Let us learn more about the digitalocean ingress load balancer. With the support of our DigitalOcean support services at Bobcares we will go through the load balancer setup process.

What is DigitalOcean ingress load balancer?

DigitalOcean Ingress is a load balancer that manages inbound traffic to Kubernetes (DOKS) clusters hosted by DigitalOcean. It functions as an API object, allowing the apps to do load balancing and SSL termination.

An Ingress object describes how to route traffic to application services. It does this by matching HTTP or HTTPS requests against the given rules and then sending them to the appropriate backend service.

Ingress also supports TLS termination, allowing us to terminate SSL traffic at the Ingress load balancer and subsequently transmit unencrypted data to the application services.

Ingress may provides ‘name base’ virtual hosting, which allows the serving of many domain names by a single IP address.

On DigitalOcean, we may use the Kubernetes API or the kubectl command-line tool to build and manage Ingress resources.

DigitalOcean Load Balancers (DOLB) is a managed load balancer service that we may use to load balance traffic across numerous Droplets or Kubernetes nodes.

An Ingress is a Kubernetes resource that governs external access to a Kubernetes cluster’s services.

It functions as a layer 7 (HTTP/HTTPS) load balancer, routing traffic to various backend services according to the rules set in the Ingress resource.

Digitalocean Ingress Load Balancer: Example

In Kubernetes, the following is an example of an Ingress resource:

yaml
Copy code
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: my-ingress
spec:
rules:
- host: example.com
http:
paths:
- path: /app1
pathType: Prefix
backend:
service:
name: app1-service
port:
name: http
- path: /app2
pathType: Prefix
backend:
service:
name: app2-service
port:
name: http

The Ingress resource includes two rules in this example. Each rule defines that we have to send a separate path to a different backend service. The host field defines the domain name for which the Ingress should listen, and the route field gives the URL path to be passed to the backend service.

Why use Digitalocean Ingress Load Balancer?

The Ingress resource in DigitalOcean is used to govern external access to applications operating on DOKS clusters.

The Ingress controller at DigitalOcean is in charge of monitoring the Kubernetes API server for changes to Ingress resources and setting a DigitalOcean Load Balancer (DOLB) to send traffic to the appropriate backend service.

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Conclusion

To Sum up, DigitalOcean Ingress is a strong solution for managing external access to applications operating on DOKS clusters. With the support of our Digitalocean support services at Bobcares we have now seen more about the usage of the load balancer.