How do I set up Graylog using Docker?

How do I set up Graylog using Docker?

To set up Graylog using Docker, you'll need to pull the Graylog Docker image and run it with the necessary configurations.

What are the prerequisites for running Graylog in Docker?

You need Docker and Docker Compose installed, as well as a MongoDB and Elasticsearch instance running.

Can you provide a sample Docker Compose file for Graylog?

Sure! Here's a basic example:

version: '3'
services:
  mongo:
    image: mongo:4.0
    volumes:
      - mongo_data:/data/db
  elasticsearch:
    image: elasticsearch:7.9.3
    environment:
      - discovery.type=single-node
    volumes:
      - es_data:/usr/share/elasticsearch/data
  graylog:
    image: graylog/graylog:4.0
    environment:
      - GRAYLOG_PASSWORD_SECRET=somepasswordsecret
      - GRAYLOG_ROOT_PASSWORD_SHA2=yourhashedpassword
      - GRAYLOG_HTTP_EXTERNAL_URI=http://127.0.0.1:9000/
    ports:
      - "9000:9000"
    depends_on:
      - mongo
      - elasticsearch
volumes:
  mongo_data:
  es_data:

How do I access the Graylog web interface after setup?

You can access the Graylog web interface by navigating to http://localhost:9000 in your web browser.