graylog 4 rc docker-compose file, change the external URI IP to your dev machine's IP, will send all local logs to graylog (once you add gelf inputs)

docker-compose.yml

version: "3.4"
services:
  mongo:
    image: mongo:3
  elasticsearch:
    image: docker.elastic.co/elasticsearch/elasticsearch-oss:7.9.3
    environment:
      - discovery.type=single-node
  graylog:
    image: graylog/graylog:4.0.0-rc.1-1
    ports:
      - 9000:9000
      - 12201:12201
      - 1514:1514
    environment:
     - GRAYLOG_HTTP_EXTERNAL_URI=http://192.0.2.0:9000/
     - elasticsearch_version=7
    depends_on:
      - mongo
      - elasticsearch
  logspout:
    image: jacobdevans/logspout-gelf
    volumes:
      - /etc/hostname:/etc/host_hostname:ro
      - /var/run/docker.sock:/var/run/docker.sock
    depends_on:
      - graylog
    command:
      gelf://graylog:12201