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CeerDecyCeerDecy
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Merge pull request #25 from CeerDecy/feature/migration
feat: database migration
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‎.helm/mcp-center/Chart.lock‎

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dependencies:
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- name: postgresql
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repository: https://charts.bitnami.com/bitnami
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version: 16.7.27
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digest: sha256:e8b999a3aaad6328a13d0c666207650897b69c61367c947d363b2acbe0ea1b42
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generated: "2025-09-05T16:07:59.376939+08:00"

‎.helm/mcp-center/Chart.yaml‎

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# follow Semantic Versioning. They should reflect the version the application is using.
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# It is recommended to use it with quotes.
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appVersion: "1.16.0"
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dependencies:
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- name: postgresql
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version: "17.x.x"
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repository: "https://charts.bitnami.com/bitnami"
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condition: postgresql.enabled

‎.helm/mcp-center/DEPLOYMENT.md‎

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# MCP Center Helm Chart Deployment Guide
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## Deployment Options
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### Option 1: Using Built-in PostgreSQL (Recommended for Development/Testing)
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```bash
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# Deploy with default configuration (includes PostgreSQL)
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helm install mcp-center . --create-namespace --namespace mcp-center
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```
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### Option 2: Using External PostgreSQL (Recommended for Production)
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1. Copy the example configuration file:
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```bash
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cp values-external-postgres.yaml my-values.yaml
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```
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2. Edit the configuration file and set your PostgreSQL connection information:
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```yaml
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postgresql:
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enabled: false
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externalPostgresql:
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host: "your-postgres-host.example.com"
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port: 5432
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username: "mcpcenter"
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password: "your-secure-password"
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database: "mcpcenter"
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```
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3. Deploy with custom configuration:
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```bash
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helm install mcp-center . -f my-values.yaml --create-namespace --namespace mcp-center
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```
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## Configuration
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### PostgreSQL Configuration
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- `postgresql.enabled`: Whether to enable built-in PostgreSQL
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- `true`: Use built-in PostgreSQL (requires storage class support)
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- `false`: Use external PostgreSQL
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### External PostgreSQL Configuration
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When `postgresql.enabled: false`, configure the following parameters:
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- `externalPostgresql.host`: PostgreSQL server address
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- `externalPostgresql.port`: PostgreSQL port (default 5432)
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- `externalPostgresql.username`: Database username
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- `externalPostgresql.password`: Database password (stored securely in Kubernetes Secret)
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- `externalPostgresql.database`: Database name
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### MCP Admin Token Configuration
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- `mcpAdminToken`: 32-character random string for MCP admin authentication
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- Default: Auto-generated 32-character random string
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- Custom: You can set your own token in values.yaml
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## Environment Variables
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The application will automatically receive the following environment variables:
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- `POSTGRES_HOST`: PostgreSQL host address
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- `POSTGRES_PORT`: PostgreSQL port
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- `POSTGRES_USERNAME`: Database username
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- `POSTGRES_PASSWORD`: Database password
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- `POSTGRES_DATABASE`: Database name
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- `MCP_ADMIN_TOKEN`: 32-character random string for admin authentication
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## Troubleshooting
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### Built-in PostgreSQL Cannot Start
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- Check if the cluster has available storage classes
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- Check if there is sufficient storage space
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- View Pod logs: `kubectl logs -n mcp-center <pod-name>`
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### External PostgreSQL Connection Failed
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- Check network connectivity
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- Verify if PostgreSQL service is accessible
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- Check if username, password, and database name are correct

‎.helm/mcp-center/charts/postgresql-16.7.27.tgz‎

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‎.helm/mcp-center/templates/NOTES.txt‎

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MCP Center has been successfully deployed!
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To get your MCP Admin Token, run:
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kubectl get secret --namespace {{ .Release.Namespace }} {{ include "mcp-center.fullname" . }}-secret -o jsonpath="{.data.mcp-admin-token}" | base64 --decode && echo
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{{- if not .Values.postgresql.enabled }}
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To get your PostgreSQL password, run:
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kubectl get secret --namespace {{ .Release.Namespace }} {{ include "mcp-center.fullname" . }}-secret -o jsonpath="{.data.postgres-password}" | base64 --decode && echo
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{{- end }}
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To check the application status, run:
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kubectl get pods --namespace {{ .Release.Namespace }} -l app.kubernetes.io/name=mcp-center
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To view the application logs, run:
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kubectl logs --namespace {{ .Release.Namespace }} -l app.kubernetes.io/name=mcp-center
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{{- if .Values.ingress.enabled }}
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Access URLs:
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{{- range $host := .Values.ingress.hosts }}

