336 lines
19 KiB
Markdown
336 lines
19 KiB
Markdown
# Bitnami package for Grafana
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## What is Grafana?
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> Grafana is an open source metric analytics and visualization suite for visualizing time series data that supports various types of data sources.
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[Overview of Grafana](https://grafana.com/)
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Trademarks: This software listing is packaged by Bitnami. The respective trademarks mentioned in the offering are owned by the respective companies, and use of them does not imply any affiliation or endorsement.
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## TL;DR
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```console
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docker run --name grafana bitnami/grafana:latest
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```
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## Why use Bitnami Images?
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* Bitnami closely tracks upstream source changes and promptly publishes new versions of this image using our automated systems.
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* With Bitnami images the latest bug fixes and features are available as soon as possible.
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* Bitnami containers, virtual machines and cloud images use the same components and configuration approach - making it easy to switch between formats based on your project needs.
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* All our images are based on [**minideb**](https://github.com/bitnami/minideb) -a minimalist Debian based container image that gives you a small base container image and the familiarity of a leading Linux distribution- or **scratch** -an explicitly empty image-.
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* All Bitnami images available in Docker Hub are signed with [Notation](https://notaryproject.dev/). [Check this post](https://blog.bitnami.com/2024/03/bitnami-packaged-containers-and-helm.html) to know how to verify the integrity of the images.
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* Bitnami container images are released on a regular basis with the latest distribution packages available.
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Looking to use Grafana in production? Try [VMware Tanzu Application Catalog](https://bitnami.com/enterprise), the commercial edition of the Bitnami catalog.
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## How to deploy Grafana in Kubernetes?
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Deploying Bitnami applications as Helm Charts is the easiest way to get started with our applications on Kubernetes. Read more about the installation in the [Bitnami Grafana Chart GitHub repository](https://github.com/bitnami/charts/tree/master/bitnami/grafana).
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Bitnami containers can be used with [Kubeapps](https://kubeapps.dev/) for deployment and management of Helm Charts in clusters.
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## Why use a non-root container?
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Non-root container images add an extra layer of security and are generally recommended for production environments. However, because they run as a non-root user, privileged tasks are typically off-limits. Learn more about non-root containers [in our docs](https://techdocs.broadcom.com/us/en/vmware-tanzu/application-catalog/tanzu-application-catalog/services/tac-doc/apps-tutorials-work-with-non-root-containers-index.html).
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## Only the latest stable branch maintained in the free Bitnami catalog
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Starting December 10th, 2024, only the latest stable branch of each container image will receive updates in the free Bitnami catalog. To access up-to-date releases for all upstream-supported branches (e.g., LTS), consider upgrading to Bitnami Premium. Previously released versions will not be deleted and will remain available for pulling from DockerHub.
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Please check the Bitnami Premium page in our partner [Arrow Electronics](https://www.arrow.com/globalecs/na/vendors/bitnami?utm_source=GitHub&utm_medium=containers) for more information.
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## Supported tags and respective `Dockerfile` links
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Learn more about the Bitnami tagging policy and the difference between rolling tags and immutable tags [in our documentation page](https://techdocs.broadcom.com/us/en/vmware-tanzu/application-catalog/tanzu-application-catalog/services/tac-doc/apps-tutorials-understand-rolling-tags-containers-index.html).
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You can see the equivalence between the different tags by taking a look at the `tags-info.yaml` file present in the branch folder, i.e `bitnami/ASSET/BRANCH/DISTRO/tags-info.yaml`.
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Subscribe to project updates by watching the [bitnami/containers GitHub repo](https://github.com/bitnami/containers).
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## Get this image
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The recommended way to get the Bitnami Grafana Docker Image is to pull the prebuilt image from the [Docker Hub Registry](https://hub.docker.com/r/bitnami/grafana).
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```console
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docker pull bitnami/grafana:latest
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```
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To use a specific version, you can pull a versioned tag. You can view the [list of available versions](https://hub.docker.com/r/bitnami/grafana/tags/) in the Docker Hub Registry.
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```console
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docker pull bitnami/grafana:[TAG]
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```
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If you wish, you can also build the image yourself by cloning the repository, changing to the directory containing the Dockerfile and executing the `docker build` command. Remember to replace the `APP`, `VERSION` and `OPERATING-SYSTEM` path placeholders in the example command below with the correct values.
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```console
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git clone https://github.com/bitnami/containers.git
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cd bitnami/APP/VERSION/OPERATING-SYSTEM
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docker build -t bitnami/APP:latest .
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```
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## Connecting to other containers
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Using [Docker container networking](https://docs.docker.com/engine/userguide/networking/), a different server running inside a container can easily be accessed by your application containers and vice-versa.
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Containers attached to the same network can communicate with each other using the container name as the hostname.
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### Using the Command Line
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#### Step 1: Create a network
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```console
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docker network create grafana-network --driver bridge
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```
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#### Step 2: Launch the grafana container within your network
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Use the `--network <NETWORK>` argument to the `docker run` command to attach the container to the `grafana-network` network.
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```console
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docker run --name grafana-node1 --network grafana-network bitnami/grafana:latest
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```
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#### Step 3: Run another containers
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We can launch another containers using the same flag (`--network NETWORK`) in the `docker run` command. If you also set a name to your container, you will be able to use it as hostname in your network.
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## Configuration
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### Environment variables
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#### Customizable environment variables
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| Name | Description | Default Value |
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|-------------------------------|--------------------------------------------------------------------------------------|-----------------------------------------|
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| `GRAFANA_TMP_DIR` | Grafana directory for temporary runtime files. | `${GRAFANA_BASE_DIR}/tmp` |
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| `GRAFANA_PID_FILE` | Grafana PID file. | `${GRAFANA_TMP_DIR}/grafana.pid` |
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| `GRAFANA_DEFAULT_CONF_DIR` | Grafana directory for default plugins. | `${GRAFANA_BASE_DIR}/conf.default` |
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| `GRAFANA_DEFAULT_PLUGINS_DIR` | Grafana directory for default configuration files. | `${GRAFANA_BASE_DIR}/default-plugins` |
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| `GF_PATHS_HOME` | Grafana home directory. | `$GRAFANA_BASE_DIR` |
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| `GF_PATHS_CONFIG` | Grafana configuration file. | `${GRAFANA_BASE_DIR}/conf/grafana.ini` |
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| `GF_PATHS_DATA` | Grafana directory for data files. | `${GRAFANA_BASE_DIR}/data` |
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| `GF_PATHS_LOGS` | Grafana directory for log files. | `${GRAFANA_BASE_DIR}/logs` |
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| `GF_PATHS_PLUGINS` | Grafana directory for plugins. | `${GF_PATHS_DATA}/plugins` |
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| `GF_PATHS_PROVISIONING` | Grafana directory for provisioning configurations. | `${GRAFANA_BASE_DIR}/conf/provisioning` |
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| `GF_INSTALL_PLUGINS` | Grafana plugins to install | `nil` |
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| `GF_INSTALL_PLUGINS_SKIP_TLS` | Whether to skip TLS certificate verification when installing plugins | `yes` |
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| `GF_FEATURE_TOGGLES` | Comma-separated list of Grafana feature toggles. | `nil` |
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| `GF_SECURITY_ADMIN_PASSWORD` | Grafana admin password. | `nil` |
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| `GRAFANA_MIGRATION_LOCK` | Enable the migration lock mechanism to avoid issues caused by concurrent migrations. | `false` |
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| `GRAFANA_SLEEP_TIME` | Sleep time between migration status check attempts. | `10` |
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| `GRAFANA_RETRY_ATTEMPTS` | Number of retries to check migration status. | `12` |
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#### Read-only environment variables
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| Name | Description | Value |
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|----------------------------|-------------------------------------------------------------|---------------------------------|
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| `GRAFANA_BASE_DIR` | Grafana installation directory. | `${BITNAMI_ROOT_DIR}/grafana` |
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| `GRAFANA_BIN_DIR` | Grafana directory for binary executables. | `${GRAFANA_BASE_DIR}/bin` |
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| `GRAFANA_CONF_DIR` | Grafana directory for configuration. | `${GRAFANA_BASE_DIR}/conf` |
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| `GRAFANA_DAEMON_USER` | Grafana system user. | `grafana` |
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| `GRAFANA_DAEMON_GROUP` | Grafana system group. | `grafana` |
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| `GF_VOLUME_DIR` | Grafana volume directory. | `${BITNAMI_VOLUME_DIR}/grafana` |
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| `GF_OP_PATHS_CONFIG` | Grafana Operator configuration directory. | `/etc/grafana/grafana.ini` |
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| `GF_OP_PATHS_DATA` | Grafana Operator directory for data files. | `/var/lib/grafana` |
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| `GF_OP_PATHS_LOGS` | Grafana Operator directory for log files. | `/var/log/grafana` |
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| `GF_OP_PATHS_PROVISIONING` | Grafana Operator directory for provisioning configurations. | `/etc/grafana/provisioning` |
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| `GF_OP_PLUGINS_INIT_DIR` | Grafana Operator directory for plugins. | `/opt/plugins` |
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### Dev config
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Update the `grafana.ini` configuration file in the `/opt/bitnami/grafana/conf` directory to override default configuration options. You only need to add the options you want to override. Config files are applied in the order of:
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```text
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grafana.ini
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default.ini
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```
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To enable development mode, edit the `grafana.ini` file and set `app_mode = development`.
