# OpenTelemetry using Docker

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This tutorial demonstrates configuring [OpenTelemetry](https://docs-docusaurus.kinsta.page/opentelemetry/getting-started/.md) (OTEL) Collector to send your logs and metrics to Coralogix using Docker.

## Prerequisites[​](#prerequisites "Direct link to Prerequisites")

* Docker [installed](https://docs.docker.com/engine/install/)

## Configuration[​](#configuration "Direct link to Configuration")

**STEP 1**. Create a configuration file. Copy this template file and save it as `config.yaml`.

```
receivers:

  filelog:

    start_at: beginning

    include:

      - /example.log

    include_file_path: true

    multiline: {line_start_pattern: "\\n"}

  hostmetrics:

    collection_interval: 30s

    scrapers:

      cpu:

      memory:

exporters:

  coralogix:

    domain: "Domain"

    private_key: "Private key"

    application_name: "Application Name"

    subsystem_name: "Subsystem Name"

    timeout: 30s



service:

  pipelines:

    logs:

      receivers: [ filelog ]

      exporters: [ coralogix ]

    metrics:

      receivers: [ hostmetrics ]

      exporters: [ coralogix ]
```

Provide the following variables.

| Variable         | Description                                                                                                                                                                                                                                                                                                                                                                                                  |
| ---------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| Private Key      | Your Coralogix [**Send-Your-Data API key**](https://docs-docusaurus.kinsta.page/user-guides/account-management/api-keys/send-your-data-api-key/.md)                                                                                                                                                                                                                                                          |
| Application Name | The name of your [**application**](https://docs-docusaurus.kinsta.page/user-guides/account-management/account-settings/application-and-subsystem-names/.md), as it will appear in your Coralogix dashboard. For example, a company named SuperData might insert the SuperData string parameter. If SuperData wants to debug its test environment, it might use SuperData–Test.                               |
| Subsystem Name   | The name of your [**subsystem**](https://docs-docusaurus.kinsta.page/user-guides/account-management/account-settings/application-and-subsystem-names/.md), as it will appear in your Coralogix dashboard. Applications often have multiple subsystems (ie. Backend Servers, Middleware, Frontend Servers, etc.). In order to help you examine the data you need, inserting the subsystem parameter is vital. |
| Domain           | Your Coralogix **[domain](https://docs-docusaurus.kinsta.page/user-guides/account-management/account-settings/coralogix-domain/.md)**                                                                                                                                                                                                                                                                        |

**STEP 2**. Save this log file as `example.log`.

```
2023-06-19 05:20:50 ERROR This is a test error message

2023-06-20 12:50:00 DEBUG This is a test debug message

2023-06-21 12:34:56 INFO This is a test info message
```

**STEP 3**. Pull a docker image and run the collector in a container. To load your custom configuration `config.yaml` and the log file `example.log` from your current working directory, mount the files as a volume into the container. Find out more [here](https://opentelemetry.io/docs/collector/getting-started/#docker).

```
docker pull otel/opentelemetry-collector-contrib

docker run -d -v "$(pwd)"/config.yaml:/etc/otelcol-contrib/config.yaml -v "$(pwd)"/example.log:/example.log otel/opentelemetry-collector-contrib
```

## **Validation**[​](#validation "Direct link to validation")

Validate your configuration.

### Logs[​](#logs "Direct link to Logs")

In your Coralogix navigation pane, click **LiveTrail** **> Start** to view your logs.

[![Otel Coralogix logs](/assets/images/Untitled-1024x59-fd32bd3728e092dd2edefb87a62588e0.jpeg)](https://docs-docusaurus.kinsta.page/assets/images/Untitled-1024x59-fd32bd3728e092dd2edefb87a62588e0.jpeg)

[![Otel Coralogix logs](/assets/images/Untitled-18-1024x675-9ef0fbc7b0cd0ed5ab7c6057cf8ed13d.webp)](https://docs-docusaurus.kinsta.page/assets/images/Untitled-18-1024x675-9ef0fbc7b0cd0ed5ab7c6057cf8ed13d.webp)

### Metrics[​](#metrics "Direct link to Metrics")

**STEP 1**. Navigate to [hosted Grafana view](https://docs-docusaurus.kinsta.page/user-guides/visualizations/hosted-grafana-view/.md).

**STEP 2**. In the left-hand panel, click **Explore > Metrics browser.** Select the metrics that you would like to see.

[![Otel Coralogix metrics](/assets/images/Untitled-1-1-c3df6aa5f4f51395ce6653a7b2929f6f.jpeg)](https://docs-docusaurus.kinsta.page/assets/images/Untitled-1-1-c3df6aa5f4f51395ce6653a7b2929f6f.jpeg)

## Additional Resources[​](#additional-resources "Direct link to Additional Resources")

|               |                                                                                        |
| ------------- | -------------------------------------------------------------------------------------- |
| Documentation | [OpenTelemetry](https://docs-docusaurus.kinsta.page/opentelemetry/getting-started/.md) |