We run a Meteor application that requires sticky sessions. We recently refactored our infrastructure and have started seeing connectivity issues. Old Setup (Stable): A single EC2 instance running ...

I have a Docker Swarm setup where a worker node needs to copy files to the master node. The worker is running on Windows via WSL, and the master is an Ubuntu server. Both nodes are connected through a ...

After upgrading Docker on my Ubuntu 24.04 Servers to version 29.0.0, Swarm services suddenly inherit: Max open files: soft=1024, hard=524288 MongoDB, Redis, etc. suddenly throw file descriptor errors ...

Problem Summary I'm experiencing permission issues when deploying a PostgreSQL 9.6 container in Docker Swarm that uses an NFS-mounted volume for data storage. The container fails to start with the ...

I am trying to run postgresql on my docker swarm cluster with this command docker service create --replicas 1 --name postgres -e POSTGRES_PASSWORD=a -d postgres -p 5432:5432 --net=host But the port ...

I am using Docker Swarm to deploy my application, and I want to keep my Docker container running. I use the following tail -f /dev/null command to keep the container alive, but I also want to run ...

Is there a way to make two "global" mode docker swarm services communicate directly, on the same host? In this docker swarm stack are two global services, promtail and prometheus. # stack....

I am trying docker stack ls but I get this error: Error response from daemon: This node is not a swarm manager. Use "docker swarm init" or "docker swarm join" to connect this node ...

We are operating Docker Swarm in a production university environment. We make heavy use of isolated overlay networks to secure stacks from one another and we rely upon Docker's built-in service DNS ...

I have 3 nodes configured with swarm (1 master, 2 workers) I installed jupyterhub container on the master node. The aim is to run the user's notebook container on the worker side. If we follow the ...

Problem I'm testing Docker Swarm and it won't deploy any stacks: after stack deploy, the replicas remain at 0/1. It's a two-node cluster of 1 manager and 1 worker. The manager is set to drain, so ...

I am running a Docker Swarm cluster with two nodes: Manager Node (10.1.109.70) Worker Node (10.1.109.60) I created an overlay network (my-swarm-net) and deployed multiple services (MySQL and Nginx) ...

🚨 Queue Job tasks stuck in "pending" state in Docker Swarm with multiple nodes (Odoo 17) Module queue_job Describe the bug In a Docker Swarm environment with three nodes, one Odoo instance, ...

There is docker swarm cluster with 5 nodes (3 master, 2 workers) - on-premises, debian-12. The application containers (frontend+backend) are running on master nodes. There is pgpool cluster (1 pgpool +...

Docker version: Client: Docker Engine - Community Version: 27.5.0 API version: 1.47 Go version: go1.22.10 Git commit: a187fa5 Built: Mon Jan 13 15:25:19 ...