Add software-stories chart

Related to swh/infra/sysadm-environment#4805

software-stories/.helmignore

+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

software-stories/Chart.yaml

+apiVersion: v2
+name: software-stories
+description: A Helm chart for Software Heritage Stories Application
+icon: https://docs.softwareheritage.org/_static/software-heritage-logo-title.svg
+
+type: application
+
+version: 0.1.0
+
+appVersion: "1.16.0"

software-stories/templates/deployment.yaml

+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  namespace: {{ .Values.namespace }}
+  name: {{ .Values.name }}
+  labels:
+    app: {{ .Values.name }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app: {{ .Values.name }}
+  revisionHistoryLimit: 2
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxSurge: 1
+  template:
+    metadata:
+      labels:
+        app: {{ .Values.name }}
+    spec:
+      containers:
+        - name: {{ .Values.name }}
+          image: {{ .Values.containerImage }}:{{ .Values.containerVersion }}
+          ports:
+            - containerPort: 3000
+          livenessProbe:
+            httpGet:
+              path: /
+              port: 3000
+            initialDelaySeconds: 10
+            periodSeconds: 15
+            timeoutSeconds: 5
+            failureThreshold: 30
+          readinessProbe:
+            httpGet:
+              path: /
+              port: 3000
+            initialDelaySeconds: 2
+            periodSeconds: 5

software-stories/templates/ingress.yaml

+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  namespace: {{ .Values.namespace }}
+  name: software-stories-ingress
+#  annotations:
+#    nginx.ingress.kubernetes.io/rewrite-target: /
+spec:
+  {{- if .Values.ingressClassName }}
+  ingressClassName: {{ .Values.ingressClassName }}
+  {{- end }}
+  rules:
+  - http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: softwarestories
+            port:
+              number: 3000
+    #{{- if .Values.host }}
+    host: {{ .Values.host }}
+    #{{- end }}

software-stories/templates/service.yaml

+apiVersion: v1
+kind: Service
+metadata:
+  namespace: {{ .Values.namespace }}
+  name: {{ .Values.name }}
+spec:
+  type: ClusterIP
+  selector:
+    app: {{ .Values.name }}
+  ports:
+    - port: 3000
+      targetPort: 3000

software-stories/values.yaml

+replicaCount: 2
+name: softwarestories
+containerImage: container-registry.softwareheritage.org/swh/infra/swh-apps/software-stories
+containerVersion: '20230314.1'
+namespace: softwarestories
+host: software-stories.staging.swh.network
+# ingressClassName: nginx