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feat(chart): add Helm chart for deploying Label Studio with PostgreSQL (#152)
* feat(chart): add Helm chart for deploying Label Studio with PostgreSQL * feat(milvus): update Milvus configuration to use URI and remove deprecated host/port settings
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‎backend/services/rag-indexer-service/src/main/java/com/datamate/rag/indexer/infrastructure/milvus/MilvusService.java‎

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@Slf4j
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@Component
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public class MilvusService {
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@Value("${datamate.rag.milvus-host:milvus}")
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private String milvusHost;
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@Value("${datamate.rag.milvus-port:19530}")
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private int milvusPort;
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@Value("${datamate.rag.milvus-uri:http://milvus-standalone:19530}")
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private String milvusUri;
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private static final Gson GSON;

‎deployment/helm/datamate/charts/backend/templates/deployment.yaml‎

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env:
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{{- toYaml . | nindent 12 }}
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{{- end }}
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- name: datamate.rag.milvus-uri
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value: {{ .Values.milvus.uri | default "http://milvus:19530" | quote }}
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{{- with .Values.volumeMounts }}
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volumeMounts:
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{{- toYaml . | nindent 12 }}

‎deployment/helm/datamate/values.yaml‎

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env:
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- name: DB_PASSWORD
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value: *dbPass
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- name: datamate.rag.milvus-uri
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value: "http://milvus:19530"
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volumes:
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- *datasetVolume
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- *flowVolume

‎deployment/helm/label-studio/Chart.yaml‎

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apiVersion: v2
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name: label-studio
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version: 0.1.0
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description: A Helm chart for deploying Label Studio with PostgreSQL on Kubernetes
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# Application metadata
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appVersion: "latest"
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# This chart is designed to mirror the behavior of deployment/docker/label-studio/docker-compose.yml
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‎deployment/helm/label-studio/templates/_helpers.tpl‎

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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "label-studio.name" -}}
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{{- default .Chart.name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{/*
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Create a default fully qualified app name.
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*/}}
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{{- define "label-studio.fullname" -}}
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{{- if .Values.fullnameOverride -}}
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{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
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{{- else -}}
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{{- $name := default .Chart.name .Values.nameOverride -}}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Create chart name and version as used by the chart label.
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*/}}
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{{- define "label-studio.chart" -}}
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{{- printf "%s-%s" .Chart.name .Chart.version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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‎deployment/helm/label-studio/templates/deployment.yaml‎

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: {{ include "label-studio.fullname" . }}
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labels:
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app.kubernetes.io/name: {{ include "label-studio.name" . }}
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helm.sh/chart: {{ include "label-studio.chart" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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spec:
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replicas: {{ .Values.replicaCount }}
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selector:
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matchLabels:
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app.kubernetes.io/name: {{ include "label-studio.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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template:
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metadata:
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labels:
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app.kubernetes.io/name: {{ include "label-studio.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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spec:
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containers:
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- name: label-studio
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image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
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imagePullPolicy: {{ .Values.image.pullPolicy }}
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args: ["label-studio-uwsgi"]
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env:
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- name: DJANGO_DB
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value: {{ .Values.env.DJANGO_DB | quote }}
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- name: POSTGRE_NAME
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value: {{ .Values.env.POSTGRE_NAME | quote }}
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- name: POSTGRE_USER
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value: {{ .Values.env.POSTGRE_USER | quote }}
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- name: POSTGRE_PASSWORD
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value: {{ .Values.env.POSTGRE_PASSWORD | quote }}
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- name: POSTGRE_PORT
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value: {{ .Values.env.POSTGRE_PORT | quote }}
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- name: POSTGRE_HOST
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value: {{ .Values.env.POSTGRE_HOST | quote }}
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- name: LABEL_STUDIO_HOST
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value: {{ .Values.env.LABEL_STUDIO_HOST | quote }}
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- name: LOCAL_FILES_SERVING_ENABLED
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value: {{ .Values.env.LOCAL_FILES_SERVING_ENABLED | quote }}
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- name: LOCAL_FILES_DOCUMENT_ROOT
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value: {{ .Values.env.LOCAL_FILES_DOCUMENT_ROOT | quote }}
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- name: USE_USERNAME_FOR_LOGIN
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value: {{ .Values.env.USE_USERNAME_FOR_LOGIN | quote }}
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- name: LABEL_STUDIO_USERNAME
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value: {{ .Values.env.LABEL_STUDIO_USERNAME | quote }}
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- name: LABEL_STUDIO_PASSWORD
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value: {{ .Values.env.LABEL_STUDIO_PASSWORD | quote }}
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- name: LABEL_STUDIO_ENABLE_LEGACY_API_TOKEN
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value: {{ .Values.env.LABEL_STUDIO_ENABLE_LEGACY_API_TOKEN | quote }}
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- name: LABEL_STUDIO_USER_TOKEN
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value: {{ .Values.env.LABEL_STUDIO_USER_TOKEN | quote }}
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- name: LOG_LEVEL
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value: {{ .Values.env.LOG_LEVEL | quote }}
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ports:
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- name: http
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containerPort: 8000
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protocol: TCP
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volumeMounts:
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- name: data
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mountPath: /label-studio/data
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- name: dataset
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mountPath: /label-studio/local
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resources:
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{{- toYaml .Values.resources | nindent 12 }}
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volumes:
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- name: data
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persistentVolumeClaim:
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claimName: {{ if .Values.persistence.existingClaim }}{{ .Values.persistence.existingClaim }}{{ else }}{{ include "label-studio.fullname" . }}-data{{ end }}
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- name: dataset
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{{- if and .Values.datasetVolume.enabled .Values.datasetVolume.claimName }}
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persistentVolumeClaim:
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claimName: {{ .Values.datasetVolume.claimName }}
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{{- else }}
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persistentVolumeClaim:
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claimName: {{ if .Values.persistence.existingClaim }}{{ .Values.persistence.existingClaim }}{{ else }}{{ include "label-studio.fullname" . }}-dataset{{ end }}
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{{- end }}
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‎deployment/helm/label-studio/templates/ingress.yaml‎

