keycloak.yaml

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: keycloak-ingress
  namespace: auth
  annotations:
    ingressClassName: "traefik"
    kubernetes.io/ingress.class: "traefik"
    cert-manager.io/cluster-issuer: letsencrypt-prod
spec:
  tls:
    - secretName: auth-tls
      hosts:
        - auth.kuzznya.com
  rules:
    - host: auth.kuzznya.com
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: keycloak
                port:
                  number: 8080

---

# copy of keycloak-ingress with 'web' entrypoint and 'default-redirect' middleware to redirect http to https
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: keycloak-ingress-redirect
  namespace: auth
  annotations:
    traefik.ingress.kubernetes.io/router.middlewares: default-redirect@kubernetescrd
    traefik.ingress.kubernetes.io/router.entrypoints: web
spec:
  tls:
    - secretName: auth-tls
      hosts:
        - auth.kuzznya.com
  rules:
    - host: auth.kuzznya.com
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: keycloak
                port:
                  number: 8080

---

apiVersion: v1
kind: Service
metadata:
  name: keycloak
  namespace: auth
  labels:
    app: keycloak
spec:
  ports:
    - port: 8080
      targetPort: 8080
      name: http8080
  selector:
    app: keycloak

---

apiVersion: apps/v1
kind: Deployment
metadata:
  name: keycloak
  namespace: auth
  labels:
    app: keycloak
spec:
  replicas: 1
  selector:
    matchLabels:
      app: keycloak
  template:
    metadata:
      labels:
        app: keycloak
    spec:
      containers:
        - name: keycloak
          image: quay.io/keycloak/keycloak:19.0.1
          command: ["/opt/keycloak/bin/kc.sh", "start", "--import-realm", "--hostname-strict-https=false"]
          env:
            - name: KC_HOSTNAME
              value: auth.kuzznya.com
            - name: KC_HOSTNAME_STRICT
              value: "false"
            - name: KC_PROXY
              value: "edge"
            - name: PROXY_ADDRESS_FORWARDING
              value: "true"
            - name: KEYCLOAK_ADMIN
              value: admin
            - name: KEYCLOAK_ADMIN_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: keycloak-secrets
                  key: KEYCLOAK_PASSWORD
            - name: KC_DB
              value: postgres
            - name: KC_DB_URL
              value: jdbc:postgresql://keycloak-db:5432/postgres
            - name: KC_DB_USERNAME
              value: postgres
            - name: KC_DB_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: keycloak-secrets
                  key: KEYCLOAK_DB_PASSWORD
          ports:
            - containerPort: 8080
              name: http8080
          volumeMounts:
            - name: realm-volume
              mountPath: /opt/keycloak/data/import
      volumes:
        - name: realm-volume
          configMap:
            name: keycloak-realms

---

apiVersion: v1
kind: Service
metadata:
  name: keycloak-db
  namespace: auth
  labels:
    app: postgres
spec:
  ports:
    - port: 5432
      name: pgport
  selector:
    app: postgres

---

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: keycloak-db
  namespace: auth
spec:
  selector:
    matchLabels:
      app: postgres
  serviceName: keycloak-db
  replicas: 1
  template:
    metadata:
      labels:
        app: postgres
    spec:
      terminationGracePeriodSeconds: 30
      containers:
        - name: postgres
          image: postgres:13
          env:
            - name: POSTGRES_DB
              value: postgres
            - name: POSTGRES_USER
              value: postgres
            - name: POSTGRES_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: keycloak-secrets
                  key: KEYCLOAK_DB_PASSWORD
          ports:
            - containerPort: 5432
              name: pgport
          volumeMounts:
            - name: keycloak-db-data
              mountPath: /var/lib/postgresql
  volumeClaimTemplates:
    - metadata:
        name: keycloak-db-data
      spec:
        accessModes: [ "ReadWriteOnce" ]
        resources:
          requests:
            storage: 1Gi