add terraform dev env

add readme

README.md

@@ -0,0 +1,10 @@
+# nix-dev-envs
+
+Generic Nix development environment I use for my projects.
+
+## Usage
+
+Put to following in 
+```
+use flake "git:https://git.kun.is/pim/nix-dev-envs.git/<ENV>"
+```

terraform/.envrc

@@ -0,0 +1 @@
+use flake

terraform/flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1697793076,
+        "narHash": "sha256-02e7sCuqLtkyRgrZmdOyvAcQTQdcXj+vpyp9bca6cY4=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "038b2922be3fc096e1d456f93f7d0f4090628729",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

terraform/flake.nix

@@ -0,0 +1,22 @@
+{
+  description = "A Nix-flake-based Terraform environment";
+
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+
+  outputs = { self, nixpkgs }:
+    let
+      supportedSystems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
+      forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f {
+        pkgs = import nixpkgs { inherit system; };
+      });
+    in
+    {
+      devShells = forEachSupportedSystem ({ pkgs }: {
+        default = pkgs.mkShell {
+          packages = with pkgs; [
+	    terraform
+	  ];
+        };
+      });
+    };
+}