feat(k8s): authentik server+worker deployments and postgres statefulset

authentik/k8s/postgresql.yaml

@@ -0,0 +1,66 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: authentik-postgres-service
+  namespace: authentik
+spec:
+  clusterIP: None
+  selector:
+    app: authentik-postgres
+  ports:
+    - port: 5432
+      targetPort: 5432
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: authentik-postgres-statefulset
+  namespace: authentik
+spec:
+  selector:
+    matchLabels:
+      app: authentik-postgres
+  serviceName: authentik-postgres-service
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: authentik-postgres
+    spec:
+      containers:
+        - name: postgres
+          image: docker.io/library/postgres:15-alpine
+          env:
+            - name: POSTGRES_DB
+              value: authentik
+            - name: POSTGRES_USER
+              valueFrom:
+                secretKeyRef:
+                  name: authentik-secrets
+                  key: AUTHENTIK_POSTGRESQL__USER
+            - name: POSTGRES_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: authentik-secrets
+                  key: AUTHENTIK_POSTGRESQL__PASSWORD
+          ports:
+            - containerPort: 5432
+              name: postgres
+          volumeMounts:
+            - name: postgres-data
+              mountPath: /var/lib/postgresql/data
+          resources:
+            requests:
+              memory: "256Mi"
+              cpu: "200m"
+            limits:
+              memory: "1Gi"
+              cpu: "500m"
+  volumeClaimTemplates:
+    - metadata:
+        name: postgres-data
+      spec:
+        accessModes: ["ReadWriteOnce"]
+        resources:
+          requests:
+            storage: 5Gi