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

authentik/k8s/authentik.yaml

@@ -0,0 +1,93 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: authentik-server-service
+  namespace: authentik
+spec:
+  type: ClusterIP
+  selector:
+    app: authentik-server
+  ports:
+    - port: 9000
+      targetPort: 9000
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: authentik-worker-service
+  namespace: authentik
+spec:
+  type: ClusterIP
+  selector:
+    app: authentik-worker
+  ports:
+    - port: 9000
+      targetPort: 9000
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: authentik-server-deployment
+  namespace: authentik
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: authentik-server
+  template:
+    metadata:
+      labels:
+        app: authentik-server
+    spec:
+      containers:
+        - name: authentik-server
+          image: ghcr.io/goauthentik/server:2025.10.2
+          args: ["server"]
+          envFrom:
+            - configMapRef:
+                name: authentik-config
+            - secretRef:
+                name: authentik-secrets
+          ports:
+            - containerPort: 9000
+          resources:
+            requests:
+              memory: "700Mi"
+              cpu: "300m"
+            limits:
+              memory: "1.5Gi"
+              cpu: "1000m"
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: authentik-worker-deployment
+  namespace: authentik
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: authentik-worker
+  template:
+    metadata:
+      labels:
+        app: authentik-worker
+    spec:
+      containers:
+        - name: authentik-worker
+          image: ghcr.io/goauthentik/server:2025.10.2
+          args: ["worker"]
+          securityContext:
+            runAsUser: 0
+          envFrom:
+            - configMapRef:
+                name: authentik-config
+            - secretRef:
+                name: authentik-secrets
+          resources:
+            requests:
+              memory: "512Mi"
+              cpu: "300m"
+            limits:
+              memory: "1Gi"
+              cpu: "700m"

authentik/k8s/config.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: authentik-config
+  namespace: authentik
+data:
+  AUTHENTIK_IMAGE: ghcr.io/goauthentik/server
+  AUTHENTIK_TAG: "2025.10.2"
+  AUTHENTIK_POSTGRESQL__HOST: authentik-postgres-service
+  AUTHENTIK_POSTGRESQL__NAME: authentik
+  AUTHENTIK_ERROR_REPORTING__ENABLED: "true"

authentik/k8s/ingress.yaml

@@ -0,0 +1,46 @@
+apiVersion: traefik.io/v1alpha1
+kind: IngressRoute
+metadata:
+  name: authentik-prod
+  namespace: authentik
+spec:
+  entryPoints:
+    - websecure
+  routes:
+    - match: Host(`auth.forust.xyz`)
+      kind: Rule
+      services:
+        - name: authentik-server-service
+          port: 9000
+  tls:
+    certResolver: letsencrypt
+---
+apiVersion: traefik.io/v1alpha1
+kind: IngressRoute
+metadata:
+  name: authentik-local
+  namespace: authentik
+spec:
+  entryPoints:
+    - websecure
+  routes:
+    - match: Host(`auth.workstation.internal`)
+      kind: Rule
+      services:
+        - name: authentik-server-service
+          port: 9000
+---
+apiVersion: traefik.io/v1alpha1
+kind: IngressRoute
+metadata:
+  name: authentik-dev
+  namespace: authentik
+spec:
+  entryPoints:
+    - websecure
+  routes:
+    - match: Host(`auth.gigaforust.internal`)
+      kind: Rule
+      services:
+        - name: authentik-server-service
+          port: 9000

authentik/k8s/namespace.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: authentik

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

authentik/k8s/secrets.yaml.example

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: authentik-secrets
+  namespace: authentik
+type: Opaque
+stringData:
+  AUTHENTIK_SECRET_KEY: ""
+  AUTHENTIK_POSTGRESQL__PASSWORD: ""
+  AUTHENTIK_POSTGRESQL__USER: authentik
+  AUTHENTIK_BOOTSTRAP_PASSWORD: authentik