‎.helm/mcp-center/templates/_helpers.tpl‎

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{{- default "default" .Values.serviceAccount.name }}
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{{- end }}
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{{- end }}
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{{/*
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Create the name of the PostgreSQL service
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*/}}
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{{- define "mcp-center.postgresql.fullname" -}}
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{{- if .Values.postgresql.fullnameOverride }}
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{{- .Values.postgresql.fullnameOverride | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- $name := default "postgresql" .Values.postgresql.nameOverride }}
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{{- if contains $name .Release.Name }}
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{{- .Release.Name | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{- end }}
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{{- end }}

‎.helm/mcp-center/templates/configmap.yaml‎

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‎.helm/mcp-center/templates/deployment.yaml‎

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- name: http
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containerPort: {{ .Values.service.port }}
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protocol: TCP
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env:
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{{- if .Values.postgresql.enabled }}
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- name: POSTGRES_HOST
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value: {{ include "mcp-center.postgresql.fullname" . }}
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- name: POSTGRES_PORT
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value: "5432"
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- name: POSTGRES_USERNAME
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value: {{ .Values.postgresql.auth.username }}
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- name: POSTGRES_PASSWORD
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valueFrom:
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secretKeyRef:
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name: {{ include "mcp-center.postgresql.fullname" . }}
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key: postgresql-password
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- name: POSTGRES_DATABASE
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value: {{ .Values.postgresql.auth.database }}
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{{- else }}
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- name: POSTGRES_HOST
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value: {{ .Values.externalPostgresql.host }}
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- name: POSTGRES_PORT
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value: {{ .Values.externalPostgresql.port | quote }}
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- name: POSTGRES_USERNAME
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value: {{ .Values.externalPostgresql.username }}
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- name: POSTGRES_PASSWORD
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valueFrom:
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secretKeyRef:
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name: {{ include "mcp-center.fullname" . }}-secret
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key: postgres-password
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- name: POSTGRES_DATABASE
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value: {{ .Values.externalPostgresql.database }}
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{{- end }}
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- name: MCP_ADMIN_TOKEN
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valueFrom:
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secretKeyRef:
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name: {{ include "mcp-center.fullname" . }}-secret
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key: mcp-admin-token
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{{- with .Values.livenessProbe }}
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livenessProbe:
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{{- toYaml . | nindent 12 }}
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resources:
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{{- toYaml . | nindent 12 }}
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{{- end }}
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{{- with .Values.volumeMounts }}
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volumeMounts:
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- name: mcp-servers-config
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mountPath: /app/mcp_servers.toml
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subPath: mcp_servers.toml
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{{- with .Values.volumeMounts }}
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{{- toYaml . | nindent 12 }}
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{{- end }}
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{{- end }}
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{{- with .Values.volumes }}
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volumes:
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- name: mcp-servers-config
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configMap:
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name: {{ include "mcp-center.fullname" . }}-config
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{{- with .Values.volumes }}
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- end }}
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{{- with .Values.nodeSelector }}
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nodeSelector:
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{{- toYaml . | nindent 8 }}

‎.helm/mcp-center/templates/secret.yaml‎

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apiVersion: v1
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kind: Secret
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metadata:
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name: {{ include "mcp-center.fullname" . }}-secret
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labels:
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{{- include "mcp-center.labels" . | nindent 4 }}
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type: Opaque
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data:
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mcp-admin-token: {{ .Values.mcpAdminToken | b64enc }}
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{{- if not .Values.postgresql.enabled }}
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postgres-password: {{ .Values.externalPostgresql.password | b64enc }}
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{{- end }}

‎.helm/mcp-center/values-custom.yaml‎

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# Example values file for custom MCP Admin Token
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# Copy this file and modify the values according to your setup
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# Custom MCP Admin Token (32 characters)
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# You can generate a random token using: openssl rand -hex 16
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mcpAdminToken: "your-32-character-random-token-here"
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# Other configurations remain the same
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replicaCount: 1
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image:
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repository: nautilusops/mcp-center
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pullPolicy: IfNotPresent
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tag: "release"
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service:
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type: ClusterIP
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port: 5432
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# PostgreSQL Configuration
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postgresql:
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enabled: false
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externalPostgresql:
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host: "your-postgres-host.example.com"
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port: 5432
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username: "mcpcenter"
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password: "your-secure-password"
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database: "mcpcenter"

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