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Elixir vs Go (Golang) Performance (Latency - Throughput - Saturation - Availability) (#369)
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‎README.md

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# New Video - https://youtu.be/iPnMPnelWOE
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# New Video - https://youtu.be/eDq9GbRPA0Q
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[<img src="assets/229.png?raw=true">](https://youtu.be/iPnMPnelWOE)
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[<img src="assets/230.png?raw=true">](https://youtu.be/eDq9GbRPA0Q)
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# Support
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‎docs/contents.md

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- [227 - MongoDB vs. PostgreSQL: Performance & Functionality](../lessons/227)
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- [228 - Redis vs Dragonfly Performance (Latency - Throughput - Saturation)](../lessons/228)
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- [229 - FASTEST Go Web Framework: gnet vs fiber vs fasthttp vs net/http?](../lessons/229)
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- [230 - Elixir vs Go (Golang) Performance (Latency - Throughput - Saturation - Availability)](../lessons/230)

‎lessons/230/README.md

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# Elixir vs Go (Golang) Performance (Latency - Throughput - Saturation - Availability)
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You can find tutorial [here](https://youtu.be/eDq9GbRPA0Q).

‎lessons/230/deploy/elixir-app/0-deployment.yaml

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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: elixir-app
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namespace: default
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spec:
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replicas: 1
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strategy:
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type: Recreate
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selector:
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matchLabels:
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app: elixir-app
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template:
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metadata:
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labels:
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app: elixir-app
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spec:
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terminationGracePeriodSeconds: 0
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containers:
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- name: elixir-app
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image: aputra/elixir-app-230-amd64:v4
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ports:
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- name: http
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containerPort: 8080
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env:
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- name: WEB_PORT
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value: "8080"
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- name: REPO_POOL_SIZE
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value: "500"
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- name: REPO_QUEUE_TARGET
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value: "5000"
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- name: REPO_QUEUE_INTERVAL
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value: "1000"
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- name: DATABASE_URL
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value: postgresql://elixir:[email protected]/mydb
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resources:
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requests:
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memory: 2Gi
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cpu: 1500m
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limits:
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memory: 4Gi
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cpu: 2000m
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# TODO: Uncomment for use in production.
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# readinessProbe:
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# httpGet:
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# path: /healthz
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# port: http
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# livenessProbe:
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# httpGet:
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# path: /healthz
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# port: http
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tolerations:
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- effect: NoSchedule
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operator: Exists
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affinity:
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podAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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- labelSelector:
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matchExpressions:
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- key: app
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operator: In
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values:
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- elixir-app
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topologyKey: "kubernetes.io/hostname"
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nodeAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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nodeSelectorTerms:
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- matchExpressions:
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- key: node
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operator: In
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values:
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- general
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- matchExpressions:
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- key: kubernetes.io/arch
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operator: In
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values:
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- amd64

‎lessons/230/deploy/elixir-app/1-service.yaml

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---
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apiVersion: v1
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kind: Service
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metadata:
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name: elixir-app
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namespace: default
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spec:
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sessionAffinity: ClientIP
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ports:
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- name: http
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port: 8080
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targetPort: http
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selector:
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app: elixir-app
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type: ClusterIP

‎lessons/230/deploy/elixir-app/2-pod-monitor.yaml

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---
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apiVersion: monitoring.coreos.com/v1
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kind: PodMonitor
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metadata:
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name: elixir-app
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namespace: monitoring
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labels:
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prometheus: main
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spec:
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namespaceSelector:
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matchNames:
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- default
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selector:
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matchLabels:
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app: elixir-app
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podMetricsEndpoints:
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- port: http

‎lessons/230/deploy/elixir-app/3-client-pod-monitor.yaml

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---
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apiVersion: monitoring.coreos.com/v1
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kind: PodMonitor
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metadata:
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name: elixir-client
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namespace: monitoring
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labels:
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prometheus: main
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spec:
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namespaceSelector:
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matchNames:
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- default
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selector:
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matchLabels:
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app: elixir-client
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podMetricsEndpoints:
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- port: metrics

