Networking

Today we’ll setup an ingress rule using Contour. You can follow this guide to setup Contour ingress controller on your K8s cluster. First, we’ll create a simple Ingress rule to handle plain HTTP requests to our service for us. Simple HTTP Ingress apiVersion: networking.k8s.io/v1 kind: Ingress metadata: name: http-ingress spec: ingressClassName: contour rules: - host: "example.org" http: paths: - backend: service: name: app-svc port: number: 8181 path: / pathType: Prefix By applying this Ingress rule, Contour will be notified and will command Envoy to setup required configuration on each Envoy pod to be able to redirect traffic destined to example....

Want to know how Docker containers work? We’re gonna find out! Today we’re going to simulate container networking. We’ll do this with magic of Linux namespaces, virtual ethernet devices, bridge devices, and iptables. Note You’ll need root access to be able to run given commands. First, we’ll create two network namespace for containers container-1 and container-2 named c1 and c2. This command will create two seperate namespaces which have their own interfaces and routing tables:...