Laravel kubernetes 101: deploy laravel to kubernetes​?

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This vid helps get started w/ Laravel kubernetes.

i. Deploying a Laravel application to Kubernetes involves several steps. Here's a breakdown of the process:

**Preparation:**

1. **Dockerize your Laravel application:** Create a Dockerfile that defines the environment, dependencies, and build instructions for your Laravel application. This ensures a consistent and portable deployment across environments.

2. **Build the Docker image:** Use `docker build -t angled-bracket-hereyour_image_nameangled-bracket-here .` to build the image based on your Dockerfile. Replace `angled-bracket-hereyour_image_nameangled-bracket-here` with a descriptive name for your image.

3. **Push the image to a registry (optional):** If you plan to deploy across multiple clusters or want a centralized image store, consider pushing the image to a container registry like Docker Hub.

**Deployment on Kubernetes:**

1. **Define deployment manifest:** Create a YAML file specifying how to deploy your Laravel application in Kubernetes. This file includes details like container image, replicas (number of pods running the application), ports, and resource requests/limits.

Here's a basic example deployment manifest for a Laravel application:

```yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: laravel-app
spec:
replicas: 1
selector:
matchLabels:
app: laravel-app
template:
metadata:
labels:
app: laravel-app
spec:
containers:
- name: laravel-app
image: angled-bracket-hereyour_image_nameangled-bracket-here # Replace with your image name
ports:
- containerPort: 80 # Expose port 80 of the container
volumeMounts:
- name: laravel-storage # Volume mount for storage (explained later)
volumes:
- name: laravel-storage # Persistent storage volume (explained later)
```

2. **Define service manifest (optional):** A service manifest defines how to expose your application externally. It acts as a load balancer, directing traffic to your application pods.

```yaml
apiVersion: v1
kind: Service
metadata:
name: laravel-app-service
spec:
selector:
app: laravel-app
ports:
- protocol: TCP
port: 80
targetPort: 80
```

3. **Persistent storage (optional):** Laravel applications often require storage for uploads, sessions, and other data. You can configure a persistent volume claim and volume to provide persistent storage for your application pods.

4. **Apply manifests:** Use the `kubectl apply -f` command to apply your deployment and service manifests (and volume manifests if using persistent storage) to your Kubernetes cluster.

5. **Verify deployment:** Use `kubectl get pods` to check if your Laravel application pods are running and healthy.

**Additional Considerations:**

* **Environment variables:** Consider using Kubernetes Secrets to store sensitive environment variables like database credentials within your deployment.
* **Configuration management:** Tools like Helm can help manage complex deployments with multiple components and configurations.
* **Ingress controller (optional):** For more advanced scenarios, you might want to use an ingress controller to expose your application externally with a proper domain name.

**Learn more:**

* Kubernetes for Laravel: [https://www.capitalnumbers.com/blog/a-step-by-step-guide-for-deploying-laravel-applications-on-kubernetes/]
* Deploying Laravel in Kubernetes: [https://chris-vermeulen.com/]
* Kubernetes: deploy Laravel the easy way: [https://github.com/learnk8s/laravel-kubernetes-demo]

Remember, this is a general guideline. The specific deployment configuration might vary depending on your application's needs and chosen tools.