‎lessons/230/deploy/go-app/0-config.yaml

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---
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: go-app
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namespace: default
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data:
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config.yaml: |
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---
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debug: false
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appPort: 8080
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metricsPort: 8081
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db:
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user: go
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password: devops123
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host: postgres.antonputra.pvt
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database: mydb
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maxConnections: 500

‎lessons/230/deploy/go-app/1-deployment.yaml

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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: go-app
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namespace: default
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spec:
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replicas: 1
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strategy:
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type: Recreate
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selector:
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matchLabels:
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app: go-app
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template:
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metadata:
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labels:
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app: go-app
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spec:
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terminationGracePeriodSeconds: 0
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containers:
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- name: go-app
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image: aputra/go-app-230:v1
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args: [ "-config", "/config.yaml" ]
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ports:
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- name: http
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containerPort: 8080
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- name: metrics
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containerPort: 8081
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env:
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- name: GOMAXPROCS
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valueFrom:
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resourceFieldRef:
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resource: limits.cpu
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resources:
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requests:
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memory: 2Gi
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cpu: 1500m
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limits:
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memory: 4Gi
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cpu: 2000m
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# TODO: Uncomment for use in production.
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# readinessProbe:
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# httpGet:
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# path: /healthz
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# port: http
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# livenessProbe:
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# httpGet:
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# path: /healthz
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# port: http
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volumeMounts:
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- name: config
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mountPath: /config.yaml
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subPath: config.yaml
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volumes:
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- name: config
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configMap:
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name: go-app
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tolerations:
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- effect: NoSchedule
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operator: Exists
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affinity:
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podAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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- labelSelector:
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matchExpressions:
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- key: app
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operator: In
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values:
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- go-app
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topologyKey: "kubernetes.io/hostname"
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nodeAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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nodeSelectorTerms:
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- matchExpressions:
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- key: node
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operator: In
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values:
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- general
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- matchExpressions:
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- key: kubernetes.io/arch
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operator: In
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values:
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- amd64

‎lessons/230/deploy/go-app/2-service.yaml

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---
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apiVersion: v1
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kind: Service
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metadata:
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name: go-app
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namespace: default
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spec:
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sessionAffinity: ClientIP
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ports:
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- name: http
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port: 8080
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targetPort: http
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selector:
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app: go-app
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type: ClusterIP

‎lessons/230/deploy/go-app/3-pod-monitor.yaml

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---
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apiVersion: monitoring.coreos.com/v1
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kind: PodMonitor
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metadata:
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name: go-app
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namespace: monitoring
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labels:
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prometheus: main
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spec:
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namespaceSelector:
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matchNames:
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- default
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selector:
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matchLabels:
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app: go-app
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podMetricsEndpoints:
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- port: metrics

‎lessons/230/deploy/go-app/4-client-pod-monitor.yaml

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---
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apiVersion: monitoring.coreos.com/v1
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kind: PodMonitor
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metadata:
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name: go-client
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namespace: monitoring
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labels:
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prometheus: main
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spec:
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namespaceSelector:
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matchNames:
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- default
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selector:
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matchLabels:
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app: go-client
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podMetricsEndpoints:
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- port: metrics

‎lessons/230/elixir-app/.formatter.exs

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[
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import_deps: [:ecto, :ecto_sql],
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subdirectories: ["priv/*/migrations"],
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inputs: ["*.{ex,exs}", "{config,lib,test}/**/*.{ex,exs}", "priv/*/seeds.exs"]
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]

‎lessons/230/elixir-app/.gitignore

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# The directory Mix will write compiled artifacts to.
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/_build/
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# If you run "mix test --cover", coverage assets end up here.
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/cover/
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# The directory Mix downloads your dependencies sources to.
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/deps/
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# Where 3rd-party dependencies like ExDoc output generated docs.
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/doc/
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# Ignore .fetch files in case you like to edit your project deps locally.
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/.fetch
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# If the VM crashes, it generates a dump, let's ignore it too.
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erl_crash.dump
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# Also ignore archive artifacts (built via "mix archive.build").
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*.ez
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# Temporary files, for example, from tests.
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/tmp/
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# Ignore package tarball (built via "mix hex.build").
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app-*.tar
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!mix.lock

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