diff --git a/README.md b/README.md
index 766d8ca..0829e4d 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,7 @@ Once your preferred template has been initialized, you can use the provided shel
 | [Gleam]                 | [`gleam`](./gleam/)       |
 | [Go] 1.17               | [`go1_17`](./go1.17/)     |
 | [Go] 1.18               | [`go1_18`](./go1.18/)     |
+| [Hashicorp] tools       | [`hashi`](./hashi/)       |
 | [Java]                  | [`java`](./java/)         |
 | [Kotlin]                | [`kotlin`](./kotlin/)     |
 | [Nix]                   | [`nix`](./nix/)           |
@@ -81,6 +82,12 @@ The sections below list what each template includes. In all cases, you're free t
 - Standard Go tools ([goimports], [godoc], and others)
 - [golangci-lint]
 
+### [`hashi`](./hashi/)
+
+- [Terraform] 1.2.6
+- [Packer] 1.8.2
+- [Terragrunt] 0.37.0
+
 ### [`java`](./java)
 
 - [Java] 17.0.3
@@ -152,6 +159,7 @@ All of the templates have only the root [flake](./flake.nix) as a flake input. T
 [goimports]: https://pkg.go.dev/golang.org/x/tools/cmd/goimports
 [golangci-lint]: https://github.com/golangci/golangci-lint
 [gradle]: https://gradle.org
+[hashicorp]: https://hashicorp.com/
 [iex]: https://hexdocs.pm/iex/IEx.html
 [java]: https://java.com
 [kotlin]: https://kotlinlang.org
@@ -164,6 +172,7 @@ All of the templates have only the root [flake](./flake.nix) as a flake input. T
 [nixpkgs]: https://github.com/NixOS/nixpkgs
 [nix-direnv]: https://github.com/nix-community/nix-direnv
 [node]: https://nodejs.org
+[packer]: https://packer.io
 [phoenix]: https://phoenixframework.org
 [pnpm]: https://pnpm.io
 [protobuf]: https://developers.google.com/protocol-buffers
@@ -171,6 +180,8 @@ All of the templates have only the root [flake](./flake.nix) as a flake input. T
 [scala]: https://scala-lang.org
 [statix]: https://github.com/nerdypepper/statix
 [sbt]: https://www.scala-sbt.org
+[terraform]: https://terraform.io
+[terragrunt]: https://terragrunt.gruntwork.io
 [vulnix]: https://github.com/flyingcircusio/vulnix
 [yarn]: https://yarnpkg.com
 [zig]: https://ziglang.org
diff --git a/hashi/.envrc b/hashi/.envrc
new file mode 100644
index 0000000..a5dbbcb
--- /dev/null
+++ b/hashi/.envrc
@@ -0,0 +1 @@
+use flake .
diff --git a/hashi/flake.lock b/hashi/flake.lock
new file mode 100644
index 0000000..01847d6
--- /dev/null
+++ b/hashi/flake.lock
@@ -0,0 +1,60 @@
+{
+  "nodes": {
+    "dev": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1659281217,
+        "narHash": "sha256-ohsPHmt1vhiXSl8tcC80RaRFgXWNufGjSOINFxhD47Q=",
+        "owner": "the-nix-way",
+        "repo": "dev-templates",
+        "rev": "213f22722019f37dbee67d5c602a0452675639da",
+        "type": "github"
+      },
+      "original": {
+        "owner": "the-nix-way",
+        "repo": "dev-templates",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1656928814,
+        "narHash": "sha256-RIFfgBuKz6Hp89yRr7+NR5tzIAbn52h8vT6vXkYjZoM=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "7e2a3b3dfd9af950a856d66b0a7d01e3c18aa249",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1659280101,
+        "narHash": "sha256-LRmrGFQTM724ZAI339ZJ380x6uKG5FwMic142tY7Efk=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "424a3ec89d09109bbf87d7a61ba3a7f679c05dc2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "dev": "dev"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/hashi/flake.nix b/hashi/flake.nix
new file mode 100644
index 0000000..36e434c
--- /dev/null
+++ b/hashi/flake.nix
@@ -0,0 +1,30 @@
+{
+  description =
+    "A Nix-flake-based development environment for Terraform and Packer";
+
+  inputs = { dev.url = "github:the-nix-way/dev-templates"; };
+
+  outputs = { self, dev }:
+    let inherit (dev.lib) flake-utils nixpkgs;
+    in flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+
+        inherit (pkgs) mkShell packer terraform;
+
+        hashiTools = [ packer terraform ];
+
+        relatedTools = with pkgs; [ terragrunt ];
+      in {
+        devShells = {
+          default = mkShell {
+            buildInputs = hashiTools ++ relatedTools;
+
+            shellHook = ''
+              echo "packer `${packer}/bin/packer --version`"
+              ${terraform}/bin/terraform --version
+            '';
+          };
+        };
+      });
+}