Change egress rules to only allow outbound HTTPS traffic

Author: TotalDwarf03

terraform/service/main.tf

@@ -16,11 +16,11 @@ resource "aws_security_group" "lambda_sg" {
     cidr_blocks = ["10.0.0.0/16"] // Allow HTTPS traffic within VPC
   }
   egress {
-    description = "Allow all outbound traffic to any destination"
-    from_port   = 0
-    to_port     = 0
-    protocol    = "-1"
-    cidr_blocks = ["0.0.0.0/0"] // Allow all outbound traffic
+    description = "Allow all outbound HTTPS traffic to any destination"
+    from_port   = 443
+    to_port     = 443
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"] // Allow all outbound HTTPS traffic
   }
 }