[Feature] Deployment with terraform and GCP

app.yaml

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+# [START appengine_websockets_yaml]
+runtime: nodejs
+env: flex
+
+# Use only a single instance, so that this local-memory-only chat app will work
+# consistently with multiple users. To work across multiple instances, an
+# extra-instance messaging system or data store would be needed.
+manual_scaling:
+    instances: 1
+
+# [START network]
+network:
+    instance_tag: websocket
+    forwarded_ports:
+        - 65080
+    session_affinity: true
+# [END network]
+# [END appengine_websockets_yaml]

docker/api/api.fifa.sauravmh.com.conf

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+upstream socket-server-upstream {
+    ip_hash;
+    server http-api:8080;
+    server socketio-api:65080;
+    keepalive 16;
+}
+
+server {
+    listen 80;
+    server_name api.fifa.sauravmh.com;
+    error_log  /var/log/nginx/error.log;
+    access_log /var/log/nginx/access.log;
+    root /app;
+
+    location / {
+        proxy_pass http://localhost:8080/;
+        proxy_http_version 1.1;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection 'upgrade';
+        proxy_set_header Host $host;
+
+        proxy_cache_bypass $http_upgrade;
+        proxy_hide_header X-Powered-By;
+    }
+}

docker/api/socker.fifa.sauravmh.com.conf

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+upstream socket-server-upstream {
+    ip_hash;
+    server http-api:8080;
+    server socketio-api:65080;
+    keepalive 16;
+}
+
+server {
+  listen                              443 ssl;
+  server_name                         api.mydomain.com;
+
+  include conf.d/error-pages.conf;
+  include conf.d/url-filter*.conf;
+
+  root /home/saurav/my_application;
+
+  location / {
+        proxy_pass http://localhost:3000/;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection 'upgrade';
+        proxy_set_header Host $host;
+        proxy_cache_bypass $http_upgrade;
+        proxy_hide_header X-Powered-By;
+  }
+
+}
+
+server {
+    listen 80;
+    index index.html;
+    server_name currently-viewing-app.dev;
+    error_log  /var/log/nginx/error.log;
+    access_log /var/log/nginx/access.log;
+    root /app;
+
+    location / {
+        try_files $uri /index.html;
+    }
+
+    location /socket.io/ {
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header Host $http_host;
+        proxy_set_header X-NginX-Proxy true;
+
+        proxy_pass http://socket-server-upstream/socket.io/;
+        proxy_redirect off;
+
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+    }
+}

terraform/dev/main.tf

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+terraform {
+  required_providers {
+    google = {
+      source  = "hashicorp/google"
+      version = "3.5.0"
+    }
+  }
+}
+
+provider "google" {
+  project     = var.project_name
+  region      = var.region
+  zone        = var.region_zone
+  credentials = file("${var.credentials_file_path}")
+}
+
+resource "google_compute_http_health_check" "default" {
+  name                = "tf-www-basic-check"
+  request_path        = "/"
+  check_interval_sec  = 1
+  healthy_threshold   = 1
+  unhealthy_threshold = 10
+  timeout_sec         = 1
+}
+
+resource "google_compute_instance" "app_server" {
+  name         = "fifa-server"
+  machine_type = "e2-small"
+  tags         = ["ssh", "http-server", "https-server"]
+
+  metadata = {
+    user-data = module.container-server.cloud_config # 👈
+  }
+
+  service_account {
+    email  = google_service_account.default.email
+    scopes = ["https://www.googleapis.com/auth/cloud-platform"]
+  }
+
+  boot_disk {
+    initialize_params {
+      image = data.google_compute_image.cos.self_link
+    }
+  }
+
+  network_interface {
+    subnetwork         = var.subnet_name
+    subnetwork_project = var.project
+
+    access_config {
+      nat_ip = google_compute_address.static.address
+    }
+  }
+
+  scheduling {
+    automatic_restart = true
+  }
+
+  allow_stopping_for_update = true
+
+  lifecycle {
+    ignore_changes = [attached_disk]
+  }
+}

terraform/dev/variables.tf

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+variable "region" {
+  default = "asia-south1"
+}
+
+variable "region_zone" {
+  default = "asia-south1-c"
+}
+
+variable "project_name" {
+  description = "turn-multiplayer-game"
+}
+
+variable "credentials_file_path" {
+  description = "Path to the JSON file used to describe your account credentials"
+  default     = "google-compute-engine-account.json"
+}
+
+variable "public_key_path" {
+  description = "Path to file containing public key"
+  default     = "~/.ssh/gcloud_id_rsa.pub"
+}