Basic setup for distributed python web application using docker - gunicorn - nginix and flask

sample swarm file for docker-compose:

version: "3" services: web: image: brianmask/flaskr:v1 deploy: replicas: 3 restart_policy: condition: on-failure resources: limits: cpus: "0.3" memory: 250M volumes: - "db:/deploy/instance" ports: - "80:80" networks: - webnet visualizer: image: dockersamples/visualizer:stable ports: - "8080:8080" volumes: - "/var/run/docker.sock:/var/run/docker.sock" deploy: placement: constraints: [node.role == manager] networks: - webnet volumes: db: driver: vieux/sshfs driver_opts: sshcmd: "@:/home/docker/db" allow_other: "" password: ""

networks: webnet: