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====== Updating and Installing SearXNG Docker Instance ======

This page provides detailed instructions on how to update or install your SearXNG instance using Docker. The installation directory is set in this example as **`/data1/searxng-docker/`**.

===== Steps to Update SearXNG =====

Follow the steps below to update your SearXNG instance to the latest version.

==== 1. Navigate to the Installation Directory ====

First, open your terminal and navigate to the directory where your SearXNG instance is installed.

<code>
cd /data1/searxng-docker/
</code>

==== 2. Pull the Latest Docker Images ====

Use the **`docker-compose pull`** command to download the latest version of the Docker images defined in your **`docker-compose.yml`** file.

<code>
docker-compose pull
</code>

This command fetches the most recent versions of the SearXNG Docker images available.

==== 3. Restart the Containers with the New Version ====

After downloading the new images, restart the containers to apply the updates. Run the following command to bring the updated version into effect:

<code>
docker-compose up -d
</code>

This will recreate and restart the containers with the latest versions of the images.

==== 4. Verify the Update ====

To ensure that the update was successful, visit your running SearXNG instance in a web browser. You can also list the currently running containers with:

<code>
docker container ls
</code>

Check that the SearXNG container is running and that it is indeed using the latest image.

==== 5. (Optional) Clean Up Unused Containers ====

If any old containers are still in place and no longer needed, you might want to clean them up. You can remove unnecessary containers with the following command:

<code>
docker container prune
</code>

This command removes all stopped containers and frees up space.

===== Steps to Install SearXNG =====

If you don't have SearXNG installed yet, follow the steps below for a fresh installation:

==== 1. Install Docker ====

Make sure Docker is installed on your system. If Docker is not installed, follow the official Docker documentation to set it up.

==== 2. Clone the SearXNG Docker Repository ====

Navigate to your desired installation directory and clone the SearXNG Docker repository:

<code>
cd /data1/
git clone https://github.com/searxng/searxng-docker.git
cd searxng-docker/
</code>

==== 3. Configure Environment Variables ====

Edit the **`.env`** file to set the appropriate hostname and email address:

<code>
nano .env
</code>

Generate a secret key to be used in SearXNG by running:

<code>
sed -i "s|ultrasecretkey|$(openssl rand -hex 32)|g" searxng/settings.yml
</code>

==== 4. Customize SearXNG Settings ====

Edit the **`searxng/settings.yml`** file according to your needs. You can configure various aspects of your SearXNG instance including search engines, API keys, and user interface options.

<code>
nano searxng/settings.yml
</code>

==== 5. Start SearXNG in the Background ====

After finishing the configuration, start SearXNG in the background using Docker Compose:

<code>
docker-compose up -d
</code>

==== 6. Check if SearXNG is Running ====

Ensure that SearXNG is running correctly by checking the status of the Docker container:

<code>
docker container ls
</code>

You can also visit your SearXNG instance by navigating to the hostname you set in the **`.env`** file.