diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ac95fc2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.DS_Store
+/result
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..fd99005
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+input_folder=$1
+anki_bin=$2
+out=$3
+
+mkdir -p "$out"
+
+for item in "$input_folder"/*.json; do
+  output_file=$(echo "$item" | sed 's/\.json$/.apkg/')
+  # Invoke the binary command on the item
+  echo "$item"
+  echo "$out/$output_file"
+  "$anki_bin" render --output "$out/$output_file" "$item"
+done
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..ab9bed7
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,129 @@
+{
+  "nodes": {
+    "anki-compiler": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1694219801,
+        "narHash": "sha256-8KFSy+R0nwUeZ3U2WYvRRjEYEk8iLXwWM9onvz5pixE=",
+        "owner": "Smaug123",
+        "repo": "anki-dotnet",
+        "rev": "8d1904d5cea06c8c20f5712ba865ace2d61b6255",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Smaug123",
+        "repo": "anki-dotnet",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1692799911,
+        "narHash": "sha256-3eihraek4qL744EvQXsK1Ha6C3CR7nnT8X2qWap4RNk=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "f9e7cf818399d17d347f847525c5a5a8032e4e44",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_2"
+      },
+      "locked": {
+        "lastModified": 1694529238,
+        "narHash": "sha256-zsNZZGTGnMOf9YpHKJqMSsa0dXbfmxeoJ7xHlrt+xmY=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "ff7b65b44d01cf9ba6a71320833626af21126384",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1694021185,
+        "narHash": "sha256-v5Ie83yfsiQgp4GDRZFIsbkctEynfOdNOi67vBH12XM=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "3e233330d9f88f78c75c2a164a50807e44245007",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1688392541,
+        "narHash": "sha256-lHrKvEkCPTUO+7tPfjIcb7Trk6k31rz18vkyqmkeJfY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "ea4c80b39be4c09702b0cb3b42eab59e2ba4f24b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-22.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "anki-compiler": "anki-compiler",
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": "nixpkgs_2"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..2a5eef5
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,69 @@
+{
+  description = "Anki decks hosted on patrickstevens.co.uk";
+
+  inputs = {
+    flake-utils.url = github:numtide/flake-utils;
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-22.11";
+    anki-compiler.url = "github:Smaug123/anki-dotnet";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+    anki-compiler,
+  }: let
+    commit = self.shortRev or "dirty";
+    date = self.lastModifiedDate or self.lastModified or "19700101";
+    version = "1.0.0+${builtins.substring 0 8 date}.${commit}";
+  in
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
+    in let
+      createShellScript = name: contents:
+        pkgs.stdenv.mkDerivation {
+          __contentAddressed = true;
+          pname = name;
+          version = "0.1.0";
+          src = contents;
+
+          buildInputs = [
+            pkgs.shellcheck
+          ];
+
+          phases = ["configurePhase" "buildPhase" "installPhase"];
+
+          configurePhase = ''
+            ${pkgs.shellcheck}/bin/shellcheck "${contents}"
+          '';
+
+          buildPhase = ''
+            cp "${contents}" run.sh
+            patchShebangs run.sh
+            sed -i 's_"/bin/bash"_"${pkgs.bash}/bin/bash"_' run.sh
+            sed -i 's_"/bin/sh"_"${pkgs.bash}/bin/bash"_' run.sh
+          '';
+
+          installPhase = ''
+            mkdir -p $out
+            mv run.sh $out/run.sh
+          '';
+        };
+    in let
+      buildAnki = createShellScript "anki" ./build.sh;
+    in {
+      packages.default = pkgs.stdenv.mkDerivation {
+        __contentAddressed = true;
+        inherit version;
+        pname = "patrickstevens.co.uk-anki";
+        src = ./.;
+        buildInputs = [];
+        installPhase = ''
+          ${buildAnki}/run.sh . "${anki-compiler.packages.${system}.default}/bin/AnkiStatic" "$out"
+        '';
+      };
+      devShells.default = pkgs.mkShell {
+        buildInputs = [pkgs.alejandra pkgs.shellcheck];
+      };
+    });
+}