homelab/kubernetes/app/cryptpad/deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: cryptpad
  namespace: cryptpad
  labels:
    app: cryptpad
spec:
  replicas: 1
  strategy:
    type: Recreate
  selector:
    matchLabels:
      app: cryptpad
  template:
    metadata:
      labels:
        app: cryptpad
    spec:
      securityContext:
        runAsUser: 4001
        runAsGroup: 4001
        runAsNonRoot: true
        seccompProfile:
          type: RuntimeDefault
      initContainers:
        # # Create required subdirectories on NFS volumes before subPath mounts are used
        # - name: init-dirs
        #   image: busybox:1.36
        #   securityContext:
        #     runAsUser: 0
        #     runAsNonRoot: false
        #   command:
        #     - sh
        #     - -c
        #     - |
        #       mkdir -p /data/blob /data/datastore /data/data /data/block /data/onlyoffice
        #       mkdir -p /config/customize
        #       chown -R 4001:4001 /data /config
        #   volumeMounts:
        #     - name: data
        #       mountPath: /data
        #     - name: config
        #       mountPath: /config

        # Clone the official CryptPad SSO plugin into an emptyDir shared with the main container
        - name: install-sso-plugin
          image: alpine/git:v2.47.2
          securityContext:
            runAsUser: 0
            runAsNonRoot: false
          command:
            - sh
            - -c
            - |
              git clone --depth=1 https://github.com/cryptpad/sso /plugin
              chown -R 4001:4001 /plugin
          volumeMounts:
            - name: sso-plugin
              mountPath: /plugin

      containers:
        - name: cryptpad
          image: cryptpad/cryptpad:version-2026.2.0
          ports:
            - containerPort: 3000
              name: http
              protocol: TCP
            - containerPort: 3003
              name: api
              protocol: TCP
          env:
            - name: CPAD_CONF
              value: "/cryptpad/config/config.js"
            - name: CPAD_MAIN_DOMAIN
              value: "https://${CRYPTPAD_HOST}"
            - name: CPAD_SANDBOX_DOMAIN
              value: "https://${CRYPTPAD_SANDBOX_HOST}"
            # Trust the Traefik pod CIDR so CryptPad sees real client IPs.
            # Adjust if your pod CIDR is different.
            - name: CPAD_TRUSTED_PROXY
              value: "10.0.0.0/8"
            - name: CPAD_REALIP_HEADER
              value: "X-Forwarded-For"
            - name: CPAD_REALIP_RECURSIVE
              value: "on"
            # Downloads and installs OnlyOffice frontend on first start (persisted via data PVC).
            # First startup will be slower while OnlyOffice assets are fetched.
            - name: CPAD_INSTALL_ONLYOFFICE
              value: "yes"
          volumeMounts:
            # User data — split into subdirs on a single NFS PVC
            - name: data
              mountPath: /cryptpad/blob
              subPath: blob
            - name: data
              mountPath: /cryptpad/datastore
              subPath: datastore
            - name: data
              mountPath: /cryptpad/data
              subPath: data
            - name: data
              mountPath: /cryptpad/block
              subPath: block
            # Customization (branding, themes) — persisted on NFS
            - name: config
              mountPath: /cryptpad/customize
              subPath: customize
            # OnlyOffice dist — local-path (not NFS): rdfind uses hard links which
            # require a real filesystem, and scanning NFS for dedup is very slow
            - name: onlyoffice
              mountPath: /cryptpad/www/common/onlyoffice/dist
            # SSO plugin — freshly cloned by init container on each pod start
            - name: sso-plugin
              mountPath: /cryptpad/lib/plugins/sso
            # sso.js mounted directly from the secret — overlays the NFS config dir
            # at this specific file path, no init container needed
            - name: sso-secret
              mountPath: /cryptpad/config/sso.js
              subPath: sso.js
              readOnly: true
            - name: application-config
              mountPath: /cryptpad/customize/application_config.js
              subPath: application_config.js
              readOnly: true
            - name: application-config
              mountPath: /cryptpad/config/config.js
              subPath: config.js
              readOnly: true
          # npm run build runs on every start and can take several minutes.
          # startupProbe absorbs that time; liveness/readiness take over once up.
          startupProbe:
            httpGet:
              port: 3000
              path: /
            failureThreshold: 120
            periodSeconds: 60
          livenessProbe:
            httpGet:
              port: 3000
              path: /
            periodSeconds: 30
          readinessProbe:
            httpGet:
              port: 3000
              path: /
            periodSeconds: 10
          resources:
            requests:
              cpu: 100m
              memory: 512Mi
            limits:
              memory: 2Gi

      volumes:
        - name: data
          persistentVolumeClaim:
            claimName: cryptpad-data
        - name: config
          persistentVolumeClaim:
            claimName: cryptpad-config
        - name: sso-plugin
          emptyDir: {}
        - name: onlyoffice
          persistentVolumeClaim:
            claimName: cryptpad-onlyoffice
        - name: sso-secret
          secret:
            secretName: cryptpad-credentials
            items:
              - key: sso.js
                path: sso.js
        - name: application-config
          configMap:
            name: cryptpad-config