link to localhost using docker as provider

[Eddy Hernandez]

Hi everyone

Maybe you can help me to get this questions

I'm using docker as a provider, I have two containers: container1 and service1 I need to reach the service1:4505 from the container1, 

the docs says that is posible using link e.g. "service1:service1" but I would like to reach the service using localhost, It's possible?

The main idea is something like this: link "service1:localhost" but this is not possible

https://www.vagrantup.com/docs/docker/configuration.html

[Eddy Hernandez]

I made a test and it seems that work well the following.

link: "author:localhost"

I don't like to add this configuration on each container, I would like to expose alway the service in the localhost. Any idea on how to do it?

[Alvaro Miranda Aguilera]

each docker container have a separate networking

so localhost inside one container is separate to the network in the other container

is like having 2 physical machines, and you want to access a remote service.

could you explain a bit why you require localhost for a remote service ?

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Alvaro

[Eddy Hernandez]

HI Alvaro,

I have a development environment, this is a workstation where the developer can use it as a developer machine.

The developer can use the following services containers inside his local environment (VM with docker containers)

e.g.

services:

- service1 (at port 8080)

- service2 (at port 4500)

containers:

- tool1 (maven)

- tool2 (maven)

- tool3 (git)

- another containers

The idea is to provide tools to build against the services, tool1 is used to build and deploy against the service1 that means that tool1 contains d.link("service1: service1") to access to the service1, but in some cases the developer wants to build his project without deploying to a service1 (maybe service1 does not exist or is not created), for those cases I use tool2 that has the same configuration of tool1 but does not have link option. (service1 is not needed)

The idea of expose the service available for all containers, I like to remove tool2 and use tool1 for both cases.

I hope you understand me. =0)

El viernes, 2 de diciembre de 2016, 20:07:40 (UTC-6), Alvaro Miranda Aguilera escribió:

each docker container have a separate networking

so localhost inside one container is separate to the network in the other container

is like having 2 physical machines, and you want to access a remote service.

could you explain a bit why you require localhost for a remote service ?

On Fri, Dec 2, 2016 at 1:38 AM, Eddy Hernandez <eddy...@gmail.com> wrote:

Hi everyone

Maybe you can help me to get this questions

I'm using docker as a provider, I have two containers: container1 and service1 I need to reach the service1:4505 from the container1, 

the docs says that is posible using link e.g. "service1:service1" but I would like to reach the service using localhost, It's possible?

The main idea is something like this: link "service1:localhost" but this is not possible

https://www.vagrantup.com/docs/docker/configuration.html

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Alvaro