diff --git a/.envrc b/.envrc
index 1d953f4..3550a30 100644
--- a/.envrc
+++ b/.envrc
@@ -1 +1 @@
-use nix
+use flake
diff --git a/.gitignore b/.gitignore
index ea8c4bf..2d5df85 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /target
+.direnv
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..962069c
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,129 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1689068808,
+        "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
+        "type": "github"
+      },
+      "original": {
+        "id": "flake-utils",
+        "type": "indirect"
+      }
+    },
+    "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_2"
+      },
+      "locked": {
+        "lastModified": 1681202837,
+        "narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "cfacdce06f30d2b68473a46042957675eebb3401",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1691472822,
+        "narHash": "sha256-XVfYZ2oB3lNPVq6sHCY9WkdQ8lHoIDzzbpg8bB6oBxA=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "41c7605718399dcfa53dd7083793b6ae3bc969ff",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1681358109,
+        "narHash": "sha256-eKyxW4OohHQx9Urxi7TQlFBTDWII+F+x2hklDOQPB50=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "96ba1c52e54e74c3197f4d43026b3f3d92e83ff9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1691591308,
+        "narHash": "sha256-eeErUrPWCQwFHESL3vpNwkl8oyJPV6SRrVS9cPTEvYI=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "094512d7a7573ae2cb6db1a5ce4745a69b16fa46",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
+    "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..2331931
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,44 @@
+{
+  description = "Miscellaneous utility APIs hosted on jichan.org";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+  };
+
+  outputs = { self, nixpkgs, rust-overlay, flake-utils }:
+    let
+      overlays = [ (import rust-overlay) ];
+      pkgs = import nixpkgs {
+        inherit overlays;
+        system = "x86_64-linux";
+      };
+      rustSettings = with pkgs; {
+        src = ./.; 
+        nativeBuildInputs = [ pkg-config ];
+        buildInputs = [ openssl ];
+        cargoHash = nixpkgs.lib.fakeHash;
+      };
+    in
+    with pkgs; rec {
+      devShells.x86_64-linux.default = mkShell {
+        packages = [ bacon ];
+        inputsFrom = [
+          packages.x86_64-linux.tatoeba
+          packages.x86_64-linux.images
+        ];
+      };
+      packages.x86_64-linux.tatoeba = rustPlatform.buildRustPackage (rustSettings // {
+        pname = "tatoeba";
+        version = "0.1.0";
+        buildAndTestSubdir = "tatoeba";
+        cargoHash = "sha256-74Jq3saaUyPvNm/0croVOBuMtpN8xT3S4z37nutJdw4=";
+      });
+      packages.x86_64-linux.images = rustPlatform.buildRustPackage (rustSettings // {
+        pname = "images";
+        version = "0.1.0";
+        buildAndTestSubdir = "images";
+        cargoHash = "sha256-fKmTZTcJj/eYCQE9cjiXB/Pt6BdJNZ/e5cSRgbuPIJs=";
+      });
+    };
+}
diff --git a/shell.nix b/shell.nix
deleted file mode 100644
index e04cd2a..0000000
--- a/shell.nix
+++ /dev/null
@@ -1,21 +0,0 @@
-# <shell.nix>
-{ pkgs ? import <nixpkgs> {}}:
-
-let
-  rust_overlay = import (builtins.fetchTarball "https://github.com/oxalica/rust-overlay/archive/master.tar.gz");
-  pkgs = import <nixpkgs> { overlays = [ rust_overlay ]; };
-  ruststable = (pkgs.rust-bin.stable.latest.default.override {
-    extensions = [
-      "rust-src"
-    ];
-  });
-in
-pkgs.mkShell {
-  buildInputs = with pkgs; [
-    ruststable
-    rust-analyzer
-    bacon
-    pkg-config
-    openssl
-  ];
-}