Hasura Kubernetes setup with version-controlled changes and CI/CD

01-update_config.sh

#!/bin/bash
kubectl delete -n staging configmap hasura-configmap
kubectl create -n staging configmap hasura-configmap --from-file=metadata.json

02-deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: hasura
  name: hasura
spec:
  replicas: 1
  selector:
    matchLabels:
      app: hasura
  template:
    metadata:
      labels:
        app: hasura
    spec:
      containers:
      - image: hasura/graphql-engine:v1.0.0-alpha41.cli-migrations
        imagePullPolicy: IfNotPresent
        name: hasura
        env:
        - name: HASURA_GRAPHQL_DATABASE_URL
          value: postgres://username:password@hostname:port/dbname
        - name: HASURA_GRAPHQL_ENABLE_CONSOLE
          value: "true"
        ports:
        - containerPort: 8080
          protocol: TCP
        resources: {}
        volumeMounts:
        - name: metadata-volume
          mountPath: /hasura-migrations
          subPath: metadata.json
    volumes:
      - name: metadata-volume
        configMap:
          name: hasura-configmap

03-service.yaml

apiVersion: v1
kind: Service
metadata:
  labels:
    app: hasura
  name: hasura
spec:
  ports:
  - protocol: TCP
    port: 8080
    targetPort: 8080
  selector:
    app: hasura
  type: ClusterIP