Wazuh Docker Deployment

Deploying Wazuh Docker in a Multi-Node Configuration

This deployment utilizes the multi-node/docker-compose.yml file, which defines a cluster setup with two Wazuh Manager, three Wazuh Indexer, and one Wazuh Dashboard containers. Follow these steps to deploy this configuration:

Increase vm.max_map_count on each Docker host that will run a Wazuh Indexer container (Linux). This setting is crucial for Wazuh Indexer to operate correctly. This command requires root permissions:
```
sudo sysctl -w vm.max_map_count=262144
```
Note: This change is temporary and will revert upon reboot. To make it permanent on each relevant host, you'll need to edit the /etc/sysctl.conf file, add vm.max_map_count=262144, and then apply the change with sudo sysctl -p.
Navigate to the multi-node directory within your repository:
```
cd multi-node
```

Download the certificate creation script and config.yml file:

curl -o wazuh-certs-tool.sh https://packages.wazuh.com/5.0/wazuh-certs-tool-5.1.0-1.sh
curl -o config.yml https://packages.wazuh.com/5.0/config-5.1.0-1.yml

Edit the config.yml file with the configuration of the Wazuh components to be deployed

nodes:
  # Wazuh indexer server nodes
  indexer:
    - name: wazuh1.indexer
      dns: "wazuh1.indexer"
    - name: wazuh2.indexer
      dns: "wazuh2.indexer"
    - name: wazuh3.indexer
      dns: "wazuh3.indexer"

  # Wazuh manager nodes
  # Use node_type only with more than one Wazuh manager
  manager:
    - name: wazuh.master
      dns: "wazuh.master"
      node_type: master
    - name: wazuh.worker
      dns: "wazuh.worker"
      node_type: worker

  # Wazuh dashboard node
  dashboard:
    - name: wazuh.dashboard
      dns: "wazuh.dashboard"

Run the certificate creation script:

sudo bash ../tools/utils/deployment/certificates-conf.sh --cert --copy --priv

Start the Wazuh environment using docker compose:
- To run in the foreground (logs will be displayed in your current terminal; press Ctrl+C to stop):
```
docker compose up
```
- To run in the background (detached mode, allowing the containers to run independently of your terminal):
```
docker compose up -d
```

Please allow some time for the environment to initialize, especially on the first run. A multi-node setup can take a few minutes (depending on your host resources and network) as the Wazuh Indexer cluster forms, and the necessary indexes and index patterns are generated.

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Wazuh Docker Deployment

Deploying Wazuh Docker in a Multi-Node Configuration

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