Introduction to Containers / K8s / OpenShift

The labs in this repo were tested in a Fedora 41 system with the following hardware and software versions:

Hardware:

• 4 vCPUs
• 4 GiB RAM
• 30 GB HD

Software:

• Podman
• Podman Compose
• Kubectl v1.31.2
• Kind v0.25.0

Preparing the system for the labs

1. Connect to the Fedora 41 system

2. Install Required software

   sudo rpm --import https://packages.microsoft.com/keys/microsoft.asc
   echo -e "[code]\nname=Visual Studio Code\nbaseurl=https://packages.microsoft.com/yumrepos/vscode\nenabled=1\ngpgcheck=1\ngpgkey=https://packages.microsoft.com/keys/microsoft.asc" | sudo tee /etc/yum.repos.d/vscode.repo > /dev/null
   sudo dnf install -y podman podman-compose code openjdk

3. Install Kubectl

   sudo curl -L https://dl.k8s.io/release/v1.31.2/bin/linux/amd64/kubectl -o /usr/local/bin/kubectl
   sudo chmod +x /usr/local/bin/kubectl

4. Install Kind

   sudo curl -L https://github.com/kubernetes-sigs/kind/releases/download/v0.25.0/kind-linux-amd64 -o /usr/local/bin/kind
   sudo chmod +x /usr/local/bin/kind

5. Cache Images

   podman pull docker.io/library/hello-world:latest
   podman pull docker.io/library/httpd:2.4
   podman pull docker.io/library/ubuntu:22.04
   podman pull docker.io/golang:1.23
   podman pull quay.io/ifont/pacman-nodejs-app:latest
   podman pull docker.io/library/mongo:5.0
   sudo podman pull docker.io/kindest/node:v1.31.2@sha256:18fbefc20a7113353c7b75b5c869d7145a6abd6269154825872dc59c1329912e
   sudo podman pull quay.io/ifont/pacman-nodejs-app:latest
   sudo podman pull docker.io/library/mongo:5.0