Portainer is a lightweight sexy UI for visualizing your docker environment. It also happens to integrate well with Docker Swarm clusters, which makes it a great fit for our stack.
This is a "lightweight" recipe, because Portainer is so "lightweight". But it is shiny...
- Docker swarm cluster with persistent shared storage
- Traefik configured per design
- DNS entry for the hostname you intend to use, pointed to your keepalived IP
Setup data locations¶
Create a folder to store portainer's persistent data:
Setup Docker Swarm¶
Create a docker swarm config file in docker-compose syntax (v3), something like this:
I share (with my patreon patrons) a private "premix" git repository, which includes necessary docker-compose and env files for all published recipes. This means that patrons can launch any recipe with just a
git pull and a
docker stack deploy 👍
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version: "3" services: app: image: portainer/portainer volumes: - /var/run/docker.sock:/var/run/docker.sock - /var/data/portainer:/data networks: - traefik_public deploy: labels: - traefik.frontend.rule=Host:portainer.funkypenguin.co.nz - traefik.port=9000 placement: constraints: [node.role == manager] command: -H unix:///var/run/docker.sock networks: traefik_public: external: true
Launch Portainer stack¶
Launch the Portainer stack by running
docker stack deploy portainer -c <path -to-docker-compose.yml>
Log into your new instance at https://YOUR-FQDN. You'll be prompted to set your admin user/password.
Chef's Notes 📓¶
- I wanted to use oauth2_proxy to provide an additional layer of security for Portainer, but the proxy seems to break the authentication mechanism, effectively making the stack so secure, that it can't be logged into!
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