improves sorting on ledger.

terraform/solr_ec2.tf

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+resource "aws_instance" "solr_ec2" {
+  ami           = data.aws_ami.amazon_linux_2023.id
+  instance_type = "m7g.large"
+  key_name      = "http-proxy"
+
+  vpc_security_group_ids = [ "sg-004e5855310c453a3", "sg-02d167406b1082698", "sg-08cd873bd29a2b3c9"]
+  subnet_id              =  "subnet-89bab8d4" 
+
+  root_block_device {
+    volume_size = 30 # The size of the EBS volume in GB.
+  }
+
+  tags = {
+    Name = "solr_ec2_${var.stage}"
+  }
+}
+
+data "aws_ami" "amazon_linux_2023" {
+  most_recent = true
+
+  filter {
+    name   = "name"
+    values = ["al2023-ami-*"]
+  }
+
+  filter {
+    name   = "virtualization-type"
+    values = ["hvm"]
+  }
+filter {
+    name="architecture"
+    values=["arm64"]
+}
+}
+
+resource "aws_ebs_volume" "solr_ec2_storage" {
+  availability_zone = aws_instance.solr_ec2.availability_zone
+  size              = 30 # Size of the EBS volume in GB.
+  
+  tags = {
+    Name = "solr_storage_${var.stage}"
+  }
+}
+
+resource "aws_volume_attachment" "attach_solr_storage" {
+  device_name = "/dev/xvdf" # Choose a suitable device name based on your needs.
+  instance_id = aws_instance.solr_ec2.id
+  volume_id   = aws_ebs_volume.solr_ec2_storage.id
+
+  #wait_for detachment_timeout = "30m"
+}
+
+# You may need to add additional resources such as IAM roles, security groups configuration, etc., 
+# depending on what services or actions your Solr needs access to.
+
+output "ec2_public_ip" {
+  value = aws_instance.solr_ec2.public_ip
+}
+
+
+resource "aws_service_discovery_service" "solr_ec2" {
+  name        = "solr-ec2-${var.stage}"
+
+  dns_config {
+  namespace_id = var.local_namespace
+    dns_records {
+      ttl  = 60
+      type = "A"
+    }
+
+    routing_policy = "MULTIVALUE"
+  }
+
+  health_check_custom_config {
+    failure_threshold = 1
+  }
+}
+
+resource "aws_service_discovery_instance" "solr_instance" {
+  service_id = aws_service_discovery_service.solr_ec2.id
+  instance_id = "solr-ec2"
+
+  attributes = {
+    "AWS_INSTANCE_IPV4" = aws_instance.solr_ec2.private_ip
+  }
+
+  depends_on = [
+    aws_service_discovery_service.solr_ec2,
+    aws_instance.solr_ec2,
+  ]
+}