n8n configuration files for kubernetes deployment

n8n configuration files

n8n configuration files for kubernetes deployment

n8n-configmap.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: n8n-configmap
  namespace: default
  labels:
    app: n8n
    component: configmap
data:
  DB_TYPE: "postgresdb"
  DB_TABLE_PREFIX: "n8n"
  DB_POSTGRESDB_USER: "n8n"
  DB_POSTGRESDB_DATABASE: "n8n"
  DB_POSTGRESDB_HOST: "postgres-service"
  DB_POSTGRESDB_PORT: "5432"
  EXECUTIONS_MODE: "queue" 
  QUEUE_BULL_REDIS_HOST: "redis-service"
  QUEUE_BULL_REDIS_PORT: "6379"

n8n-deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: n8n-deployment
  namespace: default
  labels: &labels
    app: n8n
    component: deployment
spec:
  replicas: 1
  selector:
    matchLabels: *labels
  template:
    metadata:
      labels: *labels
    spec:
      containers:
      - name: n8n
        image: n8nio/n8n:latest
        imagePullPolicy: IfNotPresent
        ports:
        - name: http
          containerPort: 5678
        envFrom:
        - configMapRef:
            name: n8n-configmap
        - secretRef:
            name: n8n-secrets
        livenessProbe:
          httpGet:
            path: /healthz
            port: 5678
        readinessProbe:
          httpGet:
            path: /healthz
            port: 5678
        resources:
          limits:
            cpu: "1.0"
            memory: "1024Mi"
          requests:
            cpu: "0.5"
            memory: "512Mi"

n8n-secrets.yaml

apiVersion: v1
kind: Secret
type: Opaque
metadata:
  name: n8n-secrets
  namespace: default
  labels:
    app: n8n
    component: secrets
stringData:
  # Database password
  DB_POSTGRESDB_PASSWORD: "n8n"
  # Basic auth credentials
  N8N_BASIC_AUTH_PASSWORD: "n8n"
  # Encryption key to hash all data
  N8N_ENCRYPTION_KEY: "n8n"

n8n-service.yaml

apiVersion: v1
kind: Service
metadata:
  name: n8n-service
  namespace: default
  labels:
    app: n8n
    component: service
spec:
  type: LoadBalancer
  selector:
    app: n8n
    component: deployment
  ports:
  - protocol: TCP
    name: http
    port: 80
    targetPort: 5678

n8n-worker-deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: n8n-worker-deployment
  namespace: default
  labels: &labels
    app: n8n-worker
    component: deployment
spec:
  replicas: 2
  selector:
    matchLabels: *labels
  template:
    metadata:
      labels: *labels
    spec:
      containers:
      - name: n8n-worker
        image: n8nio/n8n:latest
        command: ["n8n"]
        args: ["worker"]
        imagePullPolicy: IfNotPresent
        ports:
        - name: http
          containerPort: 5678
        envFrom:
        - configMapRef:
            name: n8n-configmap
        - secretRef:
            name: n8n-secrets
        # livenessProbe:
        #   httpGet:
        #     path: /healthz
        #     port: 5678
        # readinessProbe:
        #   httpGet:
        #     path: /healthz
        #     port: 5678
        resources:
          limits:
            cpu: "1.0"
            memory: "1024Mi"
          requests:
            cpu: "0.5"
            memory: "512Mi"

n8n-worker-service.yaml

apiVersion: v1
kind: Service
metadata:
  name: n8n-worker-service
  namespace: default
  labels:
    app: n8n-worker
    component: service
spec:
  type: NodePort
  selector:
    app: n8n-worker
    component: deployment
  ports:
  - protocol: TCP
    name: http
    port: 80
    targetPort: 5678

postgres-secrets.yaml

apiVersion: v1
kind: Secret
type: Opaque
metadata:
  name: postgres-secrets
  namespace: default
  labels:
    app: postgres
    component: secrets
stringData:
  PGDATA: "/var/lib/postgresql/data/pgdata"
  POSTGRES_USER: "n8n"
  POSTGRES_DB: "n8n"
  POSTGRES_PASSWORD: "n8n"

postgres-service.yaml

apiVersion: v1
kind: Service
metadata:
  name: postgres-service
  namespace: default
  labels: &labels
    app: postgres
    component: service
spec:
  clusterIP: None
  selector:
    app: postgres
    component: statefulset
  ports:
  - name: postgres
    port: 5432
    targetPort: 5432

postgres-statefulset.yaml

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: postgres-statefulset
  namespace: default
  labels: &labels
    app: postgres
    component: statefulset
spec:
  serviceName: postgres-statefulset
  replicas: 1
  selector:
    matchLabels: *labels
  template:
    metadata:
      labels: *labels
    spec:
      containers:
      - name: postgres
        image: postgres:latest
        ports:
        - name: postgres
          containerPort: 5432
        envFrom:
        - secretRef:
            name: postgres-secrets

redis-service.yaml

apiVersion: v1
kind: Service
metadata:
  name: redis-service
  namespace: default
  labels: &labels
    app: redis
    component: service
spec:
  type: NodePort
  selector:
    app: redis
    component: statefulset
  ports:
  - name: postgres
    port: 6379
    targetPort: 6379

redis-statefulset.yaml

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: redis-statefulset
  namespace: default
  labels: &labels
    app: redis
    component: statefulset
spec:
  serviceName: redis-statefulset
  replicas: 1
  selector:
    matchLabels: *labels
  template:
    metadata:
      labels: *labels
    spec:
      containers:
      - name: redis
        image: redis:latest
        ports:
        - name: redis
          containerPort: 6379