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### Production config
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Override the `/opt/bitnami/grafana/conf/grafana.ini` file mounting a volume.
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```console
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docker run --name grafana-node -v /path/to/grafana.ini:/opt/bitnami/grafana/conf/grafana.ini bitnami/grafana:latest
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```
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After that, your configuration will be taken into account in the server's behaviour.
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You can also do this by changing the [`docker-compose.yml`](https://github.com/bitnami/containers/blob/main/bitnami/grafana/docker-compose.yml) file present in this repository:
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```yaml
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grafana:
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...
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volumes:
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- /path/to/grafana.ini:/opt/bitnami/grafana/conf/grafana.ini
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...
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```
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### Grafana plugins
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You can customize this image and include the plugins you desire editing the list of plugins avilable in the script (see the variable "grafana_plugin_list") and build your own image as shown below:
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```console
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cd 10/debian-12
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docker build -t your-custom-grafana .
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```
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#### Install plugins at initialization
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When you start the Grafana image, you can specify a comma, semi-colon or space separated list of plugins to install by setting the env. variable `GF_INSTALL_PLUGINS`. The entries in `GF_INSTALL_PLUGINS` have three different formats:
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* `plugin_id`: This will download the latest plugin version with name `plugin_id` from [the official Grafana plugins page](https://grafana.com/grafana/plugins).
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* `plugin_id:plugin_version`: This will download the plugin with name `plugin_id` and version `plugin_version` from [the official Grafana plugins page](https://grafana.com/grafana/plugins).
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* `plugin_id=url`: This will download the plugin with name `plugin_id` using the zip file specified in `url`. In case you want to skip TLS verification, set the variable `GF_INSTALL_PLUGINS_SKIP_TLS` to `yes`.
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For Docker Compose, add the variable name and value under the application section:
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```yaml
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grafana:
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...
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environment:
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- GF_INSTALL_PLUGINS=grafana-clock-panel:1.1.0,grafana-kubernetes-app,worldpring=https://github.com/raintank/worldping-app/releases/download/v1.2.6/worldping-app-release-1.2.6.zip
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...
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```
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For manual execution add a `-e` option with each variable and value:
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```console
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docker run -d --name grafana -p 3000:3000 \
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-e GF_INSTALL_PLUGINS="grafana-clock-panel:1.1.0,grafana-kubernetes-app,worldpring=https://github.com/raintank/worldping-app/releases/download/v1.2.6/worldping-app-release-1.2.6.zip" \
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bitnami/grafana:latest
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```
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#### Grafana Image Renderer plugin
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You can install the [Grafana Image Renderer plugin](https://github.com/grafana/grafana-image-renderer) to handle rendering panels and dashboards as PNG images. To install the plugin, follow the instructions described in the [previous section](#install-plugins-at-initialization).
