brew install kustomize
kustomize version

• Open https://github.com/gitops-workshop/my-app-deployment
• Click “Fork”.

In your terminal:

export username=... ;# your Github username in lowercase
git clone [email protected]:${username}/my-app-deployment.git
cd my-app-deployment

kustomize build base

Note: The above URL should start with "git@" and you'll need to enter your username.

mkdir -p overlays/dev

cat > overlays/dev/kustomization.yaml <<EOL
apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
resources:
  - ../../base
EOL

kustomize build overlays/dev
git add . && git commit -am "add dev overlay"
git push

cd overlays/dev
kustomize edit set nameprefix ${username}-
git diff
kustomize build
git commit -am "set name prefix"
git push

• Open https://argo-cd-kubecon.apps.argoproj.io/
• Click "Login Via Github"
• Click "New application"

• Click "Sync".
• Click "Synchronize" in the Sliding panel.

kustomize edit set image gitopsworkshop/my-app:v2
git diff
kustomize build

git commit -am "upgrade to version 2"
git push

• Detect git changes: "Refresh"
• Preview Differences: "App Diff"
• Deploy New Version: "Sync"

1. Open app
2. Find the red heart
3. Clik on the resource and check each tab

• Click "History And Rollback"
• Click "..." button in the last row
• Click "Rollback"
• Click "Ok" in the modal panel

git revert $(git rev-parse HEAD)
git push