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AlexsJones / kube-microcosm

An example of a kubernetes cluster appropriate for a startup company
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cert-manager devops falco gitops kube-microcosm kubernetes kubernetes-cluster linkerd2 slack

readme

New example here -> https://github.com/cloud-native-skunkworks/gitops-kubernetes-bootstrap

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kube-microcosm

A cluster that represents how a small start-up might be successful using a single Kubernetes cluster.

This is an opinionated illustration of a Kubernetes cluster and out-of-the-box applications.

Showcase

Showcasing the following projects within this cluster...

NAME                NAMESPACE       REVISION    UPDATED                                 STATUS      CHART                           APP VERSION
argo                argocd          1           2021-04-07 12:25:40.144062 +0100 BST    deployed    argo-cd-2.17.5                  1.8.4
cert-manager        cert-manager    1           2021-04-07 12:22:57.96906 +0100 BST     deployed    cert-manager-v1.0.2             v1.0.2
falco               kube-system     1           2021-04-07 13:45:35.358244 +0100 BST    deployed    falco-1.7.10                    0.27.0
gatekeeper          default         1           2021-04-07 12:25:56.549697 +0100 BST    deployed    gatekeeper-3.3.0                v3.3.0
jaeger              monitoring      1           2021-04-07 12:22:01.505929 +0100 BST    deployed    jaeger-operator-2.19.1          1.21.2
k8ssandra-cluster   cassandra       1           2021-04-07 12:22:23.006849 +0100 BST    deployed    k8ssandra-1.0.0
linkerd2            default         1           2021-04-07 12:10:30.58336 +0100 BST     deployed    linkerd2-2.10.0                 stable-2.10.0
longhorn            longhorn-system 1           2021-04-07 12:22:09.504869 +0100 BST    deployed    longhorn-1.1.0                  v1.1.0
nginx               ingress-nginx   1           2021-04-07 12:23:04.762961 +0100 BST    deployed    ingress-nginx-3.3.0             0.35.0
prom                monitoring      1           2021-04-07 12:21:26.83435 +0100 BST     deployed    kube-prometheus-stack-14.5.0    0.46.0
sidekick            kube-system     1           2021-04-07 13:45:26.954836 +0100 BST    deployed    falcosidekick-0.2.9             2.21.0

Requirements

Installation

  1. Ensure an existing Kubernetes cluster config is active. I like using civo.
civo kubernetes create interesting-times-gang -n3 --wait --remove-applications=traefik -s g3.k3s.large tycho --region NYC1
civo kubernetes config interesting-times-gang -s
  1. Run the following ( With your variables):
// Example Slack webhook within a Slack App
SLACK_FALCO_WEBHOOK_URL="<YOUR SLACK WEBHOOK>" \
make install

or without...

make install