Initial commit

.gitignore

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+*.pdf

kubernetes 101/Makefile

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+pdf:
+	marp --pdf --pdf-notes .
+
+present:
+	marp -w -s --bespoke.progress .
+
+notes:
+	marp --notes .

kubernetes 101/index.md

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+---
+title: Kubernetes 101
+description: An introduction
+author: Ricardo Band
+keywords: kubernetes,container,basics
+---
+<!-- theme: default -->
+<!-- class: invert -->
+
+![bg left:40% 80%](./k8s.svg)
+
+# Kubernetes 101
+
+## An introduction
+
+---
+
+# Stuff you should already know
+
+- Containers
+- Container engines
+  - docker, podman :heart:
+- Container runtime interfaces (CRI)
+  - containerd, CRI-O, Docker Engine
+- Bonus points for:
+  - [docker|podman]-compose
+
+---
+
+# Agenda
+
+- Workloads aka your app
+- Environment
+- Containers
+- Pods
+- Replication Controllers
+- Services
+- Volumes
+- Namespaces
+
+---
+
+# Advanced topics
+
+- Deployments
+- ReplicaSets (the new Replication Controller)
+- StatefulSets
+- Ingress Controller
+- Cluster DNS
+- Container Storage Interface (CSI)
+- Container Network Interface (CNI)
+  - Network Policies
+- Custom Resources
+
+<!-- It's ok if you zone out somewhere around here. -->
+
+---
+
+![bg right 50%](./workload.drawio.svg)
+
+# Workloads and the environment
+
+Example: Simple PHP app
+
+- index.php
+- PHP runtime
+- Webserver
+- OS
+
+---
+
+# Containers
+
+- Provides an isolated environment
+  - Linux namespace and cgroups
+- Needs to be managed
+- Networking
+  - *I smell another talk around here*
+- Shared filesystems
+- Scheduling
+- Load balancing
+- Distribution
+- Persistant storage
+
+---
+
+# Containers - Hands on
+
+```shell
+$ podman run -it --rm docker.io/debian:stable
+
+$ systemctl --user status user.slice
+
+$ podman-compose up
+```
+
+<!--
+- Fooooooo
+- also bar
+  - and baz!
+-->
+
+---
+
+# Sources
+
+- [Kubernetes Children’s Guide](https://www.cncf.io/phippy/the-childrens-illustrated-guide-to-kubernetes/)
+
+---
+
+![bg opacity blur](./avatar.png)
+
+```
+
+--
+
+by Ricardo Band
+
+mailto:email@ricardo.band
+ https://www.ricardo.band/
+```