NEDSS-Helm/charts/modernization-api/templates/traefik-middlewares.yaml at 8c134db530f916d003a80e8d25523a90eea2ce57 · CDCgov/NEDSS-Helm · GitHub

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{{/*
Traefik Middleware CRDs - Response headers, body size limits, cached headers
Replaces:
  - k8s-manifests/traefik-middleware-headers.yaml
  - k8s-manifests/traefik-middleware-body-limit.yaml
  - k8s-manifests/traefik-middleware-cached-headers.yaml
Only rendered when traefikIngress.enabled is true.
*/}}
{{- if .Values.traefikIngress.enabled }}
# =============================================================================
# Custom Response Headers (replaces NGINX configuration-snippet)
# Replaces: nginx.ingress.kubernetes.io/configuration-snippet:
#   more_set_headers "X-Frame-Options: Allow";
#   more_set_headers "Cross-Origin-Opener-Policy: same-origin";
# =============================================================================
apiVersion: traefik.io/v1alpha1
kind: Middleware
metadata:
  name: nbs-custom-headers
  labels:
    {{- include "modernization-api.labels" . | nindent 4 }}
    app.kubernetes.io/component: ingress
spec:
  headers:
    customResponseHeaders:
      X-Frame-Options: "Allow"
      Cross-Origin-Opener-Policy: "same-origin"
---
# =============================================================================
# Body Size Limit (replaces NGINX proxy-body-size: "100m")
# =============================================================================
apiVersion: traefik.io/v1alpha1
kind: Middleware
metadata:
  name: body-size-limit
  labels:
    {{- include "modernization-api.labels" . | nindent 4 }}
    app.kubernetes.io/component: ingress
spec:
  buffering:
    maxRequestBodyBytes: {{ int64 (.Values.traefikIngress.bodySizeLimit.maxRequestBodyBytes | default 104857600) }}
    memRequestBodyBytes: 10485760
    maxResponseBodyBytes: 0
    memResponseBodyBytes: 1048576
---
# =============================================================================
# Cached Asset Headers (adds Cache-Control for static assets)
# Replaces: NGINX configuration-snippet on main-ingress-resource-cached
# =============================================================================
apiVersion: traefik.io/v1alpha1
kind: Middleware
metadata:
  name: nbs-cached-headers
  labels:
    {{- include "modernization-api.labels" . | nindent 4 }}
    app.kubernetes.io/component: ingress
spec:
  headers:
    customResponseHeaders:
      X-Frame-Options: "Allow"
      Cross-Origin-Opener-Policy: "same-origin"
      Cache-Control: "max-age=1209600, immutable"
{{- end }}