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Learn how to run Mattermost in high‑availability mode using Docker Swarm, with shared PostgreSQL and MinIO, automatic failover, and the trade‑offs you must manage.
A decision guide for choosing Portainer’s UI to deploy Docker Compose stacks in Swarm mode, with a comparison table, trade‑offs, step‑by‑step implementation, and verification steps.
Recently, we had an outage due to Redis being unable to write to a file system (not sure why it's Amazon EFS) anyway I noted that there was no actual HEALTHCHECK set up for the Docker service to make sure it is running correctly, Redis is up so I can't simply use nc -z to check if the port is open. Is there a command I can execute in the redis:6-alpine (or n
I'm consolidating a low-traffic internal stack onto cheaper nodes in a Docker Swarm managed through Portainer. The plan is to label two small nodes (for example tier=low ) and use placement constraints plus CPU/memory limits in the stack definition so these services never land on the larger nodes and never consume more than a fixed share of resources. What I
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