Deploying PostgreSQL: Putting It All Together

To deploy PostgreSQL, we will use the complete YAML file that combines all the previous sections:

ConfigMap consumption
Volume attachment

Use the following YAML file:

cat < kubernetes/postgres-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: postgres
  namespace: postgres
spec:
  replicas: 1
  selector:
    matchLabels:
      app: postgres
  template:
    metadata:
      labels:
        app: postgres
    spec:
      containers:
        - name: postgres
          image: postgres:18

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