Murat ÖZDEMİR 720c79d460 Add Hetzner Cloud production infrastructure with multi-node support
- This commit introduces the Terraform configuration to provision a production environment on Hetzner Cloud, building on the existing test setup.
- Key improvements and new features include:
* **Multi-node clusters:** Scaling to 3-node Swarm application and database clusters for improved resilience.
* **High availability:** Utilizing a Hetzner Floating IP for the application entry point and `spread` placement groups for fault tolerance across physical hosts.
* **Enhanced network security:** Internal management services (RabbitMQ, APISIX, Prometheus, Grafana) are restricted to the application subnet, expected to be accessed via an internal reverse proxy (SWAG).
* **Internal database replication:** New firewall rules enable PostgreSQL replication and MongoDB replica set traffic within the database subnet.
* **Refined test environment:** Updates to align `test` configuration with the new `prod` structure, including a dedicated floating IP and adjusted firewall rules.
* **Configuration standardization:** Environment-specific details moved to `locals.tf` for clarity, with upgraded server types and migration to Rocky Linux as the base image.
- Updates were also made to the latest version of Terraform to ensure consistency in the documentation
2026-05-10 15:43:22 +03:00

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resource "hcloud_floating_ip" "app" {
name = "${local.name_prefix}-app-fip"
type = "ipv4"
home_location = var.location
description = "Floating IP for ${local.environment} app entry point"
labels = {
environment = local.environment
role = "app"
}
}
# Floating IP, iklim-app-01'e atanir (primary node).
# Failover gerekirse manuel veya otomasyon ile baska app node'una tasinabilir.
resource "hcloud_floating_ip_assignment" "app" {
floating_ip_id = hcloud_floating_ip.app.id
server_id = hcloud_server.swarm["iklim-app-01"].id
}