Add Kubernetes and Argo CD deployment manifests

README.md

@@ -46,3 +46,31 @@ packages.
 ```sh
 docker build --build-arg COMMIT_ID="$(git rev-parse HEAD)" -t hiyv-nginx:local .
 ```
+
+## Deploy with Argo CD
+
+The Kubernetes manifests in `k8s/` deploy two HIYV replicas and expose them
+through a cluster-internal Service. They use the public Gitea image directly;
+no `imagePullSecrets` are required.
+
+The repository URL is deliberately not hard-coded. Set `HIYV_GIT_REPO` to the
+public Git repository that contains these manifests, make sure the Argo CD CLI
+is authenticated, and run:
+
+```sh
+export HIYV_GIT_REPO='<public Git repository URL>'
+./scripts/create-argocd-application.sh
+```
+
+If `HIYV_GIT_REPO` is unset, the script explains what is missing and exits
+without changing Argo CD. When it is set, the script creates or updates the
+`hiyv` Application with automated sync, pruning, self-healing, and namespace
+creation enabled.
+
+Optional configuration:
+
+- `HIYV_GIT_REVISION` (default: `main`)
+- `HIYV_MANIFEST_PATH` (default: `k8s`)
+- `HIYV_ARGOCD_APP_NAME` (default: `hiyv`)
+- `HIYV_DESTINATION_SERVER` (default: in-cluster Kubernetes API)
+- `HIYV_DESTINATION_NAMESPACE` (default: `hiyv`)

k8s/deployment.yaml

@@ -0,0 +1,44 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: hiyv
+  namespace: hiyv
+  labels:
+    app.kubernetes.io/name: hiyv
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: hiyv
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: hiyv
+    spec:
+      containers:
+        - name: hiyv
+          image: git.mancheff.com/hiyv-demo/hiyv-nginx:1.0.3
+          imagePullPolicy: IfNotPresent
+          ports:
+            - name: http
+              containerPort: 80
+              protocol: TCP
+          readinessProbe:
+            httpGet:
+              path: /healthz
+              port: http
+            initialDelaySeconds: 2
+            periodSeconds: 10
+          livenessProbe:
+            httpGet:
+              path: /healthz
+              port: http
+            initialDelaySeconds: 5
+            periodSeconds: 30
+          resources:
+            requests:
+              cpu: 25m
+              memory: 32Mi
+            limits:
+              cpu: 250m
+              memory: 128Mi

k8s/kustomization.yaml

@@ -0,0 +1,6 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - namespace.yaml
+  - deployment.yaml
+  - service.yaml

k8s/namespace.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: hiyv
+  labels:
+    app.kubernetes.io/name: hiyv

k8s/service.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: hiyv
+  namespace: hiyv
+  labels:
+    app.kubernetes.io/name: hiyv
+spec:
+  type: ClusterIP
+  selector:
+    app.kubernetes.io/name: hiyv
+  ports:
+    - name: http
+      port: 80
+      targetPort: http
+      protocol: TCP

scripts/create-argocd-application.sh

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+if [[ -z "${HIYV_GIT_REPO:-}" ]]; then
+  cat <<'EOF'
+HIYV_GIT_REPO is not set, so no Argo CD Application was created.
+
+Set it to the public Git repository containing the Kubernetes manifests, then
+run this script again. For example:
+
+  export HIYV_GIT_REPO='<public Git repository URL>'
+  ./scripts/create-argocd-application.sh
+EOF
+  exit 0
+fi
+
+if ! command -v argocd >/dev/null 2>&1; then
+  echo "The argocd CLI is required and must be available in PATH." >&2
+  exit 1
+fi
+
+app_name="${HIYV_ARGOCD_APP_NAME:-hiyv}"
+revision="${HIYV_GIT_REVISION:-main}"
+manifest_path="${HIYV_MANIFEST_PATH:-k8s}"
+destination_server="${HIYV_DESTINATION_SERVER:-https://kubernetes.default.svc}"
+destination_namespace="${HIYV_DESTINATION_NAMESPACE:-hiyv}"
+
+argocd app create "${app_name}" \
+  --upsert \
+  --repo "${HIYV_GIT_REPO}" \
+  --revision "${revision}" \
+  --path "${manifest_path}" \
+  --dest-server "${destination_server}" \
+  --dest-namespace "${destination_namespace}" \
+  --sync-policy automated \
+  --auto-prune \
+  --self-heal \
+  --sync-option CreateNamespace=true
+
+echo "Argo CD Application '${app_name}' now tracks ${HIYV_GIT_REPO}@${revision}:${manifest_path}."