[routing] fix health check rules

modules/stack/routing.tf

@@ -29,9 +29,9 @@ resource "aws_elb" "explorer" {
   health_check {
     healthy_threshold   = 2
     unhealthy_threshold = 2
-    timeout             = 3
+    timeout             = 15
     interval            = 30
-    target              = "HTTP:4000/"
+    target              = "HTTP:4000/en/blocks"
   }
 
   listener {

modules/stack/security.tf

@@ -152,6 +152,13 @@ resource "aws_security_group" "elb" {
     protocol    = "tcp"
     cidr_blocks = ["0.0.0.0/0"]
   }
+  
+  ingress {
+    from_port = 4000
+    to_port = 4000
+    protocol = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
 
   # HTTPS from anywhere
   ingress {
@@ -187,6 +194,13 @@ resource "aws_security_group" "app" {
     protocol    = "tcp"
     cidr_blocks = ["${var.vpc_cidr}"]
   }
+  
+  ingress {
+    from_port = 4000
+    to_port = 4000
+    protocol = "tcp"
+    cidr_blocks = ["${var.vpc_cidr}"]
+  }
 
   # HTTPS from the VPC
   ingress {