rapp-canned-prompts/manifests/runtime.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: canned-prompts
  namespace: canned-prompts
  labels:
    app.kubernetes.io/name: canned-prompts
spec:
  replicas: 1
  selector:
    matchLabels:
      app.kubernetes.io/name: canned-prompts
  template:
    metadata:
      labels:
        app.kubernetes.io/name: canned-prompts
        app.kubernetes.io/part-of: canned-prompts
    spec:
      automountServiceAccountToken: false
      serviceAccountName: canned-prompts
      securityContext:
        runAsNonRoot: true
        runAsUser: 10001
        runAsGroup: 10001
        fsGroup: 10001
        seccompProfile:
          type: RuntimeDefault
      containers:
        - name: canned-prompts
          image: forgejo.coulomb.social/coulomb/canned-prompts@sha256:2fbac3c0d1609a76d9478e540ae5450c5425e8c04e0565cccc6a4eb0180ebcaf
          imagePullPolicy: IfNotPresent
          ports:
            - name: http
              containerPort: 8000
          env:
            # The URL arrives as a mounted file, never as an env var: an env var
            # holding a password shows up in `kubectl describe`, in crash dumps,
            # and to anything that can read /proc.
            - name: CANNED_PROMPTS_DATABASE_URL_FILE
              value: /var/run/secrets/postgres-runtime/url
            - name: CANNED_PROMPTS_PUBLISH_TOKEN_FILE
              value: /var/run/secrets/publish/token
            - name: CANNED_PROMPTS_TENANT
              value: railiance
          securityContext:
            allowPrivilegeEscalation: false
            capabilities:
              drop: ["ALL"]
            readOnlyRootFilesystem: true
          readinessProbe:
            httpGet:
              path: /readyz
              port: http
            periodSeconds: 5
          livenessProbe:
            # /healthz deliberately checks only that the process is up. Pointing
            # liveness at a database-dependent path would restart every replica
            # during a database blip, turning a brief outage into an outage plus
            # a thundering herd.
            httpGet:
              path: /healthz
              port: http
            periodSeconds: 20
          startupProbe:
            httpGet:
              path: /readyz
              port: http
            failureThreshold: 30
            periodSeconds: 2
          resources:
            requests:
              cpu: 25m
              memory: 96Mi
            limits:
              cpu: 500m
              memory: 384Mi
          volumeMounts:
            - name: postgres-runtime
              mountPath: /var/run/secrets/postgres-runtime
              readOnly: true
            - name: publish
              mountPath: /var/run/secrets/publish
              readOnly: true
      volumes:
        - name: postgres-runtime
          secret:
            defaultMode: 0440
            secretName: canned-prompts-postgres-runtime
            items:
              - key: url
                path: url
        - name: publish
          secret:
            defaultMode: 0440
            secretName: canned-prompts-publish-token
            optional: true
            items:
              - key: token
                path: token
---
apiVersion: v1
kind: Service
metadata:
  name: canned-prompts
  namespace: canned-prompts
spec:
  # ClusterIP only. No Ingress, no LoadBalancer: this registry is reachable
  # from inside the cluster and nowhere else, which is what
  # `private-service-only` in the smoke contract asserts.
  type: ClusterIP
  selector:
    app.kubernetes.io/name: canned-prompts
  ports:
    - name: http
      port: 8000
      targetPort: http
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: canned-prompts
  namespace: canned-prompts
automountServiceAccountToken: false
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: canned-prompts-default-deny
  namespace: canned-prompts
spec:
  podSelector: {}
  policyTypes: [Ingress, Egress]
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: canned-prompts-ingress
  namespace: canned-prompts
spec:
  # Ingress is for the serving pods only. The migration Job serves nothing and
  # must not be reachable.
  podSelector:
    matchLabels:
      app.kubernetes.io/name: canned-prompts
  policyTypes: [Ingress]
  ingress:
    - from:
        - namespaceSelector: {}
      ports:
        - protocol: TCP
          port: 8000
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: canned-prompts-egress
  namespace: canned-prompts
spec:
  # Selects on part-of, not name, so it covers the migration Job as well as the
  # serving pods. Selecting only `name: canned-prompts` left the Job matched by
  # nothing but the default-deny — it succeeded once purely because it ran
  # before these policies existed, and the next migration would have failed.
  podSelector:
    matchLabels:
      app.kubernetes.io/part-of: canned-prompts
  policyTypes: [Egress]
  egress:
    # PostgreSQL and DNS only. The service fetches nothing: a package arrives
    # by publish, never by the registry reaching out, so it needs no egress to
    # the internet and is not given any.
    - to:
        - namespaceSelector:
            matchLabels:
              kubernetes.io/metadata.name: databases
      ports:
        - protocol: TCP
          port: 5432
    - to:
        - namespaceSelector:
            matchLabels:
              kubernetes.io/metadata.name: kube-system
      ports:
        - protocol: UDP
          port: 53
        - protocol: TCP
          port: 53