Support docker-build module with CI pipeline

[tkasuz]

Is your request related to a problem? Please describe.

I've been trying to use docker-build submodule to build a container image in GitHub Actions, and deploy it with CodeDeploy using deploy module but docker_image resource which will be automatically created by docker-build module will be forcibly replaced every time when CI pipeline get triggered withtout changing any code because docker_image refaers to local image, and so the local iamge will be reseted every CI process.

Describe the solution you'd like.

To avoid the avobe behavior, It would be better to have an option to specify whether local docker image is stored on local or not by using ignore_changes of terraform lifecycle. Since ignore_changes doesn't support dynamic paramter on it currently, I think one of the workaround to implement this is like the following:

resource "docker_image" "this" {
  count = var. store_on_local == true ? 1 : 0
  name = local.ecr_image_name
  triggers     = var.triggers
  lifecycle {
    ignore_changes = [id, image_id]
  }
}

resource "docker_image_with_ci" "this" {
  count = var. store_on_local == true ? 0 : 1
  name = local.ecr_image_name
  triggers     = var.triggers
  lifecycle {
    ignore_changes = [id, image_id]
  }
}

If there is another workaround for this problem, or I misunderstand something, please correct me. Thanks!

[IlyesDemineExtVeolia]

@tkasuz I think is the same issue : #517

[IlyesDemineExtVeolia]

I created a pull request #518 but no response from the reviewer

[antonbabenko]

Fixed in #518 by @IlyesDemineExtVeolia

[tkasuz]

@IlyesDemineExtVeolia Thanks! I've checked out if your changes don't trigger to replace docker_image resource but docker_image resource seems to still has problem that I mentioned here while docker_registry_image will be updated properly based on the new trigger you changed though 🤔

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