Questions tagged [docker-swarm]
The docker-swarm tag has no usage guidance.
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Hadoop - resource manager doesn't start on docker container with stack deploy
Hadoop resourcemanger can't connect to namenode. I've deployed hadoop to docker container with docker stack deploy. But when I run containers with docker-compose up it works fine. I want to manage ...
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2 views
Labelling each container differently with the same image in docker swarm
I have a docker swarm and I want to run a particular container on all the swarm nodes. I would like to have a different label for the container running on each of the swarm node.
How can I do it.
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9 views
Docker not logging out anything from spring boot app
So I'm running a spring boot app in a docker swarm on Amazon (using Docker for AWS) and I'm having this persistent issue where I can't get any logs from the app.
Docker for AWS is set up so that the ...
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0answers
112 views
IPv6 does not work in Docker swarm?
I have an Ubuntu server 16.04 LTS running both IPv4 and IPv6 (dual-stack). This server is also running Docker. However, I have problems whenever I try to access the containers in the swarm, but only ...
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91 views
Docker swarm containers networking and placement
I am using a Docker Swarm cluster and I am trying to work out the best way of interconnecting and placing some containers implementing my application.
The architecture is still pretty much "...
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152 views
Network placement of Docker managers and workers
I have a classic segmented network (a DMZ network and an internal LAN network with a router/firewall in between) and a Docker Swarm cluster compound by 3 nodes, all managers (Dm).
The way we have ...
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38 views
MacOS docker: How to change docker image location through cmd line?
In mac docker gui allow you to move docker image location by going through
Preferences>disk>move disk image
However, I would like to do it using a script in commandline. Therefore, I am ...
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1answer
129 views
Invalid AWS role or insufficient permissions
I followed the Link Amazon Web Services to Docker Cloud article step-by-step and successfully generated a role ARN, but when I enter the ARN to link my docker cloud account, I'm getting the following ...
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1answer
619 views
docker swarm with heterogenous nodes: limit by available resources?
I have a small docker swarm running in my office: one 40-core (128GB RAM) and two 8-core (16GB RAM each). When I deploy a service across the swarm, the jobs are running, but they are spread evenly ...
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1answer
373 views
When using docker swarm node in the overlay network I lost connectivity if connecting from another host
Created my service using the following command with docker:
docker service create --mount
type=bind,src=/tmp/postgres,dst=/var/lib/postgresql/data
--name dev_db
--network mynetwork -p 5432:5432 -d ...
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199 views
How to combine multiple applications with Docker?
Given the following setup of applications:
App A: Docker-compose with a PostgreSQL image and a custom app image which uses that PostgreSQL image
App B: Docker-compose with a PostgreSQL image and a ...
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1answer
2k views
How do I properly resolve the IP of another container in a Docker Swarm? (DNS)
I'm playing with deploying services in a Docker Swarm. I'm having trouble letting a container consistently connect to a container on a different node.
Let's say I'm building a GlusterFS pool; I need ...
