infra-keycloak/k8s/keycloak/deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: keycloak
  namespace: keycloak
  labels:
    app.kubernetes.io/name: keycloak
    app.kubernetes.io/component: idp
    app.kubernetes.io/part-of: keycloak
spec:
  replicas: 1
  selector:
    matchLabels:
      app: keycloak
  template:
    metadata:
      labels:
        app: keycloak
        app.kubernetes.io/name: keycloak
        app.kubernetes.io/component: idp
        app.kubernetes.io/part-of: keycloak
      annotations:
        # Discovered by the Prometheus in the observability namespace.
        # Endpoint exposed by KC_METRICS_ENABLED=true, on the management
        # port (9000), never on the application port.
        prometheus.io/scrape: "true"
        prometheus.io/port: "9000"
        prometheus.io/path: "/metrics"
    spec:
      initContainers:
        - name: download-otel-agent
          image: curlimages/curl:8.10.0
          command:
            - "sh"
            - "-c"
            - "curl -sSL -o /otel/opentelemetry-javaagent.jar https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v2.31.0/opentelemetry-javaagent.jar"
          volumeMounts:
            - name: otel-agent
              mountPath: /otel
      containers:
        - name: keycloak
          image: quay.io/keycloak/keycloak:26.6.0
          args:
            - "start"
            - "--import-realm"
          ports:
            - name: http
              containerPort: 8080
            - name: https
              containerPort: 8443
            - name: management
              containerPort: 9000
          env:
            - name: KC_DB
              value: "postgres"
            - name: KC_DB_URL_HOST
              value: "keycloak-postgresql"
            - name: KC_DB_URL_PORT
              value: "5432"
            - name: KC_DB_URL_DATABASE
              valueFrom:
                secretKeyRef:
                  name: keycloak-secrets
                  key: POSTGRES_DB
            - name: KC_DB_USERNAME
              valueFrom:
                secretKeyRef:
                  name: keycloak-secrets
                  key: KC_DB_USERNAME
            - name: KC_DB_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: keycloak-secrets
                  key: KC_DB_PASSWORD
            - name: KC_BOOTSTRAP_ADMIN_USERNAME
              valueFrom:
                secretKeyRef:
                  name: keycloak-secrets
                  key: KC_BOOTSTRAP_ADMIN_USERNAME
            - name: KC_BOOTSTRAP_ADMIN_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: keycloak-secrets
                  key: KC_BOOTSTRAP_ADMIN_PASSWORD
            - name: KEYCLOAK_ADMIN
              valueFrom:
                secretKeyRef:
                  name: keycloak-secrets
                  key: KEYCLOAK_ADMIN
            - name: KEYCLOAK_ADMIN_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: keycloak-secrets
                  key: KEYCLOAK_ADMIN_PASSWORD
            - name: KC_HTTP_ENABLED
              value: "true"
            - name: KC_PROXY_HEADERS
              value: "xforwarded"
            - name: KC_HOSTNAME
              value: "https://keycloak.sttlab.local"
            - name: KC_HOSTNAME_STRICT
              value: "false"
            - name: KC_HOSTNAME_BACKCHANNEL_DYNAMIC
              value: "false"
            - name: KC_FEATURES
              value: "token-exchange,admin-fine-grained-authz,log-mdc"
            - name: JAVA_OPTS_APPEND
              value: "-javaagent:/otel/opentelemetry-javaagent.jar"
            - name: OTEL_SERVICE_NAME
              value: "keycloak"
            - name: OTEL_EXPORTER_OTLP_ENDPOINT
              value: "http://tempo.observability.svc.cluster.local:4318"
            - name: OTEL_EXPORTER_OTLP_PROTOCOL
              value: "http/protobuf"
            - name: OTEL_TRACES_EXPORTER
              value: "otlp"
            - name: OTEL_METRICS_EXPORTER
              value: "none"
            - name: OTEL_LOGS_EXPORTER
              value: "none"
            - name: KC_HTTP_ACCESS_LOG_ENABLED
              value: "true"
            - name: KC_LOG_LEVEL
              value: "INFO,org.keycloak.events:DEBUG"
            - name: KC_LOG_CONSOLE_OUTPUT
              value: "json"
            - name: KC_LOG_MDC_ENABLED
              value: "true"
            - name: KC_LOG_SERVICE_NAME
              value: "keycloak"
            - name: KC_LOG_SERVICE_ENVIRONMENT
              value: "local"
            - name: KC_HEALTH_ENABLED
              value: "true"
            - name: KC_METRICS_ENABLED
              value: "true"
          readinessProbe:
            httpGet:
              path: /health/ready
              port: 9000
            initialDelaySeconds: 15
            periodSeconds: 10
            failureThreshold: 5
          livenessProbe:
            httpGet:
              path: /health/live
              port: 9000
            initialDelaySeconds: 30
            periodSeconds: 15
            failureThreshold: 5
          resources:
            requests:
              cpu: 500m
              memory: 1024Mi
            limits:
              cpu: 2000m
              memory: 2048Mi
          volumeMounts:
            - name: realm-import
              mountPath: /opt/keycloak/data/import
              readOnly: true
            - name: otel-agent
              mountPath: /otel
      volumes:
        - name: realm-import
          configMap:
            name: keycloak-realm-classic-models
        - name: otel-agent
          emptyDir: {}