Edit the providers section in the main.tf file to correctly connect to your Swarm
Then run me with:
$ terraform init
$ terraform plan
$ terraform apply
Ports 80, 8080, and 5001 are published on all node of the swarm.
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December 1, 2022 22:35
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Swarm Mastery Using Terraform - Assignement 1
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| provider "docker" { | |
| host = "<put your host here>" | |
| } | |
| # Volumes | |
| resource "docker_volume" "db-data" { | |
| name = "db-data" | |
| } | |
| # Networks | |
| resource "docker_network" "backend" { | |
| name = "backend" | |
| driver = "overlay" | |
| } | |
| resource "docker_network" "frontend" { | |
| name = "frontend" | |
| driver = "overlay" | |
| } | |
| # The vote app | |
| resource "docker_service" "vote" { | |
| name = "vote" | |
| task_spec { | |
| container_spec { | |
| image = "bretfisher/examplevotingapp_vote" | |
| } | |
| networks = [docker_network.frontend.id] | |
| } | |
| mode { | |
| replicated { | |
| replicas = 2 | |
| } | |
| } | |
| endpoint_spec { | |
| mode = "vip" | |
| ports { | |
| target_port = "80" | |
| published_port = "80" | |
| publish_mode = "ingress" | |
| } | |
| } | |
| } | |
| # The Redis app | |
| resource "docker_service" "redis" { | |
| name = "redis" | |
| task_spec { | |
| container_spec { | |
| image = "redis:3.2" | |
| } | |
| networks = [docker_network.frontend.id] | |
| } | |
| mode { | |
| replicated { | |
| replicas = 1 | |
| } | |
| } | |
| } | |
| # The worker | |
| resource "docker_service" "worker" { | |
| name = "worker" | |
| task_spec { | |
| container_spec { | |
| image = "bretfisher/examplevotingapp_worker:java" | |
| } | |
| networks = [docker_network.frontend.id, docker_network.backend.id] | |
| } | |
| mode { | |
| replicated { | |
| replicas = 1 | |
| } | |
| } | |
| } | |
| # The DB | |
| resource "docker_service" "db" { | |
| name = "db" | |
| task_spec { | |
| container_spec { | |
| image = "postgres:9.4" | |
| env = { | |
| POSTGRES_HOST_AUTH_METHOD = "trust" | |
| } | |
| mounts { | |
| target = "/var/lib/postgresql/data" | |
| source = docker_volume.db-data.name | |
| type = "volume" | |
| } | |
| } | |
| networks = [docker_network.backend.id] | |
| } | |
| mode { | |
| replicated { | |
| replicas = 1 | |
| } | |
| } | |
| } | |
| # The result | |
| resource "docker_service" "result" { | |
| name = "result" | |
| task_spec { | |
| container_spec { | |
| image = "bretfisher/examplevotingapp_result" | |
| } | |
| networks = [docker_network.backend.id] | |
| } | |
| mode { | |
| replicated { | |
| replicas = 1 | |
| } | |
| } | |
| endpoint_spec { | |
| mode = "vip" | |
| ports { | |
| target_port = "80" | |
| published_port = "5001" | |
| publish_mode = "ingress" | |
| } | |
| } | |
| } | |
| # viz | |
| resource "docker_service" "viz" { | |
| name = "viz" | |
| task_spec { | |
| container_spec { | |
| image = "dockersamples/visualizer" | |
| mounts { | |
| target = "/var/run/docker.sock" | |
| source = "/var/run/docker.sock" | |
| type = "bind" | |
| } | |
| } | |
| placement { | |
| constraints = [ | |
| "node.role==manager", | |
| ] | |
| } | |
| } | |
| mode { | |
| replicated { | |
| replicas = 1 | |
| } | |
| } | |
| endpoint_spec { | |
| mode = "vip" | |
| ports { | |
| target_port = "8080" | |
| published_port = "8080" | |
| publish_mode = "ingress" | |
| } | |
| } | |
| } |
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| terraform { | |
| required_providers { | |
| docker = { | |
| source = "terraform-providers/docker" | |
| version = "~> 2.7.2" | |
| } | |
| } | |
| required_version = ">= 0.13" | |
| } |
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