GitOps scaffold: Argo CD bootstrap, app-of-apps, example workload

bootstrap/argocd-namespace.yaml

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+apiVersion: v1
+kind: Namespace
+metadata:
+  name: argocd

bootstrap/repo-forgejo.yaml

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+# Registers the Forgejo repo with Argo CD.
+# For SSH access, create a secret with the deploy key instead:
+#   kubectl -n argocd create secret generic forgejo-repo-creds \
+#     --from-file=sshPrivateKey=/path/to/deploy_key
+apiVersion: v1
+kind: Secret
+metadata:
+  name: repo-forgejo-gitops
+  namespace: argocd
+  labels:
+    argocd.argoproj.io/secret-type: repository
+stringData:
+  type: git
+  url: http://localhost:3000/forgejoadmin/gitops-apps.git
+  # username/password or sshPrivateKey go here when the repo is private

bootstrap/root-app.yaml

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+# App-of-Apps: applying this one Application redeploys every workload
+# defined under apps/ onto the target cluster.
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: root-app
+  namespace: argocd
+spec:
+  project: default
+  source:
+    repoURL: http://localhost:3000/forgejoadmin/gitops-apps.git
+    targetRevision: main
+    path: apps
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: argocd
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - CreateNamespace=true