diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..faa8210
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,3 @@
+source_url "https://raw.githubusercontent.com/cachix/devenv/d1f7b48e35e6dee421cfd0f51481d17f77586997/direnvrc" "sha256-YBzqskFZxmNb3kYVoKD9ZixoPXJh1C9ZvTLGFRkauZ0="
+
+use devenv
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..908db2a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+# Devenv
+.devenv*
+devenv.local.nix
+/.direnv
+.pre-commit-config.yaml
diff --git a/devenv.lock b/devenv.lock
new file mode 100644
index 0000000..817d68e
--- /dev/null
+++ b/devenv.lock
@@ -0,0 +1,174 @@
+{
+  "nodes": {
+    "devenv": {
+      "locked": {
+        "dir": "src/modules",
+        "lastModified": 1718120801,
+        "owner": "cachix",
+        "repo": "devenv",
+        "rev": "a04f29f6412e5829ee7774c672233f3ef17771bc",
+        "treeHash": "c75398c2d196caa306b583e44b37f735a455237e",
+        "type": "github"
+      },
+      "original": {
+        "dir": "src/modules",
+        "owner": "cachix",
+        "repo": "devenv",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "treeHash": "2addb7b71a20a25ea74feeaf5c2f6a6b30898ecb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-compat_2": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "treeHash": "2addb7b71a20a25ea74feeaf5c2f6a6b30898ecb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "pre-commit-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "treeHash": "ca14199cabdfe1a06a7b1654c76ed49100a689f9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1718089647,
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "f7207adcc68d9cafa29e3cd252a18743ae512c6a",
+        "treeHash": "1eabeb4cad65cd84d077e9cf28b3be697a5e579b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-python": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1717766341,
+        "owner": "cachix",
+        "repo": "nixpkgs-python",
+        "rev": "d996260c2dfb1e4e6a68bb99121dd87adb40c2eb",
+        "treeHash": "d6bb915bafaac1f4b2bedeb18acda30e6b5d798f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "nixpkgs-python",
+        "type": "github"
+      }
+    },
+    "nixpkgs-stable": {
+      "locked": {
+        "lastModified": 1718060059,
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "a3c8d64ba846725f040582b2d3b875466d2115bd",
+        "treeHash": "4378720d991b2af92b2e078b80bff5ec363a11c5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-23.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1718060059,
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "a3c8d64ba846725f040582b2d3b875466d2115bd",
+        "treeHash": "4378720d991b2af92b2e078b80bff5ec363a11c5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-23.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "pre-commit-hooks": {
+      "inputs": {
+        "flake-compat": "flake-compat_2",
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "nixpkgs-stable": "nixpkgs-stable"
+      },
+      "locked": {
+        "lastModified": 1717664902,
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "cc4d466cb1254af050ff7bdf47f6d404a7c646d1",
+        "treeHash": "def977583217aad11744d144c1f7fc216ce450bf",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "devenv": "devenv",
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-python": "nixpkgs-python",
+        "pre-commit-hooks": "pre-commit-hooks"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/devenv.nix b/devenv.nix
new file mode 100644
index 0000000..e803522
--- /dev/null
+++ b/devenv.nix
@@ -0,0 +1,38 @@
+# https://devenv.sh/
+#
+{pkgs, ...}: {
+  packages = with pkgs; [
+    ansible
+    codespell
+    just
+    onefetch
+  ];
+
+  pre-commit.hooks = {
+    # Files
+    check-symlinks.enable = true;
+    # Nix
+    alejandra.enable = true;
+    deadnix.enable = true;
+    statix.enable = true;
+    # Shell
+    shellcheck.enable = true;
+    shfmt.enable = true; # alternative: beautysh
+    # Misc. formats
+    check-json.enable = true;
+    check-toml.enable = true;
+    check-yaml.enable = true;
+    denofmt.enable = true;
+    markdownlint.enable = true; # alternative: mdl
+    # Hyperlinks
+    check-vcs-permalinks.enable = true;
+    end-of-file-fixer.enable = true;
+    trim-trailing-whitespace.enable = true;
+    # Git
+    check-merge-conflicts.enable = true;
+  };
+
+  enterShell = ''
+    onefetch --no-color-palette
+  '';
+}
diff --git a/devenv.yaml b/devenv.yaml
new file mode 100644
index 0000000..a32e623
--- /dev/null
+++ b/devenv.yaml
@@ -0,0 +1,5 @@
+inputs:
+  nixpkgs:
+    url: github:NixOS/nixpkgs/nixpkgs-unstable
+  nixpkgs-python:
+    url: github:cachix/nixpkgs-python