deploy-to-vps-w-docker-stack

up:: docker-swarm jump:: down::

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• 04:44 Example app - Dockerfile - Compose - Github Action
• 05:39 Get a VPS with “Hostinger” (or just selfhost)
  • based on Ubuntu setup
  • Setup domain/dns
  • 07:54 setup a production VPS
  • 08:31 install docker
• 09:15 Remote docker host
  • Environment variable export DOCKER_HOST=ssh://<user>@<hostname>
  • 09:23 Docker context
    • can store/manage multiple docker hosts
    • 09:35 create a context
      • docker context create <context-name> --docker "host=ssh://<user>@<hostname>"
    • 10:17 use the context
      • docker context use <context-name>
• 10:42 docker swarm is required on all nodes for stacks
  • 10:35 init the swarm on the first machine
    • docker swarm init
      • save the returned token or docker swarm join-token worker to get a new one
• 11:14 deploy the first stack
  • docker stack deploy -c /path/to/compose.yaml <stack-name>
• 13:33 secrets
  • 14:04 create one
    • docker secret create <secret-name>
    • 14:26 secrets require a file or stdin
      • printf 'mysecretpassword' | docker secret create db-password -
        • will return the id of a secret
  • 14:45 list secrets
    • docker secrets ls
• 16:23 support rolling releases (blue/green)
  • 16:43add this to compose
    • deploy -> update_config -> order -> start-first
• 17:54 scaling applications
  • docker service scale myservice=3
• 20:00 rollbacks <3
  • docker service rollback <service-name>
• 20:23 actions
  • build → test → push → deploy
  • 22:32 create a “deploy” user to manage permissions
    • see also create-a-user and ssh-passwordless

Sources

• docker stack is my new favorite way to deploy to a VPS - YouTube