Add Helm chart and Kubernetes deployment configuration for Redmine MCP

helm/templates/_helpers.tpl

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+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "redmine-mcp.name" -}}
+{{- .Chart.Name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "redmine-mcp.labels" -}}
+helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version }}
+app.kubernetes.io/name: {{ include "redmine-mcp.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 "redmine-mcp.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "redmine-mcp.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Name of the secret containing Redmine credentials
+*/}}
+{{- define "redmine-mcp.secretName" -}}
+{{- if .Values.redmine.existingSecret -}}
+{{ .Values.redmine.existingSecret }}
+{{- else -}}
+{{ include "redmine-mcp.name" . }}-credentials
+{{- end }}
+{{- end }}

helm/templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "redmine-mcp.name" . }}
+  labels:
+    {{- include "redmine-mcp.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "redmine-mcp.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "redmine-mcp.labels" . | nindent 8 }}
+    spec:
+      containers:
+        - name: {{ .Chart.Name }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: http
+              containerPort: 8000
+              protocol: TCP
+          envFrom:
+            - secretRef:
+                name: {{ include "redmine-mcp.secretName" . }}
+          env:
+            - name: MCP_TRANSPORT
+              value: http
+            - name: MCP_HOST
+              value: "0.0.0.0"
+            - name: MCP_PORT
+              value: "8000"
+          livenessProbe:
+            tcpSocket:
+              port: http
+            initialDelaySeconds: 5
+            periodSeconds: 10
+          readinessProbe:
+            tcpSocket:
+              port: http
+            initialDelaySeconds: 3
+            periodSeconds: 5
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}

helm/templates/secret.yaml

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+{{- if not .Values.redmine.existingSecret }}
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "redmine-mcp.name" . }}-credentials
+  labels:
+    {{- include "redmine-mcp.labels" . | nindent 4 }}
+type: Opaque
+stringData:
+  REDMINE_URL: {{ .Values.redmine.url | required "redmine.url is required" | quote }}
+  REDMINE_API_KEY: {{ .Values.redmine.apiKey | required "redmine.apiKey is required" | quote }}
+{{- end }}

helm/templates/service.yaml

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