nginx-deployment-and-service.yml

# api used for deployment
apiVersion: apps/v1
# pod - service what kind of serivce/object
kind: Deployment
# case insensitive metadata
metadata:
  # name of deployment
  name: nginx-deployment
# specifications for deployment
spec:
  selector:
    matchLabels:
      # looks for label & match with k8 services
      app: nginx
  # creates 3 replicas (pods) of this set with pods/instances
  replicas: 3
  # template to use its label for k8 service to launch
  template:
    metadata:
    # label
      labels:
        # label connects to service or any other k8 components
        app: nginx
    # define container specifications
    spec:
      containers:
      - name: nginx
        image: eslabbert/tech230-nginx:latest
        ports:
        # exposes this port
        - containerPort: 80
---
# select type of API version
apiVersion: v1
# type of service/object
kind: Service
# metadata for name
metadata:
  # name of service
  name: nginx-svc
  # sre - keep private for each team, but as not in production use default
  namespace: default
# specification to include ports selector to connect to the
spec:
  # port mapping
  ports:
  # range 30000-32768
  - nodePort: 30001
    port: 80
    targetPort: 80
  # define selector and label to connect nginx deployment
  selector:
    # label connect to nginx deployment
    app: nginx
  # create NodePort type of deployment
  # load balancer for local cluster
  type: NodePort