on espere ca va marcher

terraform/modules/network/main.tf

@@ -0,0 +1,81 @@
+provider "google" {
+  project = var.project_name
+  region  = var.region
+}
+
+resource "google_compute_network" "custom_vpc" {
+  name                    = "${var.project_name}-vpc"
+  auto_create_subnetworks = false
+}
+
+resource "google_compute_subnetwork" "frontend" {
+  name          = "${var.project_name}-frontend-subnet"
+  ip_cidr_range = var.frontend_cidr
+  network       = google_compute_network.custom_vpc.id
+  region        = var.region
+}
+
+resource "google_compute_subnetwork" "backend" {
+  name          = "${var.project_name}-backend-subnet"
+  ip_cidr_range = var.backend_cidr
+  network       = google_compute_network.custom_vpc.id
+  region        = var.region
+}
+
+resource "google_compute_subnetwork" "database" {
+  name          = "${var.project_name}-database-subnet"
+  ip_cidr_range = var.database_cidr
+  network       = google_compute_network.custom_vpc.id
+  region        = var.region
+}
+
+resource "google_compute_firewall" "frontend_http_https" {
+  name    = "${var.project_name}-frontend-http-https"
+  network = google_compute_network.custom_vpc.id
+
+  allow {
+    protocol = "tcp"
+    ports    = ["80", "443"]
+  }
+
+  source_ranges = ["0.0.0.0/0"]
+  target_tags   = ["frontend"]
+}
+
+resource "google_compute_firewall" "ssh" {
+  name    = "${var.project_name}-ssh"
+  network = google_compute_network.custom_vpc.id
+
+  allow {
+    protocol = "tcp"
+    ports    = ["22"]
+  }
+
+  source_ranges = [var.ssh_source_ranges]
+}
+
+resource "google_compute_firewall" "frontend_to_backend" {
+  name    = "${var.project_name}-frontend-to-backend"
+  network = google_compute_network.custom_vpc.id
+
+  allow {
+    protocol = "tcp"
+    ports    = ["8000"]
+  }
+
+  source_tags = ["frontend"]
+  target_tags = ["backend"]
+}
+
+resource "google_compute_firewall" "backend_to_database" {
+  name    = "${var.project_name}-backend-to-database"
+  network = google_compute_network.custom_vpc.id
+
+  allow {
+    protocol = "tcp"
+    ports    = ["3306"]
+  }
+
+  source_tags = ["backend"]
+  target_tags = ["database"]
+}