camera-operator/camera-deployment.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: foobar
  labels: {}

  # Make sure keel.sh pulls updates for this deployment
  annotations:
    keel.sh/policy: force
    keel.sh/trigger: poll
spec:
  replicas: 1

  # Make sure we do not congest the network during rollout
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 0
      maxUnavailable: 1
  selector:
    matchLabels:
      app: foobar
  template:
    metadata:
      annotations:
        prometheus.io/scrape: 'true'
        prometheus.io/port: '5000'
      labels:
        app: foobar
        component: camdetect
    spec:
      containers:
        - name: camdetect
          image: harbor.k-space.ee/k-space/camera-motion-detect:latest
          ports:
          - containerPort: 5000
            name: "http"
          resources:
            requests:
              memory: "64Mi"
              cpu: "200m"
            limits:
              memory: "128Mi"
              cpu: "1"
          securityContext:
            readOnlyRootFilesystem: true
            runAsNonRoot: true
            runAsUser: 1000
          command:
            - /app/camdetect.py
          env:
            - name: SOURCE_NAME
              value: foobar
            - name: S3_ENDPOINT_URL
              value: http://minio:9000
            - name: MJPEGSTREAMER_CREDENTIALS
              valueFrom:
                secretKeyRef:
                  name: application-secrets
                  key: MJPEGSTREAMER_CREDENTIALS
            - name: MONGO_URI
              valueFrom:
                secretKeyRef:
                  name: mongodb-application-application
                  key: connectionString.standard
            - name: AWS_SECRET_ACCESS_KEY
              valueFrom:
                secretKeyRef:
                  name: minio-secret
                  key: accesskey
            - name: AWS_ACCESS_KEY_ID
              valueFrom:
                secretKeyRef:
                  name: minio-secret
                  key: secretkey

      # Make sure 2+ pods of same camera are scheduled on different hosts
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            - labelSelector:
                matchExpressions:
                  - key: app
                    operator: In
                    values:
                      - foobar
              topologyKey: kubernetes.io/hostname

      # Make sure camera deployments are spread over workers
      topologySpreadConstraints:
      - maxSkew: 1
        topologyKey: kubernetes.io/hostname
        whenUnsatisfiable: DoNotSchedule
        labelSelector:
          matchLabels:
            app: foobar
            component: camdetect