feat: add Dockerfile, Helm chart, Gitea Actions workflow

web/charts/factorio-dashboard/Chart.yaml

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+apiVersion: v2
+name: factorio-dashboard
+description: Factorio Signal Exporter — Next.js dashboard with TimescaleDB
+type: application
+version: 0.1.0
+appVersion: "latest"

web/charts/factorio-dashboard/templates/_helpers.tpl

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+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "factorio-dashboard.name" -}}
+{{- .Chart.Name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Create a fully qualified app name.
+*/}}
+{{- define "factorio-dashboard.fullname" -}}
+{{- printf "%s" (include "factorio-dashboard.name" .) | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels.
+*/}}
+{{- define "factorio-dashboard.labels" -}}
+helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version }}
+app.kubernetes.io/name: {{ include "factorio-dashboard.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels.
+*/}}
+{{- define "factorio-dashboard.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "factorio-dashboard.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Name of the secret that holds API_TOKEN and DATABASE_URL.
+*/}}
+{{- define "factorio-dashboard.secretName" -}}
+{{- if .Values.app.existingSecret }}
+{{- .Values.app.existingSecret }}
+{{- else }}
+{{- include "factorio-dashboard.fullname" . }}-secret
+{{- end }}
+{{- end }}
+
+{{/*
+Construct DATABASE_URL from db values.
+*/}}
+{{- define "factorio-dashboard.databaseUrl" -}}
+{{- printf "postgresql://%s:%s@%s-db:%d/%s" .Values.db.user .Values.db.password (include "factorio-dashboard.fullname" .) (int .Values.db.port) .Values.db.name }}
+{{- end }}

web/charts/factorio-dashboard/templates/db-service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "factorio-dashboard.fullname" . }}-db
+  labels:
+    {{- include "factorio-dashboard.labels" . | nindent 4 }}
+    app.kubernetes.io/component: db
+spec:
+  clusterIP: None
+  selector:
+    {{- include "factorio-dashboard.selectorLabels" . | nindent 4 }}
+    app.kubernetes.io/component: db
+  ports:
+    - port: {{ .Values.db.port }}
+      targetPort: {{ .Values.db.port }}

web/charts/factorio-dashboard/templates/db-statefulset.yaml

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+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: {{ include "factorio-dashboard.fullname" . }}-db
+  labels:
+    {{- include "factorio-dashboard.labels" . | nindent 4 }}
+    app.kubernetes.io/component: db
+spec:
+  serviceName: {{ include "factorio-dashboard.fullname" . }}-db
+  replicas: 1
+  selector:
+    matchLabels:
+      {{- include "factorio-dashboard.selectorLabels" . | nindent 6 }}
+      app.kubernetes.io/component: db
+  template:
+    metadata:
+      labels:
+        {{- include "factorio-dashboard.selectorLabels" . | nindent 8 }}
+        app.kubernetes.io/component: db
+    spec:
+      containers:
+        - name: timescaledb
+          image: timescale/timescaledb:latest-pg16
+          ports:
+            - containerPort: {{ .Values.db.port }}
+          env:
+            - name: POSTGRES_USER
+              value: {{ .Values.db.user | quote }}
+            - name: POSTGRES_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: {{ include "factorio-dashboard.secretName" . }}
+                  key: DATABASE_URL
+                  optional: false
+            - name: POSTGRES_PASSWORD
+              value: {{ .Values.db.password | quote }}
+            - name: POSTGRES_DB
+              value: {{ .Values.db.name | quote }}
+          volumeMounts:
+            - name: db-data
+              mountPath: /var/lib/postgresql/data
+          readinessProbe:
+            exec:
+              command: ["pg_isready", "-U", {{ .Values.db.user | quote }}]
+            initialDelaySeconds: 10
+            periodSeconds: 5
+  volumeClaimTemplates:
+    - metadata:
+        name: db-data
+      spec:
+        accessModes: ["ReadWriteOnce"]
+        {{- if .Values.db.storageClassName }}
+        storageClassName: {{ .Values.db.storageClassName | quote }}
+        {{- end }}
+        resources:
+          requests:
+            storage: {{ .Values.db.storage }}

