cloudbuild_trigger.tf

resource "google_cloudbuild_trigger" "build_trigger" {
  trigger_template {
    branch_name = "master"
    repo_name   = "github_kaneshin_foobar"
    dir         = "cmd/foobar"
  }
  build {
    images = ["gcr.io/$PROJECT_ID/$REPO_NAME:$COMMIT_SHA"]
    step {
      name = "gcr.io/cloud-builders/docker"
      args = "build -t gcr.io/$PROJECT_ID/$REPO_NAME:$COMMIT_SHA -f Dockerfile ."
    }
  }
}