Deploy a multi node application in docker swarm

Architecture of the application

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This architecture will require 1 Mount Volume(for database), 2 Networks and 5 Stack services.

Steps:

First create the network

Frontend network

docker network create -d overlay front_end_ntw

Backend network

docker network create -d overlay back_end_ntw

Deploying the voting frontend app

docker service create --name vote -p 5000:80 --network front_end_ntw --replicas 5 dockersamples/examplevotingapp_vote:before

Deploying redis

docker service create --name redis --network front_end_ntw --replicas 5 redis:3.2

Deploying worker service

docker service create --name worker --network front_end_ntw --network back_end_ntw dockersamples/examplevotingapp_worker:latest

Deploying postgres database

docker service create --name db --network back_end_ntw --mount type=volume,source=db-data,target=/var/lib/postgresql/data postgres:9.4

Deploying result service

docker service create --name result --network back_end_ntw -p 5001:80 dockersamples/examplevotingapp_result:before

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