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As an alternative to install this plugin, you can use the [Grafana Image Renderer container](https://github.com/bitnami/containers/blob/main/bitnami/grafana-image-renderer) to set another Docker container for rendering and using remote rendering. We highly recommend to use this option. In the Docker Compose below you can see an example to use this container:
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```yaml
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version: '2'
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services:
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grafana:
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image: bitnami/grafana:6
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ports:
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- '3000:3000'
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environment:
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GF_SECURITY_ADMIN_PASSWORD: "bitnami"
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GF_RENDERING_SERVER_URL: "http://grafana-image-renderer:8080/render"
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GF_RENDERING_CALLBACK_URL: "http://grafana:3000/"
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grafana-image-renderer:
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image: bitnami/grafana-image-renderer:1
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ports:
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- '8080:8080'
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environment:
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HTTP_HOST: "0.0.0.0"
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HTTP_PORT: "8080"
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ENABLE_METRICS: 'true'
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```
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## Logging
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The Bitnami Grafana Docker image sends the container logs to the `stdout`. To view the logs:
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```console
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docker logs grafana
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```
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You can configure the containers [logging driver](https://docs.docker.com/engine/admin/logging/overview/) using the `--log-driver` option if you wish to consume the container logs differently. In the default configuration docker uses the `json-file` driver.
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## Maintenance
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### Upgrade this image
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Bitnami provides up-to-date versions of grafana, including security patches, soon after they are made upstream. We recommend that you follow these steps to upgrade your container.
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#### Step 1: Get the updated image
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```console
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docker pull bitnami/grafana:latest
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```
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#### Step 2: Stop and backup the currently running container
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Stop the currently running container using the command
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```console
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docker stop grafana
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```
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Next, take a snapshot of the persistent volume `/path/to/grafana-persistence` using:
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```console
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rsync -a /path/to/grafana-persistence /path/to/grafana-persistence.bkp.$(date +%Y%m%d-%H.%M.%S)
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```
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You can use this snapshot to restore the database state should the upgrade fail.
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#### Step 3: Remove the currently running container
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```console
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docker rm -v grafana
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```
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#### Step 4: Run the new image
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Re-create your container from the new image, restoring your backup if necessary.
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```console
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docker run --name grafana bitnami/grafana:latest
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```
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## Notable Changes
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### 7.5.7-debian-10-r16
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The number of plugins included in the image by default has been decreased. This decision is supported by the following reasons:
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* Bitnami commitment to offer images as less opinionated as possible: only very popular and well-maintained plugins should be included.
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* Reducing the image size.
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* Security concerns: by reducing the number of plugins, we also reduce the chances to include libraries affected by known vulnerabilities.
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You can still build your custom image adding your custom plugins or install them during the installization as explained in the Grafana Plugins section.
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### 6.7.3-debian-10-r28
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* The `GF_INSTALL_PLUGINS` environment variable is not set by default anymore. This means it doesn't try to install the [`grafana-image-renderer` plugin](https://github.com/grafana/grafana-image-renderer) anymore unless you specify it. As an alternative to install this plugin, you can use the [Grafana Image Renderer container](https://github.com/bitnami/containers/blob/main/bitnami/grafana-image-renderer).
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### 6.7.2-debian-10-r18
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* Grafana doesn't ship the [`grafana-image-renderer` plugin](https://github.com/grafana/grafana-image-renderer/) by default anymore since it's not compatible with K8s distros with IPv6 disable. Instead, the `GF_INSTALL_PLUGINS` environment variable is set by default including this plugin so it's installed during the container's initialization, users can easily avoid it by overwriting the environment variable.
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## Using `docker-compose.yaml`
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Please be aware this file has not undergone internal testing. Consequently, we advise its use exclusively for development or testing purposes. For production-ready deployments, we highly recommend utilizing its associated [Bitnami Helm chart](https://github.com/bitnami/charts/tree/main/bitnami/grafana).
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If you detect any issue in the `docker-compose.yaml` file, feel free to report it or contribute with a fix by following our [Contributing Guidelines](https://github.com/bitnami/containers/blob/main/CONTRIBUTING.md).
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## Contributing
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We'd love for you to contribute to this container. You can request new features by creating an [issue](https://github.com/bitnami/containers/issues) or submitting a [pull request](https://github.com/bitnami/containers/pulls) with your contribution.
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## Issues
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If you encountered a problem running this container, you can file an [issue](https://github.com/bitnami/containers/issues/new/choose). For us to provide better support, be sure to fill the issue template.
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## License
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Copyright © 2025 Broadcom. The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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<http://www.apache.org/licenses/LICENSE-2.0>
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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