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mario-winklermario-winkler
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Merge pull request #1 from EOPF-Sample-Service/stac-browser
Add Helm chart for STAC Browser
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‎helm-chart/browser/Chart.yaml‎

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apiVersion: v2
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name: browser
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description: STAC Browser for eoAPI
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# A chart can be either an 'application' or a 'library' chart.
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#
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# Application charts are a collection of templates that can be packaged into versioned archives
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# to be deployed.
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#
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# Library charts provide useful utilities or functions for the chart developer. They're included as
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# a dependency of application charts to inject those utilities and functions into the rendering
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# pipeline. Library charts do not define any templates and therefore cannot be deployed.
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type: application
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kubeVersion: ">=1.23.0-0"
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# This is the chart version. This version number should be incremented each time you make changes
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# to the chart and its templates, including the app version.
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# Versions are expected to follow Semantic Versioning (https://semver.org/)
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version: "0.1.0"
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# This is the version number of the application being deployed. This version number should be
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# incremented each time you make changes to the application. Versions are not expected to
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# follow Semantic Versioning. They should reflect the version the application is using.
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# It is recommended to use it with quotes.
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appVersion: "3.3.3"

‎helm-chart/browser/templates/configmap.yaml‎

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{{- if (.Values.browser.enabled) }}
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: browser-envvar-configmap-{{ $.Release.Name }}
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data:
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{{- range $envKey, $envValue := index .Values.browser.settings.envVars }}
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{{ $envKey }}: {{ $envValue | quote }}
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{{- end }}
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{{- end }}

‎helm-chart/browser/templates/deployment.yaml‎

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{{- if (.Values.browser.enabled) }}
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: browser-{{ .Release.Name }}
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spec:
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replicas: {{.Values.browser.replicaCount}}
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selector:
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matchLabels:
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app: browser-{{ .Release.Name }}
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template:
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metadata:
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labels:
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app: browser-{{ .Release.Name }}
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spec:
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containers:
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- name: browser
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image: {{ .Values.browser.image.name }}:{{ .Values.browser.image.tag }}
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ports:
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- containerPort: 8080
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envFrom:
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# NOTE: there's no reason we need to use a `ConfigMap` or `Secret` here to get os env vars into the pod.
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# we could just template them out here immediately with `value: $_` but this allows us
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# to store them in k8s intermediately and change them and then bounce deploys if needed
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- configMapRef:
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name: browser-envvar-configmap-{{ $.Release.Name }}
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{{- end }}

‎helm-chart/browser/templates/ingress-nginx.yaml‎

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{{- if (and (.Values.ingress.enabled) (eq .Values.ingress.className "nginx")) }}
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{{- if (.Values.browser.enabled) }}
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# We need a separate ingress because browser does not play well with nginx rewrite_path directive
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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: nginx-browser-ingress-shared-{{ $.Release.Name }}
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labels:
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app: nginxsharedingress
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annotations:
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nginx.ingress.kubernetes.io/use-regex: "true"
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nginx.ingress.kubernetes.io/enable-cors: "true"
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# enable-access-log is required for nginx to dump metrics about path rewrites for prometheus to scrape
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nginx.ingress.kubernetes.io/enable-access-log: "true"
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{{- if (and (.Values.ingress.tls.enabled) (.Values.ingress.tls.certManager)) }}
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cert-manager.io/issuer: {{ .Values.ingress.tls.certManagerIssuer }}
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{{- end }}
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spec:
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ingressClassName: {{ .Values.ingress.className }}
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rules:
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- http:
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paths:
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- pathType: Prefix
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path: /
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backend:
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service:
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name: browser
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port:
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number: {{ $.Values.service.port }}
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{{/* END: if (.Values.browser.enabled) */}}
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{{- end }}
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{{/* END: if (and (.Values.ingress.enabled) (eq .Values.ingress.className "nginx")) */}}
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{{- end }}

‎helm-chart/browser/templates/service.yaml‎

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{{- if (.Values.browser.enabled) }}
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apiVersion: v1
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kind: Service
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metadata:
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labels:
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app: browser
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name: browser
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spec:
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{{- if (and ($.Values.ingress.className) (eq $.Values.ingress.className "nginx")) }}
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type: "ClusterIP"
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{{- else }}
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type: "NodePort"
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{{- end }}
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ports:
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- name: '{{ $.Values.service.port }}'
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port: {{ $.Values.service.port }}
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targetPort: {{ $.Values.service.port }}
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selector:
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app: browser-{{ .Release.Name }}
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{{- end }}

‎helm-chart/browser/values.yaml‎

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ingress:
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enabled: true
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className: "nginx"
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host: ""
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tls:
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enabled: false
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secretName: eoapi-tls
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certManager: false
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certManagerIssuer: letsencrypt-prod
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certManagerEmail: ""
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browser:
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enabled: true
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image:
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name: ghcr.io/radiantearth/stac-browser
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tag: 3.3.3
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replicaCount: 1
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settings:
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envVars:
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SB_catalogUrl: "/stac"
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SB_detectLocaleFromBrowser: "false"

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