web/charts/factorio-dashboard/templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "factorio-dashboard.fullname" . }}
+  labels:
+    {{- include "factorio-dashboard.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.app.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "factorio-dashboard.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "factorio-dashboard.selectorLabels" . | nindent 8 }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      initContainers:
+        - name: migrate
+          image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          command: ["npm", "run", "migrate"]
+          env:
+            - name: DATABASE_URL
+              valueFrom:
+                secretKeyRef:
+                  name: {{ include "factorio-dashboard.secretName" . }}
+                  key: DATABASE_URL
+      containers:
+        - name: app
+          image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - containerPort: 3000
+          env:
+            - name: API_TOKEN
+              valueFrom:
+                secretKeyRef:
+                  name: {{ include "factorio-dashboard.secretName" . }}
+                  key: API_TOKEN
+            - name: DATABASE_URL
+              valueFrom:
+                secretKeyRef:
+                  name: {{ include "factorio-dashboard.secretName" . }}
+                  key: DATABASE_URL
+          readinessProbe:
+            httpGet:
+              path: /
+              port: 3000
+            initialDelaySeconds: 5
+            periodSeconds: 10
+          {{- with .Values.resources }}
+          resources:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}

web/charts/factorio-dashboard/templates/ingress.yaml

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+{{- if .Values.ingress.enabled }}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: {{ include "factorio-dashboard.fullname" . }}
+  labels:
+    {{- include "factorio-dashboard.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:
+    - hosts:
+        - {{ .Values.ingress.host | quote }}
+      secretName: {{ .Values.ingress.tlsSecretName | default (printf "%s-tls" (include "factorio-dashboard.fullname" .)) | quote }}
+  {{- end }}
+  rules:
+    - host: {{ .Values.ingress.host | quote }}
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: {{ include "factorio-dashboard.fullname" . }}
+                port:
+                  number: {{ .Values.service.port }}
+{{- end }}

web/charts/factorio-dashboard/templates/secret.yaml

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+{{- if not .Values.app.existingSecret }}
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "factorio-dashboard.fullname" . }}-secret
+  labels:
+    {{- include "factorio-dashboard.labels" . | nindent 4 }}
+type: Opaque
+stringData:
+  API_TOKEN: {{ .Values.app.apiToken | required "app.apiToken is required" | quote }}
+  DATABASE_URL: {{ include "factorio-dashboard.databaseUrl" . | quote }}
+{{- end }}

web/charts/factorio-dashboard/templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "factorio-dashboard.fullname" . }}
+  labels:
+    {{- include "factorio-dashboard.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  selector:
+    {{- include "factorio-dashboard.selectorLabels" . | nindent 4 }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: 3000

web/charts/factorio-dashboard/values.yaml

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+image:
+  repository: git.sebse.de/sebse/factorio-signal-exporter
+  tag: latest
+  pullPolicy: IfNotPresent
+
+imagePullSecrets: []
+
+app:
+  replicaCount: 1
+  ## API token for ingest POST and dashboard GET ?token=
+  apiToken: ""
+  ## If set, use this existing K8s secret instead of creating one.
+  ## Secret must contain keys: API_TOKEN, DATABASE_URL
+  existingSecret: ""
+
+db:
+  ## TimescaleDB credentials — used to build DATABASE_URL and configure the StatefulSet
+  user: factorio
+  password: factorio
+  name: factorio
+  port: 5432
+  storage: 10Gi
+  storageClassName: ""  # leave empty for cluster default
+
+service:
+  type: ClusterIP
+  port: 3000
+
+ingress:
+  enabled: false
+  className: ""
+  host: factorio.example.com
+  tls: false
+  tlsSecretName: ""
+  annotations: {}
+
+resources: {}
+
+nodeSelector: {}
+tolerations: []
+affinity: {}