Add errorlab app

argocd-apps/errorlab.yaml

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+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: errorlab
+  namespace: argocd
+spec:
+  project: my-apps
+  source:
+    repoURL: ssh://git@gitea-ssh.dev-tools.svc.cluster.local:2222/dvirlabs/my-apps.git
+    targetRevision: HEAD
+    path: charts/calink-chart
+    helm:
+      valueFiles:
+        - ../../manifests/errorlab/values.yaml
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: my-apps
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true 

charts/errorlab-chart/Chart.yaml

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+apiVersion: v2
+name: errorlab
+description: Custom public error and landing pages for the home lab
+type: application
+version: 0.1.0
+appVersion: "1.0.0"
+keywords:
+  - errorlab
+  - '404'
+  - homelab
+  - devops
+home: ""
+sources: []
+maintainers:
+  - name: dvirl

charts/errorlab-chart/templates/_helpers.tpl

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+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "errorlab.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Create a default fully qualified app name.
+*/}}
+{{- define "errorlab.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := default .Chart.Name .Values.nameOverride }}
+{{- if contains $name .Release.Name }}
+{{- .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Create chart label (name + version).
+*/}}
+{{- define "errorlab.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels applied to every resource.
+*/}}
+{{- define "errorlab.labels" -}}
+helm.sh/chart: {{ include "errorlab.chart" . }}
+{{ include "errorlab.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels (used in spec.selector.matchLabels and pod template labels).
+*/}}
+{{- define "errorlab.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "errorlab.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}

charts/errorlab-chart/templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "errorlab.fullname" . }}
+  labels:
+    {{- include "errorlab.labels" . | nindent 4 }}
+spec:
+  {{- if not .Values.autoscaling.enabled }}
+  replicas: {{ .Values.replicaCount }}
+  {{- end }}
+  selector:
+    matchLabels:
+      {{- include "errorlab.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      annotations:
+        {{- with .Values.podAnnotations }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
+      labels:
+        {{- include "errorlab.selectorLabels" . | nindent 8 }}
+        {{- with .Values.podLabels }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: http
+              containerPort: 80
+              protocol: TCP
+          livenessProbe:
+            {{- toYaml .Values.livenessProbe | nindent 12 }}
+          readinessProbe:
+            {{- toYaml .Values.readinessProbe | nindent 12 }}
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}

charts/errorlab-chart/templates/hpa.yaml

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+{{- if .Values.autoscaling.enabled }}
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ include "errorlab.fullname" . }}
+  labels:
+    {{- include "errorlab.labels" . | nindent 4 }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "errorlab.fullname" . }}
+  minReplicas: {{ .Values.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
+  metrics:
+    - type: Resource
+      resource:
+        name: cpu
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
+{{- end }}

charts/errorlab-chart/templates/ingress.yaml

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+{{- if .Values.ingress.enabled -}}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: {{ include "errorlab.fullname" . }}
+  labels:
+    {{- include "errorlab.labels" . | nindent 4 }}
+  {{- with .Values.ingress.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  {{- if .Values.ingress.className }}
+  ingressClassName: {{ .Values.ingress.className }}
+  {{- end }}
+  {{- if .Values.ingress.tls }}
+  tls:
+    {{- toYaml .Values.ingress.tls | nindent 4 }}
+  {{- end }}
+  rules:
+    {{- range .Values.ingress.hosts }}
+    - host: {{ .host | quote }}
+      http:
+        paths:
+          {{- range .paths }}
+          - path: {{ .path }}
+            pathType: {{ .pathType }}
+            backend:
+              service:
+                name: {{ include "errorlab.fullname" $ }}
+                port:
+                  name: http
+          {{- end }}
+    {{- end }}
+{{- end }}

charts/errorlab-chart/templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "errorlab.fullname" . }}
+  labels:
+    {{- include "errorlab.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    {{- include "errorlab.selectorLabels" . | nindent 4 }}

