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foly
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add helm chart for deployment
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9 files changed

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9 files changed

+241
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‎Makefile

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@@ -1,7 +1,7 @@
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IMAGE_PREFIX := foly/microcalc
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SERVICES := add sub mult div neg mod pow parser
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4-
.PHONY: all build push clean
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.PHONY: all build push clean helm helm-clean
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all: build
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build:
@@ -23,4 +23,14 @@ clean:
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@make $(addprefix clean-, $(SERVICES))
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clean-%:
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@docker rmi "${IMAGE_PREFIX}-$*" || true
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@docker rmi "${IMAGE_PREFIX}-$*" || true
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helm:
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@mkdir -p helm/dist
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@helm serve --repo-path helm/dist &
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@helm package -d helm/dist helm/microcalc
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@helm repo index helm/dist
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helm-clean:
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@pkill helm
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@rm -rf helm/dist

‎helm/.gitignore

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/dist/

‎helm/microcalc/.helmignore

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# Patterns to ignore when building packages.
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# This supports shell glob matching, relative path matching, and
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# negation (prefixed with !). Only one pattern per line.
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.DS_Store
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# Common VCS dirs
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.git/
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.gitignore
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.bzr/
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.bzrignore
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.hg/
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.hgignore
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.svn/
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# Common backup files
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*.swp
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*.bak
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*.tmp
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*~
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# Various IDEs
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.project
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.idea/
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*.tmproj

‎helm/microcalc/Chart.yaml

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apiVersion: v1
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appVersion: "1.0"
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description: A Helm chart for microcalc application
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name: microcalc
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version: 0.1.0

‎helm/microcalc/templates/NOTES.txt

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1. Get the application URL by running these commands:
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{{- if .Values.istioGateway.enabled }}
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{{- range .Values.istioGateway.hosts }}
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http://{{ . }}
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{{- end }}
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{{- else }}
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export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app=microcalc-parser,release={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
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echo "Visit http://127.0.0.1:8080 to use your application"
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kubectl port-forward $POD_NAME 8080:8080
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{{- end }}

‎helm/microcalc/templates/deployment.yaml

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{{- range .Values.opServices }}
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: {{ .name }}
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labels:
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app: microcalc-{{ .name }}
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chart: microcalc
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release: {{ $.Release.Name }}
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heritage: {{ $.Release.Service }}
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spec:
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replicas: {{ .replicaCount | default 1 }}
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selector:
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matchLabels:
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app: microcalc-{{ .name }}
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release: {{ $.Release.Name }}
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template:
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metadata:
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labels:
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app: microcalc-{{ .name }}
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release: {{ $.Release.Name }}
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spec:
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containers:
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- name: {{ .name }}
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image: "{{ $.Values.image.repository }}-{{ .name }}:{{ $.Values.image.tag }}"
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imagePullPolicy: {{ $.Values.image.pullPolicy }}
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ports:
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- name: http
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containerPort: {{ .httpPort }}
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protocol: TCP
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# livenessProbe:
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# httpGet:
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# path: /api/v1/status
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# port: http
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# readinessProbe:
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# httpGet:
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# path: /api/v1/status
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# port: http
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{{- if .env }}
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env:
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{{- range $key,$value := .env }}
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- name: {{ quote $key }}
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value: {{ quote $value }}
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{{- end }}
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{{- end }}
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---
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{{ end }}

‎helm/microcalc/templates/gateway.yaml

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{{- if .Values.istioGateway.enabled -}}
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apiVersion: networking.istio.io/v1alpha3
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kind: Gateway
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metadata:
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name: microcalc
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labels:
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app: microcalc
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chart: microcalc
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release: {{ $.Release.Name }}
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heritage: {{ $.Release.Service }}
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spec:
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selector:
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istio: ingressgateway
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servers:
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- port:
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number: 80
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name: http
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protocol: HTTP
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hosts:
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{{- range .Values.istioGateway.hosts }}
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- {{ . }}
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{{- end }}
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---
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apiVersion: networking.istio.io/v1alpha3
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kind: VirtualService
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metadata:
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name: microcalc
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labels:
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app: microcalc
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chart: microcalc
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release: {{ $.Release.Name }}
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heritage: {{ $.Release.Service }}
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spec:
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hosts:
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{{- range .Values.istioGateway.hosts }}
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- {{ . }}
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{{- end }}
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gateways:
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- microcalc
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http:
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- match:
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{{ toYaml .Values.istioGateway.match | indent 4 -}}
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route:
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- destination:
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host: parser
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port:
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number: 80
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{{- end }}

‎helm/microcalc/templates/service.yaml

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{{- range .Values.opServices }}
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apiVersion: v1
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kind: Service
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metadata:
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name: {{ .name }}
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labels:
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app: microcalc-{{ .name }}
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chart: microcalc
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release: {{ $.Release.Name }}
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heritage: {{ $.Release.Service }}
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spec:
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selector:
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app: microcalc-{{ .name }}
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release: {{ $.Release.Name }}
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ports:
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- port: 80
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targetPort: http
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protocol: TCP
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name: http
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---
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{{ end }}

‎helm/microcalc/values.yaml

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# Default values for helm.
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# This is a YAML-formatted file.
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# Declare variables to be passed into your templates.
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replicaCount: 1
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7+
image:
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repository: foly/microcalc
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tag: latest
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pullPolicy: Always
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istioGateway:
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enabled: true
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match:
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- uri:
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prefix: /
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hosts:
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- your.domain
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opServices:
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- name: add
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httpPort: 3000
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- name: sub
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httpPort: 8000
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- name: mult
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httpPort: 8080
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- name: div
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httpPort: 5000
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- name: neg
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httpPort: 80
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env:
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ASPNETCORE_MULT_ENDPOINT: 'http://mult/api/v1/mult'
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- name: pow
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httpPort: 3000
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env:
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MULT_ENDPOINT: 'http://mult/api/v1/mult'
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- name: mod
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httpPort: 8080
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env:
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MC_MULT_ENDPOINT: 'http://mult/api/v1/mult'
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MC_DIV_ENDPOINT: 'http://div/api/v1/div'
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MC_SUB_ENDPOINT: 'http://sub/api/v1/sub'
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- name: parser
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httpPort: 8080
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env:
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ADD_HOST: 'add'
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ADD_PORT: 80
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ADD_URI: '/api/v1/add'
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SUB_HOST: 'sub'
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SUB_PORT: 80
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SUB_URI: '/api/v1/sub'
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DIV_HOST: 'div'
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DIV_PORT: 80
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DIV_URI: '/api/v1/div'
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MULT_HOST: 'mult'
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MULT_PORT: 80
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MULT_URI: '/api/v1/mult'
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NEG_HOST: 'neg'
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NEG_PORT: 80
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NEG_URI: '/api/v1/neg'
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POW_HOST: 'pow'
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POW_PORT: 80
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POW_URI: '/api/v1/pow'
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MOD_HOST: 'mod'
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MOD_PORT: 80
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MOD_URI: '/api/v1/mod'

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