### Install K3s and Get Cluster Config

Source: https://docs.canine.sh/docs/getting-started/set-up-a-kubernetes-cluster

This snippet demonstrates how to install K3s, a lightweight Kubernetes distribution, on a server and then retrieve the cluster configuration file. The K3s installation is performed using a curl command, and the configuration is accessed via a cat command.

```bash
curl -sfL https://get.k3s.io | sh -s - --disable traefik
sudo cat /etc/rancher/k3s/k3s.yaml
```

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

### Install Canine using Shell Script

Source: https://docs.canine.sh/docs/getting-started/optional-install-canine-locally

This snippet downloads and executes the Canine installation script from GitHub using `curl`. Ensure Docker Compose is installed and functional before running this command.

```bash
curl -sSL https://raw.githubusercontent.com/czhu12/canine/refs/heads/main/install/install.sh | bash  
```

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

### Template canine.yml with ERB for Dynamic Configuration

Source: https://docs.canine.sh/docs/basics/projects/preview-apps

This example demonstrates using ERB templating within `canine.yml` to dynamically configure environment variables and scripts. It shows how to assign unique databases to preview apps and manage their creation and deletion.

```yaml
environment_variables:
  - name: DATABASE_URL
    value: "postgres://postgres_url/preview_app_database_<%= number %>" # Have each preview app have its own database based on the pull request number
scripts:
  predeploy: "/script-to-create-database" # Create the database when the preview app is first created
  postdestroy: "/script-to-drop-database" # Delete the database when the preview app is destroyed
services:
  - name: web
    container_port: 6379
    service_type: web_service

```

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

### Install K3s for Single Node Cluster with Canine

Source: https://docs.canine.sh/docs/basics/clusters

This command installs K3s, a lightweight Kubernetes distribution, for setting up a single-node cluster managed by Canine. This is recommended for staging or low-traffic environments.

```Bash
curl -sfL https://get.k3s.io | sh -
```

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

### Configure Preview Apps with canine.yml

Source: https://docs.canine.sh/docs/basics/projects/preview-apps

This configuration file defines scripts, services, and environment variables for preview apps. It allows customization of pre-deployment, post-deployment, pre-destruction, and post-destruction scripts, as well as defining services and environment variables.

```yaml
scripts:
  predeploy: echo "Pre deploy script"
  postdeploy: echo "Post deploy script"
  predestroy: echo "Pre destroy script"
  postdestroy: echo "Post destroy script"
services:
  - name: web
    container_port: 6379
    service_type: web_service
  - name: bg-worker
    container_port: 6379
    service_type: background_worker
environment_variables:
  - name: DATABASE_URL
    value: postgres://localhost/test

```

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

### Set REDIS_URL Environment Variable

Source: https://docs.canine.sh/docs/getting-started/deploy-a-redis-database

This snippet demonstrates how to set the REDIS_URL environment variable. It assumes you have already obtained the connection URL from the Redis add-on.

```Bash
export REDIS_URL="your_redis_connection_url"
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.