diff --git a/config.toml b/config.toml
index 272eda6..bd9f87f 100644
--- a/config.toml
+++ b/config.toml
@@ -1,17 +1,12 @@
-# The URL the site will be built for
-base_url = "https://bluespec.dev"
-
-# Whether to automatically compile all Sass files in the sass directory
+base_url = "https://getzola.github.io/book/"
 compile_sass = true
-
-# Whether to build a search index to be used later on by a JavaScript library
+title = "book theme"
+description = "A book theme"
 build_search_index = true
 
 [markdown]
-# Whether to do syntax highlighting
-# Theme can be customised by setting the `highlight_theme` variable to a theme supported by Zola
 highlight_code = true
 highlight_theme = "css"
 
 [extra]
-# Put all your custom variables here
+book_number_chapters = true
diff --git a/flake.lock b/flake.lock
deleted file mode 100644
index 9fd1c20..0000000
--- a/flake.lock
+++ /dev/null
@@ -1,61 +0,0 @@
-{
-  "nodes": {
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1754214453,
-        "narHash": "sha256-Q/I2xJn/j1wpkGhWkQnm20nShYnG7TI99foDBpXm1SY=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "5b09dc45f24cf32316283e62aec81ffee3c3e376",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "nixpkgs": "nixpkgs",
-        "utils": "utils"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "utils": {
-      "inputs": {
-        "systems": "systems"
-      },
-      "locked": {
-        "lastModified": 1731533236,
-        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}
diff --git a/flake.nix b/flake.nix
deleted file mode 100644
index 5ef33e9..0000000
--- a/flake.nix
+++ /dev/null
@@ -1,73 +0,0 @@
-{
-  inputs = {
-    nixpkgs = {
-      url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-    };
-    utils.url = "github:numtide/flake-utils";
-  };
-
-  outputs =
-    inputs:
-    inputs.utils.lib.eachDefaultSystem (
-      system:
-      let
-        pkgs = import inputs.nixpkgs {
-          localSystem = system;
-          overlays = [
-            (final: prev: {
-              bluespec-docs = prev.callPackage (
-                {
-                  stdenv,
-                  zola,
-                  git,
-                }:
-                stdenv.mkDerivation ({
-                  pname = "bluespec-docs";
-                  version = "0.1.0";
-                  src = inputs.self;
-
-                  nativeBuildInputs = [
-                    zola
-                    git
-                  ];
-                  buildPhase = ''
-                    zola build
-                  '';
-
-                  installPhase = ''
-                    mkdir -p $out
-                    cp -r public $out
-                  '';
-                })
-              ) { };
-
-              serve-site = prev.writers.writeBashBin "serve-site" ''
-                ${prev.lib.getExe prev.zola} build --base-url ""
-                ${prev.lib.getExe prev.python3} -m http.server --bind 127.0.0.1 8081 --directory ./public
-              '';
-            })
-          ];
-        };
-      in
-      {
-        packages = {
-          default = inputs.self.packages."${system}".bluespec-docs;
-          bluespec-docs = pkgs.bluespec-docs;
-        };
-
-        apps = {
-          # `nix run` will run this
-          default = {
-            type = "app";
-            program = "${pkgs.serve-site}/bin/serve-site";
-          };
-        };
-
-        devShells.default =
-          with pkgs;
-          mkShell {
-            inputsFrom = [ bluespec-docs ];
-          };
-      }
-    );
-}
diff --git a/theme.toml b/theme.toml
new file mode 100644
index 0000000..b343822
--- /dev/null
+++ b/theme.toml
@@ -0,0 +1,13 @@
+name = "book"
+description = "A book theme inspired from GitBook/mdBook"
+license = "MIT"
+homepage = "https://github.com/getzola/book"
+min_version = "0.17.0"
+demo = "https://getzola.github.io/book/"
+
+[extra]
+book_number_chapters = true
+
+[author]
+name = "Vincent Prouillet"
+homepage = "https://www.vincentprouillet.com"