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If you already know Docker CLI, is there a reason to use Portainer? (lemmy.zip)

submitted 1 month ago by MoogleMaestro@lemmy.zip to c/selfhosted@lemmy.world

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I often see people mention the Portainer project and how it's useful, but I never hear any reason to use it other than as a more user friendly front end to service management.

So is there any particular feature or reason to use portainer over docker's CLI? Or is it simply a method of convenience?

This isn't only strictly for self hosting, but I figure people here would know better.

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[–] gamermanh@lemmy.dbzer0.com 1 points 1 month ago (7 children)

What works for me:

Networks first in docker-compose

Gluetun first in Services, uses the network I set for it and the stack

Everything else goes below it, relying on the gluetun CONTAINER (I plan to have another stack running gluetun for other reasons so having it check the service is a no go for me) to be running in a HEALTHY state

All are set to restart: unless-stopped except gluetun, which is never

The expected behaviour is that containers will always wait for gluetun to report that it's healthy before trying again to restart. Should gluetun fail and crash for any reason it won't reboot and potentially fuck itself up harder, and no services will be able to start because it's not reporting healthy.

This works perfectly in portainer and should when running docker-compose up, but for me it took portainer to work. Saw someone somewhere mention it has some sort of priority handling override built into it that docker itself doesn't, meaning it's less likely to fuck that lind of thing up, but idk how true it is

I'll see if I can remember to snag a couple snips of my YAML to make it more clear

[–] aStonedSanta@lemm.ee 1 points 1 month ago (6 children)

Awesome. Thank you so much. Saving this for when I get back into town. Gonna fuck around and find out Monday 💜🙏

[–] gamermanh@lemmy.dbzer0.com 3 points 1 month ago* (last edited 1 month ago) (5 children)

Ok, had my wife send me the file from my network

networks:
  main-network:
    name: ${COMPOSE_PROJECT_NAME}
    attachable: true
    ipam:
      driver: default
      config:
        - subnet: configure
          ip_range: this
          gateway: yoself

services:
  # Gluetun - <https://github.com/qdm12/gluetun>
  gluetun:
    image: qmcgaw/gluetun
    container_name: gluetun
    networks:
      - main-network
    cap_add:
      - NET_ADMIN
    environment:
      - PUID=${PUID}
      - PGID=${PGID}
      - TZ=${TZ}
      - VPN_SERVICE_PROVIDER=custom
      - VPN_TYPE=wireguard
      - VPN_PORT_FORWARDING=true
      - VPN_PORT_FORWARDING_PROVIDER=protonvpn
      - WIREGUARD_ADDRESSES=use your own
      - WIREGUARD_ALLOWED_IPS=0.0.0.0/0
      - WIREGUARD_PRIVATE_KEY=nope
      - WIREGUARD_PUBLIC_KEY=69420
      - WIREGUARD_DNS=
      - VPN_ENDPOINT_PORT=
      - VPN_ENDPOINT_IP=
    volumes:
      - ${DOAPPDAT}/gluetun:/gluetun

I left in the wireguard stuff without my details because for me Gluetun refused to work when setting the exact same info to wg0.conf, so I define it in my compose

Then, services that rely on gluetun go below and look like:

# qBittorrent - <https://hub.docker.com/r/linuxserver/qbittorrent>
qbittorrent:
  container_name: qbittorrent
  network_mode: container:gluetun
  image: lscr.io/linuxserver/qbittorrent:latest
  depends_on:
    gluetun:
      condition: service_healthy
  restart: unless-stopped

Works perfectly when I run it through portainer

[–] aStonedSanta@lemm.ee 2 points 1 month ago* (last edited 1 month ago)

It worked. Muahaha it worked. Thank you so much. I still have so much to learn. But one click and repulled and redeployed. The only change I needed in my config was to add.

depends_on:
    gluetun:
      condition: service_healthy

Into each container that was controlled by gluetun

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