diff --git a/flake.lock b/flake.lock
new file mode 100644
index 000000000..befd76037
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,60 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1705309234,
+        "narHash": "sha256-uNRRNRKmJyCRC/8y1RqBkqWBLM034y4qN7EprSdmgyA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "1ef2e671c3b0c19053962c07dbda38332dcebf26",
+        "type": "github"
+      },
+      "original": {
+        "id": "flake-utils",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1706487304,
+        "narHash": "sha256-LE8lVX28MV2jWJsidW13D2qrHU/RUUONendL2Q/WlJg=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "90f456026d284c22b3e3497be980b2e47d0b28ac",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "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 000000000..e6cd43d9c
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,15 @@
+{
+  description = "misskey dev";
+  #inputs = { nixpkgs.url = "github:NixOS/nixpkgs/release-23.05"; };
+  inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable"; };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+          overlays = [ (final: prev: { nodejs = prev.nodejs_20; }) ];
+        };
+        #nixpkgs.legacyPackages.${system};
+      in { devShells.default = import ./shell.nix { inherit pkgs; }; });
+}
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 000000000..1d60a2062
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,9 @@
+{ pkgs ? import <nixpkgs> { } }:
+with pkgs;
+mkShell {
+  buildInputs = [ redis postgresql_15 nodejs nodePackages.pnpm cypress ];
+  shellHook = ''
+    export CYPRESS_INSTALL_BINARY=0
+    export CYPRESS_RUN_BINARY=${cypress}/bin/Cypress
+  '';
+}