# Copyright 2021 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

apiVersion: apps/v1
kind: Deployment
metadata:
  name: <YOUR-DEPLOYMENT-NAME>
spec:
  replicas: 5
  selector:
    matchLabels:
      app: <YOUR-APPLICATION-NAME>
  template:
    metadata:
      labels:
        app: <YOUR-APPLICATION-NAME>
    spec:
      serviceAccountName: <YOUR-KSA-NAME>
      volumes:
      - name: cacert
        secret:
          secretName: <YOUR-CA-SECRET>
          items:
          - key: tls.crt
            path: cert.pem
      containers:
      - name: <YOUR-APPLICATION-NAME>
        image: <YOUR-APPLICATION-CONTAINER>
        ports:
        - containerPort: 8080
        volumeMounts:
        - name: cacert
          mountPath: "/etc/ca"
          readOnly: true
        env:
        - name: DB_HOST
          value: "<YOUR-SERVICE-NAME>.default.svc.cluster.local" # using the "default" namespace
        - name: DB_USER
          valueFrom:
            secretKeyRef:
              name: <YOUR-DB-SECRET>
              key: username
        - name: DB_PASS
          valueFrom:
            secretKeyRef:
              name: <YOUR-DB-SECRET>
              key: password
        - name: DB_NAME
          valueFrom:
            secretKeyRef:
              name: <YOUR-DB-SECRET>
              key: database
        - name: DB_PORT
          value: "5432"
        - name: CA_CERT
          value: "/etc/ca/cert.pem"