RPF-WP-0047: static notice page manifests for bao.coulomb.social
Isolated namespace (Traefik-only ingress, no egress), pinned unprivileged nginx, / -> 200 notice, every other path -> 404, letsencrypt-prod TLS, HTTP->HTTPS redirect. Nothing proxies to OpenBao. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Assistant: claude-code Assistant-Model: opus Assistant-Process: 150322@bnt-lap001 Assistant-Session: 16a7b788-374e-4915-a1df-fc87ffd9a5e4
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34
argocd/platform-addons/bao-notice/default.conf
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34
argocd/platform-addons/bao-notice/default.conf
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# Static notice for bao.coulomb.social (RPF-WP-0047). Serves one page; proxies nothing.
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server {
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listen 8080;
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server_name _;
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server_tokens off;
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root /usr/share/nginx/html;
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add_header Content-Security-Policy "default-src 'none'; style-src 'unsafe-inline'; frame-ancestors 'none'" always;
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add_header X-Content-Type-Options "nosniff" always;
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add_header Referrer-Policy "no-referrer" always;
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add_header Cache-Control "no-store" always;
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add_header X-Robots-Tag "noindex, nofollow" always;
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location = / {
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try_files /index.html =404;
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}
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location = /robots.txt {
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default_type text/plain;
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return 200 "User-agent: *\nDisallow: /\n";
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}
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location = /healthz {
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access_log off;
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default_type text/plain;
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return 200 "ok\n";
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}
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# Any other path (e.g. /v1/sys/health, /ui/) is 404 with the same notice, never 200.
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location / {
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error_page 404 /index.html;
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return 404;
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}
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location = /index.html {
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internal;
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}
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}
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19
argocd/platform-addons/bao-notice/index.html
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argocd/platform-addons/bao-notice/index.html
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<meta name="robots" content="noindex, nofollow">
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<title>Not publicly available</title>
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<style>
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body { font-family: system-ui, sans-serif; max-width: 36rem; margin: 15vh auto; padding: 0 1rem; color: #222; background: #fff; line-height: 1.5; }
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@media (prefers-color-scheme: dark) { body { color: #ddd; background: #111; } }
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h1 { font-size: 1.4rem; }
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</style>
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</head>
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<body>
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<h1>Not publicly available</h1>
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<p>This address belongs to an internal service that is not offered publicly.</p>
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<p>There is nothing to sign in to here. If you were sent to this address, please contact the person who gave it to you.</p>
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</body>
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</html>
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18
argocd/platform-addons/bao-notice/kustomization.yaml
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argocd/platform-addons/bao-notice/kustomization.yaml
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apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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# RPF-WP-0047. Read only by argocd/railiance01/applications/bao-notice.application.yaml.
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resources:
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- manifests.yaml
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generatorOptions:
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disableNameSuffixHash: false
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configMapGenerator:
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- name: bao-notice-conf
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namespace: bao-notice
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files: [default.conf]
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- name: bao-notice-html
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namespace: bao-notice
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files: [index.html]
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154
argocd/platform-addons/bao-notice/manifests.yaml
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argocd/platform-addons/bao-notice/manifests.yaml
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# RPF-WP-0047: static "not publicly available" notice for bao.coulomb.social.
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# OpenBao stays non-public (RMASTER-WP-0020-T09). This namespace has no route
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# to OpenBao: ingress only from Traefik, no egress at all.
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apiVersion: v1
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kind: Namespace
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metadata:
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name: bao-notice
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labels:
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app.kubernetes.io/part-of: railiance-platform
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---
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apiVersion: networking.k8s.io/v1
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kind: NetworkPolicy
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metadata:
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name: bao-notice-isolation
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namespace: bao-notice
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spec:
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podSelector: {}
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policyTypes: [Ingress, Egress]
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ingress:
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- from:
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- namespaceSelector:
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matchLabels:
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kubernetes.io/metadata.name: kube-system
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podSelector:
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matchLabels:
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app.kubernetes.io/name: traefik
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ports:
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- {protocol: TCP, port: 8080}
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egress: []
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: bao-notice
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namespace: bao-notice
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labels:
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app.kubernetes.io/name: bao-notice
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spec:
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replicas: 1
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revisionHistoryLimit: 2
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selector:
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matchLabels:
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app.kubernetes.io/name: bao-notice
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template:
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metadata:
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labels:
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app.kubernetes.io/name: bao-notice
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spec:
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automountServiceAccountToken: false
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enableServiceLinks: false
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securityContext:
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runAsNonRoot: true
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runAsUser: 101
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runAsGroup: 101
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seccompProfile:
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type: RuntimeDefault
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containers:
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- name: nginx
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image: nginxinc/nginx-unprivileged@sha256:65e3e85dbaed8ba248841d9d58a899b6197106c23cb0ff1a132b7bfe0547e4c0
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ports:
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- {name: http, containerPort: 8080}
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securityContext:
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allowPrivilegeEscalation: false
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readOnlyRootFilesystem: true
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capabilities:
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drop: [ALL]
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resources:
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requests: {cpu: 5m, memory: 16Mi}
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limits: {cpu: 100m, memory: 64Mi}
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readinessProbe:
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httpGet: {path: /healthz, port: http}
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periodSeconds: 20
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livenessProbe:
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httpGet: {path: /healthz, port: http}
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periodSeconds: 60
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volumeMounts:
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- {name: conf, mountPath: /etc/nginx/conf.d, readOnly: true}
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- {name: html, mountPath: /usr/share/nginx/html, readOnly: true}
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- {name: tmp, mountPath: /tmp}
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volumes:
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- name: conf
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configMap:
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name: bao-notice-conf
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items: [{key: default.conf, path: default.conf}]
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- name: html
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configMap:
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name: bao-notice-html
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items: [{key: index.html, path: index.html}]
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- name: tmp
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emptyDir: {sizeLimit: 16Mi}
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: bao-notice
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namespace: bao-notice
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spec:
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selector:
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app.kubernetes.io/name: bao-notice
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ports:
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- {name: http, port: 80, targetPort: http}
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---
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apiVersion: traefik.io/v1alpha1
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kind: Middleware
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metadata:
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name: redirect-https
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namespace: bao-notice
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spec:
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redirectScheme:
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scheme: https
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permanent: true
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---
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apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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name: bao-notice
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namespace: bao-notice
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annotations:
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cert-manager.io/cluster-issuer: letsencrypt-prod
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traefik.ingress.kubernetes.io/router.entrypoints: websecure
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traefik.ingress.kubernetes.io/router.tls: "true"
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spec:
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ingressClassName: traefik
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tls:
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- hosts: [bao.coulomb.social]
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secretName: bao-notice-tls
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rules:
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- host: bao.coulomb.social
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http:
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paths:
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- path: /
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pathType: Prefix
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backend:
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service: {name: bao-notice, port: {number: 80}}
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---
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apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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name: bao-notice-http-redirect
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namespace: bao-notice
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annotations:
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traefik.ingress.kubernetes.io/router.entrypoints: web
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traefik.ingress.kubernetes.io/router.middlewares: bao-notice-redirect-https@kubernetescrd
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traefik.ingress.kubernetes.io/router.priority: "1"
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spec:
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ingressClassName: traefik
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rules:
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- host: bao.coulomb.social
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http:
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paths:
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- path: /
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pathType: Prefix
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backend:
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service: {name: bao-notice, port: {number: 80}}
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