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# 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:
1. 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:
```bash
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`.
2. Navigate to the `multi-node` directory within your repository:
```bash
cd multi-node
```
3. Download the certificate creation script and config.yml file:
```bash
curl -o wazuh-certs-tool.sh https://packages.wazuh.com/5.0/wazuh-certs-tool-5.0.0-1.sh
curl -o config.yml https://packages.wazuh.com/5.0/config-5.0.0-1.yml
```
4. Edit the `config.yml` file with the configuration of the Wazuh components to be deployed
```yaml
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"
```
5. Run the certificate creation script:
```bash
sudo bash ../tools/utils/deployment/certificates-conf.sh --cert --copy --priv
```
6. 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):
```bash
docker compose up
```
* To run in the background (detached mode, allowing the containers to run independently of your terminal):
```bash
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.