From 687a1eeca19ae91926c82aa1b2395cae6037989a Mon Sep 17 00:00:00 2001
From: Aditya Choudhari <adityachoudhari26@gmail.com>
Date: Wed, 7 May 2025 12:08:26 -0700
Subject: [PATCH] feat: Max db connections

---
 main.tf                       | 2 ++
 modules/database/main.tf      | 8 ++++++++
 modules/database/variables.tf | 6 ++++++
 variables.tf                  | 6 ++++++
 4 files changed, 22 insertions(+)

diff --git a/main.tf b/main.tf
index 999affd..030dd97 100644
--- a/main.tf
+++ b/main.tf
@@ -31,6 +31,8 @@ module "database" {
 
   deletion_protection = var.deletion_protection
 
+  max_database_connections = var.max_database_connections
+
   depends_on = [module.networking]
 }
 
diff --git a/modules/database/main.tf b/modules/database/main.tf
index 2774dca..b504c01 100644
--- a/modules/database/main.tf
+++ b/modules/database/main.tf
@@ -29,6 +29,14 @@ resource "google_sql_database_instance" "this" {
     insights_config {
       query_insights_enabled = true
     }
+
+    dynamic "database_flags" {
+      for_each = var.max_database_connections != "" ? [1] : []
+      content {
+        name  = "max_connections"
+        value = var.max_database_connections
+      }
+    }
   }
 }
 
diff --git a/modules/database/variables.tf b/modules/database/variables.tf
index a985496..53b6dab 100644
--- a/modules/database/variables.tf
+++ b/modules/database/variables.tf
@@ -23,3 +23,9 @@ variable "deletion_protection" {
   description = "Whether to enable deletion protection for the database instance."
   type        = bool
 }
+
+variable "max_database_connections" {
+  description = "The maximum number of connections to the database"
+  type        = string
+  default     = ""
+}
diff --git a/variables.tf b/variables.tf
index 71e7269..d6868fd 100644
--- a/variables.tf
+++ b/variables.tf
@@ -20,6 +20,12 @@ variable "postgres_version" {
   default     = "POSTGRES_17"
 }
 
+variable "max_database_connections" {
+  description = "The maximum number of connections to the database"
+  type        = string
+  default     = ""
+}
+
 variable "redis_tier" {
   description = "The tier for the Redis instance"
   type        = string