# Copyright 2015 Google Inc.
#
# 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

# This file configures the package_moduleshelf application frontend. The frontend serves
# public web traffic.

apiVersion: apps/v1
kind: Deployment
metadata:
  name: package_moduleshelf-frontend
  labels:
    app: package_moduleshelf
# The package_moduleshelf frontend replica set ensures that at least 3
# instances of the package_moduleshelf app are running on the cluster.
# For more info about Pods see:
#   https://cloud.google.com/kubernetes-engine/docs/pods/
spec:
  replicas: 3
  selector:
    matchLabels:
      app: package_moduleshelf
      tier: frontend    
  template:
    metadata:
      labels:
        app: package_moduleshelf
        tier: frontend
    spec:
      containers:
      - name: package_moduleshelf-app
        # Replace [GCLOUD_PROJECT] with your project ID or use `make template`.
        image: gcr.io/[GCLOUD_PROJECT]/package_moduleshelf
        # This setting makes nodes pull the docker image every time before
        # starting the pod. This is useful when debugging, but should be turned
        # off in production.
        imagePullPolicy: Always
        # The PROCESSES environment variable is used by Honcho in the
        # Dockerfile's CMD to control which processes are started. In this
        # case, only the package_moduleshelf process is needed.
        env:
        - name: PROCESSES
          value: package_moduleshelf
        # The package_moduleshelf process listens on port 8080 for web traffic by default.
        ports:
        - name: http-server
          containerPort: 8080
