host=0.0.0.0
+      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
+    ulimits:
+      memlock:
+        soft: -1
+        hard: -1
+    deploy:
+      resources:
+        limits:
+          memory: 1g
+    networks:
+      - graylog
+  # Graylog: https://hub.docker.com/r/graylog/graylog/
+  graylog:
+    image: graylog/graylog:4.0.3
+    environment:
+      # CHANGE ME (must be at least 16 characters)!
+      - GRAYLOG_PASSWORD_SECRET=somepasswordpepper
+      # Password: admin
+      - GRAYLOG_ROOT_PASSWORD_SHA2=8c6976e5b5410415bde908bd4dee15dfb167a9c873fc4bb8a81f6f2ab448a918
+      - GRAYLOG_HTTP_EXTERNAL_URI=http://localhost:9000/
+    entrypoint: /usr/bin/tini -- wait-for-it elasticsearch:9200 --  /docker-entrypoint.sh
+    networks:
+      - graylog
+    restart: always
+    depends_on:
+      - mongo
+      - elasticsearch
+    ports:
+      # Graylog web interface and REST API
+      - 9000:9000
+      # Syslog TCP
+      - 1514:1514
+      # Syslog UDP
+      - 1514:1514/udp
+      # GELF TCP
+      - 12201:12201
+      # GELF UDP
+      - 12201:12201/udp
+networks:
+  graylog:
+    driver: bridge
\ No newline at end of file