titan-iac/services/pegasus/deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: pegasus
  namespace: jellyfin
spec:
  replicas: 1
  revisionHistoryLimit: 3
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 0
      maxUnavailable: 1
  selector: { matchLabels: { app: pegasus } }
  template:
    metadata: { labels: { app: pegasus } }
    spec:
      nodeSelector:
        kubernetes.io/arch: amd64
      imagePullSecrets:
        - name: zot-regcred
      securityContext:
        runAsNonRoot: true
        runAsUser: 65532
        runAsGroup: 65532
        fsGroup: 65532
        fsGroupChangePolicy: "OnRootMismatch"
      initContainers:
        - name: fix-perms
          image: alpine:3.20
          command:
            - sh
            - -lc
            - |
              set -eux

              # Scratch area for tus uploads (always writable)
              mkdir -p /media/.pegasus-tus
              chmod 0777 /media/.pegasus-tus

              # Make each top-level library dir group-writable and setgid,
              # and try to set its group to 65532 (so the app can write).
              for d in /media/*; do
                [ -d "$d" ] || continue
                base="$(basename "$d")"
                [ "$base" = ".pegasus-tus" ] && continue
                # chgrp can fail on some backends; don't block the pod if it does.
                chgrp 65532 "$d" || true
                chmod 2775 "$d" || true
              done
          securityContext:
            runAsUser: 0
            runAsGroup: 0
            runAsNonRoot: false
            allowPrivilegeEscalation: false
          volumeMounts:
            - { name: media, mountPath: /media }

      containers:
        - name: pegasus
          image: registry.bstein.dev/pegasus:1.2.29 # {"$imagepolicy": "jellyfin:pegasus"}
          imagePullPolicy: Always
          command: ["/pegasus"]
          env:
            - name: PEGASUS_MEDIA_ROOT
              valueFrom: { configMapKeyRef: { name: pegasus-config, key: PEGASUS_MEDIA_ROOT } }
            - name: PEGASUS_BIND
              valueFrom: { configMapKeyRef: { name: pegasus-config, key: PEGASUS_BIND } }
            - name: PEGASUS_USER_MAP_FILE
              value: "/config/user-map.yaml"
            - name: PEGASUS_SESSION_KEY
              valueFrom: { secretKeyRef: { name: pegasus-secrets, key: PEGASUS_SESSION_KEY } }
            - name: JELLYFIN_URL
              valueFrom: { secretKeyRef: { name: pegasus-secrets, key: JELLYFIN_URL } }
            - name: PEGASUS_DEBUG
              value: "1"
            - name: PEGASUS_DRY_RUN
              value: "0"
          ports: [{ name: http, containerPort: 8080 }]
          readinessProbe:
            httpGet: { path: /healthz, port: http }
            initialDelaySeconds: 2
            periodSeconds: 5
            timeoutSeconds: 1
          livenessProbe:
            httpGet: { path: /healthz, port: http }
            initialDelaySeconds: 10
            periodSeconds: 10
            timeoutSeconds: 2
          securityContext:
            allowPrivilegeEscalation: false
            readOnlyRootFilesystem: true
            capabilities: { drop: ["ALL"] }
          resources:
            requests: { cpu: 100m, memory: 256Mi }
            limits:   { cpu: 1000m, memory: 1Gi }
          volumeMounts:
            - name: media
              mountPath: /media
            - name: config
              mountPath: /config
              readOnly: true
            - name: tmp
              mountPath: /tmp
      volumes:
        - name: media
          persistentVolumeClaim:
            claimName: jellyfin-media-asteria
        - name: config
          configMap: { name: pegasus-user-map }
        - name: tmp
          emptyDir: {}