diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..c02a406
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,64 @@
+{
+  "nodes": {
+    "easy-hls": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1637250802,
+        "narHash": "sha256-/crlHEVB148PGQLZCsHOR9L5qgvCAfRSocIoKgmMAhA=",
+        "owner": "jkachmar",
+        "repo": "easy-hls-nix",
+        "rev": "7c123399ef8a67dc0e505d9cf7f2c7f64f1cd847",
+        "type": "github"
+      },
+      "original": {
+        "owner": "jkachmar",
+        "repo": "easy-hls-nix",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1637014545,
+        "narHash": "sha256-26IZAc5yzlD9FlDT54io1oqG/bBoyka+FJk5guaX4x4=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "bba5dcc8e0b20ab664967ad83d24d64cb64ec4f4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1637841632,
+        "narHash": "sha256-QYqiKHdda0EOnLGQCHE+GluD/Lq2EJj4hVTooPM55Ic=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "73369f8d0864854d1acfa7f1e6217f7d6b6e3fa1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "easy-hls": "easy-hls",
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..4b72597
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,51 @@
+{
+  description = "rauhala.info";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+    easy-hls = {
+      url = "github:jkachmar/easy-hls-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = { self, nixpkgs, flake-utils, easy-hls }:
+  {
+    overlay = final: prev: {
+      build-rauhala-info = final.haskellPackages.build-rauhala-info;
+      rauhala-info = final.callPackage ./rauhala.info { site = final.build-rauhala-info; };
+      haskellPackages = prev.haskellPackages.override ( old: {
+        overrides = final.lib.composeExtensions ( old.overrides or (_: _: {})) (f: p: {
+          build-rauhala-info = f.callPackage ./site {};
+        });
+      } );
+    };
+  }
+  //
+  flake-utils.lib.eachDefaultSystem (system:
+    let
+      pkgs = import nixpkgs { inherit system; overlays = [ self.overlay ]; };
+      hp = pkgs.haskellPackages;
+      hls = easy-hls.defaultPackage.${system};
+    in
+    rec {
+      packages = { inherit (pkgs) build-rauhala-info rauhala-info; };
+      applications.build-rauhala-info = flake-utils.lib.mkApp {
+        drv = packages.build-rauhala-info;
+        exePath = "/bin/site";
+      };
+      defaultPackage = packages.rauhala-info;
+      defaultApp = applications.build-rauhala-info;
+      devShell = hp.shellFor {
+        packages = h: [h.build-rauhala-info];
+        buildInputs = with pkgs; [
+          ghcid
+          cabal-install
+          stylish-haskell
+          entr
+          hls
+        ];
+      };
+    });
+}
diff --git a/rauhala.info/.envrc b/rauhala.info/.envrc
deleted file mode 100644
index 1d953f4..0000000
--- a/rauhala.info/.envrc
+++ /dev/null
@@ -1 +0,0 @@
-use nix
diff --git a/rauhala.info/shell.nix b/rauhala.info/shell.nix
deleted file mode 100644
index a3eb7d3..0000000
--- a/rauhala.info/shell.nix
+++ /dev/null
@@ -1,10 +0,0 @@
-with (import <nixpkgs> {});
-
-let site = haskellPackages.callPackage ../site {};
-
-in
-
-mkShell {
-  buildInputs = [ site ];
-}
-
diff --git a/site/.envrc b/site/.envrc
deleted file mode 100644
index 1d953f4..0000000
--- a/site/.envrc
+++ /dev/null
@@ -1 +0,0 @@
-use nix
diff --git a/site/default.nix b/site/default.nix
index d5a9adf..dd9385e 100644
--- a/site/default.nix
+++ b/site/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, base, filepath, hakyll, stdenv, time }:
+{ mkDerivation, base, filepath, hakyll, lib, time }:
 mkDerivation {
   pname = "site";
   version = "0.1.0.0";
@@ -6,5 +6,5 @@ mkDerivation {
   isLibrary = false;
   isExecutable = true;
   executableHaskellDepends = [ base filepath hakyll time ];
-  license = stdenv.lib.licenses.bsd3;
+  license = lib.licenses.bsd3;
 }
diff --git a/site/shell.nix b/site/shell.nix
deleted file mode 100644
index cbf6d05..0000000
--- a/site/shell.nix
+++ /dev/null
@@ -1,16 +0,0 @@
-with (import <nixpkgs> {});
-
-let site = haskellPackages.callPackage ./. {};
-
-in
-
-mkShell {
-  buildInputs = [
-    ghcid
-    stylish-haskell
-    haskellPackages.cabal-install
-    hlint
-    (haskellPackages.ghcWithPackages (_: site.buildInputs ++ site.propagatedBuildInputs))
-  ];
-}
-