### Start OpenSearch Cluster Services with Docker Compose

Source: https://github.com/matanbaruch/aws-cloudfront-logs-opensearch/blob/main/README.md

Executes the `docker-compose up` command to start all defined services in detached mode (`-d`) and waits for them to become healthy (`--wait`). This initiates the OpenSearch node, Logstash for log processing, and OpenSearch Dashboards for data visualization.

```Bash
docker-compose up -d --wait
```

--------------------------------

### Docker Compose Service Definitions for Cloudfront Log Ingestion

Source: https://github.com/matanbaruch/aws-cloudfront-logs-opensearch/blob/main/README.md

Detailed configuration for the core services within the `docker-compose.yml` file, outlining the setup for the OpenSearch node, Logstash for AWS S3 log ingestion, OpenSearch Dashboards for UI access, and a health check container. This section specifies images, container names, port mappings, environment variables, and inter-service dependencies.

```APIDOC
Services:
  OpenSearch Node:
    Image: opensearchproject/opensearch:latest
    Container Name: opensearch-node
    Ports:
      - 9200:9200 (HTTP REST API)
      - 9600:9600 (monitoring)
    Environment Variables:
      - cluster.name: Name of the OpenSearch cluster
      - node.name: Name of the OpenSearch node
      - discovery.seed_hosts: Hosts to seed the discovery process
      - cluster.initial_cluster_manager_nodes: Initial cluster manager nodes
      - bootstrap.memory_lock: Lock memory on startup
      - OPENSEARCH_JAVA_OPTS: Java options for OpenSearch
      - DISABLE_INSTALL_DEMO_CONFIG: Disable installation of demo configurations
      - DISABLE_SECURITY_PLUGIN: Disable security plugin
    Health Check: Uses curl to check if OpenSearch is running.

  Logstash:
    Container Name: logstash
    Volumes:
      - Mounts AWS credentials and Logstash configuration files
    Environment Variables:
      - OPENSEARCH_HOST: Hostname of the OpenSearch node
      - OPENSEARCH_PORT: Port of the OpenSearch HTTP REST API
      - BUCKET_NAME: AWS S3 bucket name
      - BUCKET_PREFIX: Prefix for objects in the S3 bucket
      - BUCKET_REGION: Region of the AWS S3 bucket
      - AWS_SHARED_CREDENTIALS_FILE: Location of AWS credentials file
    Dependencies: Depends on OpenSearch node being healthy.

  OpenSearch Dashboards:
    Image: opensearchproject/opensearch-dashboards:latest
    Container Name: opensearch-dashboards
    Ports:
      - 5601:5601 (accessing the Dashboards UI)
    Environment Variables:
      - OPENSEARCH_HOSTS: Hosts of the OpenSearch cluster
      - DISABLE_SECURITY_DASHBOARDS_PLUGIN: Disable security plugin for OpenSearch Dashboards
    Dependencies: Depends on OpenSearch node being healthy.
    Health Check: Uses curl to check if OpenSearch Dashboards is running.

  Health Check:
    Image: busybox
    Container Name: healthcheck
    Dependencies: Depends on OpenSearch node, OpenSearch Dashboards, and Logstash.
    Command: Sleeps indefinitely to keep the container running.
```

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