diff --git a/tf/.terraform.lock.hcl b/tf/.terraform.lock.hcl
old mode 100755
new mode 100644
index 145903a..14a64fd
--- a/tf/.terraform.lock.hcl
+++ b/tf/.terraform.lock.hcl
@@ -2,38 +2,38 @@
 # Manual edits may be lost in future updates.
 
 provider "registry.terraform.io/hashicorp/aws" {
-  version     = "2.70.0"
-  constraints = "~> 2.70"
+  version     = "3.45.0"
+  constraints = "~> 3.45"
   hashes = [
-    "h1:6tf4jg37RrMHyVCql+fEgAFvX8JiqDognr+lk6rx7To=",
-    "zh:01a5f351146434b418f9ff8d8cc956ddc801110f1cc8b139e01be2ff8c544605",
-    "zh:1ec08abbaf09e3e0547511d48f77a1e2c89face2d55886b23f643011c76cb247",
-    "zh:606d134fef7c1357c9d155aadbee6826bc22bc0115b6291d483bc1444291c3e1",
-    "zh:67e31a71a5ecbbc96a1a6708c9cc300bbfe921c322320cdbb95b9002026387e1",
-    "zh:75aa59ae6f0834ed7142c81569182a658e4c22724a34db5d10f7545857d8db0c",
-    "zh:76880f29fca7a0a3ff1caef31d245af2fb12a40709d67262e099bc22d039a51d",
-    "zh:aaeaf97ffc1f76714e68bc0242c7407484c783d604584c04ad0b267b6812b6dc",
-    "zh:ae1f88d19cc85b2e9b6ef71994134d55ef7830fd02f1f3c58c0b3f2b90e8b337",
-    "zh:b155bdda487461e7b3d6e3a8d5ce5c887a047e4d983512e81e2c8266009f2a1f",
-    "zh:ba394a7c391a26c4a91da63ad680e83bde0bc1ecc0a0856e26e9d62a4e77c408",
-    "zh:e243c9d91feb0979638f28eb26f89ebadc179c57a2bd299b5729fb52bd1902f2",
-    "zh:f6c05e20d9a3fba76ca5f47206dde35e5b43b6821c6cbf57186164ce27ba9f15",
+    "h1:LKU/xfna87/p+hl5yTTW3dvOqWJp5JEM+Dt3nnvSDvA=",
+    "zh:0fdbb3af75ff55807466533f97eb314556ec41a908a543d7cafb06546930f7c6",
+    "zh:20656895744fa0f4607096b9681c77b2385f450b1577f9151d3070818378a724",
+    "zh:390f316d00f25a5e45ef5410961fd05bf673068c1b701dc752d11df6d8e741d7",
+    "zh:3da70f9de241d5f66ea9994ef1e0beddfdb005fa2d2ef6712392f57c5d2e4844",
+    "zh:65de63cc0f97c85c28a19db560c546aa25f4f403dbf4783ac53c3918044cf180",
+    "zh:6fc52072e5a66a5d0510aaa2b373a2697895f51398613c68619d8c0c95fc75f5",
+    "zh:7c1da61092bd1206a020e3ee340ab11be8a4f9bb74e925ca1229ea5267fb3a62",
+    "zh:94e533d86ce3c08e7102dcabe34ba32ae7fd7819fd0aedef28f48d29e635eae2",
+    "zh:a3180d4826662e19e71cf20e925a2be8613a51f2f3f7b6d2643ac1418b976d58",
+    "zh:c783df364928c77fd4dec5419533b125bebe2d50212c4ad609f83b701c2d981a",
+    "zh:e1279bde388cb675d324584d965c6d22c3ec6890b13de76a50910a3bcd84ed64",
   ]
 }
 
 provider "registry.terraform.io/hashicorp/external" {
-  version = "2.0.0"
+  version = "2.1.0"
   hashes = [
-    "h1:Q5xqryWI3tCY8yr+fugq7dz4Qz+8g4GaW9ZS8dc6Ob8=",
-    "zh:07949780dd6a1d43e7b46950f6e6976581d9724102cb5388d3411a1b6f476bde",
-    "zh:0a4f4636ff93f0644affa8474465dd8c9252946437ad025b28fc9f6603534a24",
-    "zh:0dd7e05a974c649950d1a21d7015d3753324ae52ebdd1744b144bc409ca4b3e8",
-    "zh:2b881032b9aa9d227ac712f614056d050bcdcc67df0dc79e2b2cb76a197059ad",
-    "zh:38feb4787b4570335459ca75a55389df1a7570bdca8cdf5df4c2876afe3c14b4",
-    "zh:40f7e0aaef3b1f4c2ca2bb1189e3fe9af8c296da129423986d1d99ccc8cfb86c",
-    "zh:56b361f64f0f0df5c4f958ae2f0e6f8ba192f35b720b9d3ae1be068fabcf73d9",
-    "zh:5fadb5880cd31c2105f635ded92b9b16f918c1dd989627a4ce62c04939223909",
-    "zh:61fa0be9c14c8c4109cfb7be8d54a80c56d35dbae49d3231cddb59831e7e5a4d",
-    "zh:853774bf97fbc4a784d5af5a4ca0090848430781ae6cfc586adeb48f7c44af79",
+    "h1:wbtDfLeawmv6xVT1W0w0fctRCb4ABlaD3JTxwb1jXag=",
+    "zh:0d83ffb72fbd08986378204a7373d8c43b127049096eaf2765bfdd6b00ad9853",
+    "zh:7577d6edc67b1e8c2cf62fe6501192df1231d74125d90e51d570d586d95269c5",
+    "zh:9c669ded5d5affa4b2544952c4b6588dfed55260147d24ced02dca3a2829f328",
+    "zh:a404d46f2831f90633947ab5d57e19dbfe35b3704104ba6ec80bcf50b058acfd",
+    "zh:ae1caea1c936d459ceadf287bb5c5bd67b5e2a7819df6f5c4114b7305df7f822",
+    "zh:afb4f805477694a4b9dde86b268d2c0821711c8aab1c6088f5f992228c4c06fb",
+    "zh:b993b4a1de8a462643e78f4786789e44ce5064b332fee1cb0d6250ed085561b8",
+    "zh:c84b2c13fa3ea2c0aa7291243006d560ce480a5591294b9001ce3742fc9c5791",
+    "zh:c8966f69b7eccccb771704fd5335923692eccc9e0e90cb95d14538fe2e92a3b8",
+    "zh:d5fe68850d449b811e633a300b114d0617df6d450305e8251643b4d143dc855b",
+    "zh:ddebfd1e674ba336df09b1f27bbaa0e036c25b7a7087dc8081443f6e5954028b",
   ]
 }
diff --git a/tf/infra.tf b/tf/infra.tf
index 747da42..7513ed8 100644
--- a/tf/infra.tf
+++ b/tf/infra.tf
@@ -6,14 +6,15 @@ terraform {
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = "~> 2.70"
+      version = "~> 3.45"
     }
   }
 }
 
 locals {
   tags = {
-    Terraform = "Managed by Terraform"
+    Terraform       = "Managed by Terraform"
+    BillingCategory = "Riju"
   }
 }
 
@@ -171,6 +172,11 @@ resource "aws_instance" "server" {
   tags = merge(local.tags, {
     Name = "Riju server"
   })
+  root_block_device {
+    tags = merge(local.tags, {
+      Name = "Riju server root volume"
+    })
+  }
 }
 
 resource "aws_ebs_volume" "data" {