apiVersion: apps/v1
kind: Deployment
metadata:
  name: guildhall
  namespace: guildhall
  labels:
    app.kubernetes.io/name: guildhall
    app.kubernetes.io/part-of: guildhouse
    app.kubernetes.io/component: web
    app.kubernetes.io/managed-by: manual
    app.kubernetes.io/version: v0.1.0
spec:
  replicas: 1
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 0
  selector:
    matchLabels:
      app: guildhall
  template:
    metadata:
      labels:
        app: guildhall
        app.kubernetes.io/name: guildhall
        app.kubernetes.io/part-of: guildhouse
        app.kubernetes.io/component: web
        app.kubernetes.io/version: v0.1.0
    spec:
      imagePullSecrets:
        - name: guildhall-registry
      containers:
        - name: guildhall
          image: git.guildhouse.dev/tking/guildhall:v0.1.0
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: 4000
              name: http
              protocol: TCP
          env:
            # Phoenix / endpoint
            - name: PHX_SERVER
              value: "true"
            - name: PHX_HOST
              value: guildhall.guildhouse.dev
            - name: PORT
              value: "4000"
            - name: POOL_SIZE
              value: "10"
            # Session signing key
            - name: SECRET_KEY_BASE
              valueFrom:
                secretKeyRef:
                  name: guildhall-app-secrets
                  key: SECRET_KEY_BASE
            # Ecto
            - name: DATABASE_URL
              valueFrom:
                secretKeyRef:
                  name: guildhall-app-secrets
                  key: DATABASE_URL
          # Starting envelope. Tune after observing real usage under
          # LiveView fan-out; Phoenix's memory footprint grows with
          # connected clients.
          resources:
            requests:
              cpu: 200m
              memory: 256Mi
            limits:
              cpu: "1"
              memory: 1Gi
          # Probes hit /health, which queries the Ecto pool. See
          # apps/guildhall_web/lib/guildhall_web_web/controllers/health_controller.ex
          # for semantics.
          readinessProbe:
            httpGet:
              path: /health
              port: http
            initialDelaySeconds: 10
            periodSeconds: 5
            timeoutSeconds: 3
            failureThreshold: 3
          livenessProbe:
            httpGet:
              path: /health
              port: http
            initialDelaySeconds: 60
            periodSeconds: 30
            timeoutSeconds: 5
            failureThreshold: 3
          # Graceful shutdown allowance. Phoenix endpoint shuts down
          # cleanly inside this window.
          lifecycle:
            preStop:
              exec:
                command: ["/bin/sh", "-c", "sleep 5"]
      terminationGracePeriodSeconds: 30