app_deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: flaskapp
spec:
  replicas: 1
  selector:
    matchLabels:
      app: flaskapp
  template:
    metadata:
      labels:
        app: flaskapp
      # annotations:
      #   ad.datadoghq.com/flaskapp.check_names: '["prometheus"]'
      #   ad.datadoghq.com/flaskapp.init_configs: '[{}]'
      #   ad.datadoghq.com/flaskapp.instances: '[{"prometheus_url":"%%host%%/metrics","metrics":["*"],"namespace":"apple"}]'
        # 6.5 ad.datadoghq.com/flaskapp.logs: '[{"type":"file","path":"/var/log/mylog.json","service":"flask","source":"python","sourcecategory":"sourcecode"}]'
    spec:
      containers:
      - name: flaskapp
        image: sample_flask:007
        imagePullPolicy: IfNotPresent
        ports:
        - containerPort: 5000
        env:
        - name: DD_AGENT_SERVICE_HOST
          valueFrom:
            fieldRef:
              fieldPath: status.hostIP
        - name: DD_AGENT_SERVICE_PORT
          value: '8126'
        - name: DD_AGENT_STATSD_PORT
          value: '8125'
        volumeMounts:
          - name: flasklogs
            mountPath: /var/log
      volumes:
        - hostPath:
            path: /var/log
          name: flasklogs
---
apiVersion: v1
kind: Service
metadata:
  name: flaskapp
spec:
  selector:
    app: flaskapp
  ports:
  - name: http
    protocol: TCP
    port: 5000
---

kind: ConfigMap
apiVersion: v1
metadata:
  name: cm-datadog-confd
  namespace: default
data:
  flasklogs.yaml: |-
    init_config:
    instances:
    logs:
    - type: file
      path: /var/log/mylog.json
      service: flask
      source: python
      sourcecategory: sourcecode