charts/errorlab-chart/values.yaml

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+# ── Replica count ─────────────────────────────────────────────────────────────
+replicaCount: 1
+
+# ── Image ─────────────────────────────────────────────────────────────────────
+image:
+  repository: errorlab   # override with your registry, e.g. ghcr.io/dvirl/errorlab
+  tag: latest
+  pullPolicy: IfNotPresent
+
+imagePullSecrets: []
+
+# ── Service ───────────────────────────────────────────────────────────────────
+service:
+  type: ClusterIP
+  port: 80
+
+# ── Ingress ───────────────────────────────────────────────────────────────────
+ingress:
+  enabled: true
+  className: nginx         # set to your ingress class (e.g. "nginx", "traefik")
+  annotations: {}
+    # cert-manager.io/cluster-issuer: letsencrypt-prod
+    # nginx.ingress.kubernetes.io/force-ssl-redirect: "true"
+  hosts:
+    - host: errorlab.lab   # replace with your actual hostname
+      paths:
+        - path: /
+          pathType: Prefix
+  tls: []
+  # - secretName: errorlab-tls
+  #   hosts:
+  #     - errorlab.lab
+
+# ── Resources ─────────────────────────────────────────────────────────────────
+resources:
+  requests:
+    cpu: 10m
+    memory: 32Mi
+  limits:
+    cpu: 100m
+    memory: 64Mi
+
+# ── Pod settings ──────────────────────────────────────────────────────────────
+podAnnotations: {}
+podLabels: {}
+
+podSecurityContext:
+  runAsNonRoot: true
+  runAsUser: 101          # nginx user in nginx:alpine
+  fsGroup: 101
+
+securityContext:
+  allowPrivilegeEscalation: false
+  readOnlyRootFilesystem: false   # nginx needs to write to /var/cache/nginx
+  capabilities:
+    drop:
+      - ALL
+
+# ── Probes ────────────────────────────────────────────────────────────────────
+livenessProbe:
+  httpGet:
+    path: /
+    port: http
+  initialDelaySeconds: 5
+  periodSeconds: 20
+
+readinessProbe:
+  httpGet:
+    path: /
+    port: http
+  initialDelaySeconds: 3
+  periodSeconds: 10
+
+# ── Autoscaling (disabled by default for a static site) ───────────────────────
+autoscaling:
+  enabled: false
+  minReplicas: 1
+  maxReplicas: 3
+  targetCPUUtilizationPercentage: 80
+
+# ── Misc ──────────────────────────────────────────────────────────────────────
+nameOverride: ""
+fullnameOverride: ""
+
+nodeSelector: {}
+tolerations: []
+affinity: {}

manifests/errorlab/values.yaml

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+# ── Replica count ─────────────────────────────────────────────────────────────
+replicaCount: 1
+
+# ── Image ─────────────────────────────────────────────────────────────────────
+image:
+  repository: errorlab   # override with your registry, e.g. ghcr.io/dvirl/errorlab
+  tag: latest
+  pullPolicy: IfNotPresent
+
+imagePullSecrets: []
+
+# ── Service ───────────────────────────────────────────────────────────────────
+service:
+  type: ClusterIP
+  port: 80
+
+# ── Ingress ───────────────────────────────────────────────────────────────────
+ingress:
+  enabled: true
+  className: nginx         # set to your ingress class (e.g. "nginx", "traefik")
+  annotations: {}
+    # cert-manager.io/cluster-issuer: letsencrypt-prod
+    # nginx.ingress.kubernetes.io/force-ssl-redirect: "true"
+  hosts:
+    - host: errorlab.lab   # replace with your actual hostname
+      paths:
+        - path: /
+          pathType: Prefix
+  tls: []
+  # - secretName: errorlab-tls
+  #   hosts:
+  #     - errorlab.lab
+
+# ── Resources ─────────────────────────────────────────────────────────────────
+resources:
+  requests:
+    cpu: 10m
+    memory: 32Mi
+  limits:
+    cpu: 100m
+    memory: 64Mi
+
+# ── Pod settings ──────────────────────────────────────────────────────────────
+podAnnotations: {}
+podLabels: {}
+
+podSecurityContext:
+  runAsNonRoot: true
+  runAsUser: 101          # nginx user in nginx:alpine
+  fsGroup: 101
+
+securityContext:
+  allowPrivilegeEscalation: false
+  readOnlyRootFilesystem: false   # nginx needs to write to /var/cache/nginx
+  capabilities:
+    drop:
+      - ALL
+
+# ── Probes ────────────────────────────────────────────────────────────────────
+livenessProbe:
+  httpGet:
+    path: /
+    port: http
+  initialDelaySeconds: 5
+  periodSeconds: 20
+
+readinessProbe:
+  httpGet:
+    path: /
+    port: http
+  initialDelaySeconds: 3
+  periodSeconds: 10
+
+# ── Autoscaling (disabled by default for a static site) ───────────────────────
+autoscaling:
+  enabled: false
+  minReplicas: 1
+  maxReplicas: 3
+  targetCPUUtilizationPercentage: 80
+
+# ── Misc ──────────────────────────────────────────────────────────────────────
+nameOverride: ""
+fullnameOverride: ""
+
+nodeSelector: {}
+tolerations: []
+affinity: {}