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{{- if .Values.ingress.enabled }}
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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: {{ include "label-studio.fullname" . }}
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{{- with .Values.ingress.annotations }}
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annotations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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spec:
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{{- if .Values.ingress.className }}
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ingressClassName: {{ .Values.ingress.className }}
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{{- end }}
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rules:
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{{- range .Values.ingress.hosts }}
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- host: {{ .host | quote }}
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http:
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paths:
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{{- range .paths }}
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- path: {{ .path }}
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pathType: {{ .pathType }}
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backend:
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service:
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name: {{ include "label-studio.fullname" $ }}
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port:
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number: {{ $.Values.service.port }}
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{{- end }}
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{{- end }}
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{{- if .Values.ingress.tls }}
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tls:
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{{- toYaml .Values.ingress.tls | nindent 4 }}
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{{- end }}
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{{- end }}
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‎deployment/helm/label-studio/templates/postgres.yaml‎

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{{- if .Values.postgres.enabled }}
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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: {{ include "label-studio.fullname" . }}-postgres
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labels:
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app.kubernetes.io/name: {{ include "label-studio.name" . }}-postgres
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spec:
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ports:
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- port: 5432
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targetPort: 5432
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selector:
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app.kubernetes.io/name: {{ include "label-studio.name" . }}-postgres
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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: {{ include "label-studio.fullname" . }}-postgres
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labels:
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app.kubernetes.io/name: {{ include "label-studio.name" . }}-postgres
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spec:
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replicas: 1
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selector:
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matchLabels:
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app.kubernetes.io/name: {{ include "label-studio.name" . }}-postgres
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template:
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metadata:
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labels:
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app.kubernetes.io/name: {{ include "label-studio.name" . }}-postgres
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spec:
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containers:
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- name: postgres
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image: "{{ .Values.postgres.image.repository }}:{{ .Values.postgres.image.tag }}"
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imagePullPolicy: {{ .Values.postgres.image.pullPolicy }}
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env:
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- name: POSTGRES_HOST_AUTH_METHOD
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value: {{ .Values.postgres.authMethod | quote }}
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- name: POSTGRES_USER
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value: {{ .Values.postgres.username | quote }}
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ports:
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- containerPort: 5432
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volumeMounts:
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- name: postgres-data
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mountPath: /var/lib/postgresql/data
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volumes:
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- name: postgres-data
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persistentVolumeClaim:
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claimName: {{ include "label-studio.fullname" . }}-postgres
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---
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata:
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name: {{ include "label-studio.fullname" . }}-postgres
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spec:
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accessModes:
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- ReadWriteOnce
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resources:
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requests:
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storage: {{ .Values.postgres.persistence.size }}
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{{- end }}
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‎deployment/helm/label-studio/templates/pvc.yaml‎

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{{- if and .Values.persistence.enabled (not .Values.persistence.existingClaim) }}
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---
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata:
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name: {{ include "label-studio.fullname" . }}-data
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spec:
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accessModes:
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- ReadWriteOnce
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resources:
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requests:
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storage: {{ .Values.persistence.size }}
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{{- if .Values.persistence.storageClassName }}
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storageClassName: {{ .Values.persistence.storageClassName }}
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{{- end }}
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---
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata:
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name: {{ include "label-studio.fullname" . }}-dataset
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spec:
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accessModes:
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- ReadWriteOnce
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resources:
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requests:
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storage: {{ .Values.persistence.size }}
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{{- if .Values.persistence.storageClassName }}
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storageClassName: {{ .Values.persistence.storageClassName }}
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{{- end }}
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{{- end }}
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‎deployment/helm/label-studio/templates/service.yaml‎

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apiVersion: v1
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kind: Service
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metadata:
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name: {{ include "label-studio.fullname" . }}
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labels:
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app.kubernetes.io/name: {{ include "label-studio.name" . }}
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helm.sh/chart: {{ include "label-studio.chart" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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spec:
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type: {{ .Values.service.type }}
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ports:
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- port: {{ .Values.service.port }}
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targetPort: http
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protocol: TCP
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name: http
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{{- if and (eq .Values.service.type "NodePort") .Values.service.nodePort }}
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nodePort: {{ .Values.service.nodePort }}
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{{- end }}
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selector:
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app.kubernetes.io/name: {{ include "label-studio.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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