chore: add helm chart and docker

deploy/chart-gestion/postgresql/Chart.yaml

@@ -0,0 +1,6 @@
+apiVersion: v2
+name: gestion-postgresql
+description: PostgreSQL 16 — gestion-commande
+type: application
+version: 0.1.0
+appVersion: "16"

deploy/chart-gestion/postgresql/templates/_helpers.tpl

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+{{- define "postgresql.fullname" -}}
+{{- printf "%s-postgresql" .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{- define "postgresql.labels" -}}
+helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version }}
+app.kubernetes.io/name: postgresql
+app.kubernetes.io/instance: {{ .Release.Name }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{- define "postgresql.selectorLabels" -}}
+app.kubernetes.io/name: postgresql
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}

deploy/chart-gestion/postgresql/templates/configmap.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "postgresql.fullname" . }}-config
+  labels:
+    {{- include "postgresql.labels" . | nindent 4 }}
+data:
+  postgresql.conf: |
+    max_connections = {{ .Values.config.maxConnections }}
+    shared_buffers = {{ .Values.config.sharedBuffers }}
+    effective_cache_size = {{ .Values.config.effectiveCacheSize }}
+    maintenance_work_mem = {{ .Values.config.maintenanceWorkMem }}
+    wal_buffers = {{ .Values.config.walBuffers }}
+    default_statistics_target = {{ .Values.config.defaultStatisticsTarget }}
+    random_page_cost = {{ .Values.config.randomPageCost }}
+    log_min_duration_statement = {{ .Values.config.logMinDurationStatement }}
+    log_timezone = 'UTC'
+    timezone = 'UTC'
+    # Connexions sécurisées uniquement depuis le réseau interne cluster
+    listen_addresses = '*'

deploy/chart-gestion/postgresql/templates/pvc.yaml

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+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ include "postgresql.fullname" . }}-data
+  labels:
+    {{- include "postgresql.labels" . | nindent 4 }}
+spec:
+  accessModes:
+    - {{ .Values.persistence.accessMode }}
+  resources:
+    requests:
+      storage: {{ .Values.persistence.size }}
+  {{- if .Values.persistence.storageClass }}
+  storageClassName: {{ .Values.persistence.storageClass }}
+  {{- end }}

deploy/chart-gestion/postgresql/templates/secret.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "postgresql.fullname" . }}
+  labels:
+    {{- include "postgresql.labels" . | nindent 4 }}
+type: Opaque
+stringData:
+  POSTGRES_PASSWORD: {{ .Values.auth.password | quote }}
+  POSTGRES_USER: {{ .Values.auth.username | quote }}
+  POSTGRES_DB: {{ .Values.auth.database | quote }}

deploy/chart-gestion/postgresql/templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "postgresql.fullname" . }}
+  labels:
+    {{- include "postgresql.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  selector:
+    {{- include "postgresql.selectorLabels" . | nindent 4 }}
+  ports:
+    - name: postgresql
+      port: {{ .Values.service.port }}
+      targetPort: postgresql
+      protocol: TCP
+---
+# Service headless pour le StatefulSet
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "postgresql.fullname" . }}-headless
+  labels:
+    {{- include "postgresql.labels" . | nindent 4 }}
+spec:
+  type: ClusterIP
+  clusterIP: None
+  selector:
+    {{- include "postgresql.selectorLabels" . | nindent 4 }}
+  ports:
+    - name: postgresql
+      port: {{ .Values.service.port }}
+      targetPort: postgresql

deploy/chart-gestion/postgresql/templates/statefulset.yaml

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+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: {{ include "postgresql.fullname" . }}
+  labels:
+    {{- include "postgresql.labels" . | nindent 4 }}
+spec:
+  serviceName: {{ include "postgresql.fullname" . }}-headless
+  replicas: 1
+  selector:
+    matchLabels:
+      {{- include "postgresql.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "postgresql.selectorLabels" . | nindent 8 }}
+    spec:
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      containers:
+        - name: postgresql
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          ports:
+            - name: postgresql
+              containerPort: 5432
+              protocol: TCP
+          envFrom:
+            - secretRef:
+                name: {{ include "postgresql.fullname" . }}
+          env:
+            - name: PGDATA
+              value: /var/lib/postgresql/data/pgdata
+          volumeMounts:
+            - name: data
+              mountPath: /var/lib/postgresql/data
+            - name: config
+              mountPath: /etc/postgresql/postgresql.conf
+              subPath: postgresql.conf
+          args:
+            - "-c"
+            - "config_file=/etc/postgresql/postgresql.conf"
+          livenessProbe:
+            exec:
+              command:
+                - sh
+                - -c
+                - pg_isready -U $POSTGRES_USER -d $POSTGRES_DB
+            initialDelaySeconds: 30
+            periodSeconds: 10
+            failureThreshold: 6
+          readinessProbe:
+            exec:
+              command:
+                - sh
+                - -c
+                - pg_isready -U $POSTGRES_USER -d $POSTGRES_DB
+            initialDelaySeconds: 5
+            periodSeconds: 5
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+      volumes:
+        - name: data
+          persistentVolumeClaim:
+            claimName: {{ include "postgresql.fullname" . }}-data
+        - name: config
+          configMap:
+            name: {{ include "postgresql.fullname" . }}-config

deploy/chart-gestion/postgresql/values.yaml

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+image:
+  repository: postgres
+  tag: "16-alpine"
+  pullPolicy: IfNotPresent
+
+auth:
+  username: postgres
+  database: gestion_db
+  # À surcharger via --set auth.password=xxx
+  password: ""
+
+persistence:
+  size: 10Gi
+  storageClass: ""
+  accessMode: ReadWriteOnce
+
+resources:
+  requests:
+    cpu: 250m
+    memory: 256Mi
+  limits:
+    cpu: 1000m
+    memory: 1Gi
+
+service:
+  type: ClusterIP
+  port: 5432
+
+# Paramètres PostgreSQL (postgresql.conf)
+config:
+  maxConnections: "200"
+  sharedBuffers: "256MB"
+  effectiveCacheSize: "768MB"
+  maintenanceWorkMem: "64MB"
+  walBuffers: "16MB"
+  defaultStatisticsTarget: "100"
+  randomPageCost: "1.1"
+  logMinDurationStatement: "1000"
+
+podSecurityContext:
+  runAsUser: 999
+  runAsGroup: 999
+  fsGroup: 999
+
+securityContext:
+  allowPrivilegeEscalation: false
+  readOnlyRootFilesystem: false
+  capabilities:
+    drop:
+      - ALL