diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..fc1f008
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,96 @@
+{
+  "nodes": {
+    "flake-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"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1757487488,
+        "narHash": "sha256-zwE/e7CuPJUWKdvvTCB7iunV4E/+G0lKfv4kk/5Izdg=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "ab0f3607a6c7486ea22229b92ed2d355f1482ee0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1744536153,
+        "narHash": "sha256-awS2zRgF4uTwrOKwwiJcByDzDOdo3Q1rPZbiHQg/N38=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "18dd725c29603f582cf1900e0d25f9f1063dbf11",
+        "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": {
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1757644300,
+        "narHash": "sha256-bVIDYz31bCdZId441sqgkImnA7aYr2UQzQlyl+O2DWc=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "591c5ae84f066bdfc9797b217df392d58eafd088",
+        "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"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..5ca3600
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,92 @@
+{
+  description = "pdsfs - mount an atproto PDS repository as a FUSE filesystem";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, rust-overlay, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        overlays = [ (import rust-overlay) ];
+        pkgs = import nixpkgs {
+          inherit system overlays;
+        };
+
+        rustToolchain = 
+          if builtins.pathExists ./rust-toolchain.toml
+          then pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml
+          else pkgs.rust-bin.stable.latest.default.override {
+            extensions = [ "rust-src" "rust-analyzer" ];
+          };
+
+        nativeBuildInputs = with pkgs; [
+          rustToolchain
+          pkg-config
+        ];
+
+        buildInputs = with pkgs; [
+          fuse3
+          openssl
+        ] ++ lib.optionals stdenv.isDarwin [
+          darwin.apple_sdk.frameworks.Security
+          darwin.apple_sdk.frameworks.CoreServices
+        ];
+
+        pdsfs = pkgs.rustPlatform.buildRustPackage {
+          pname = "pdsfs";
+          version = "0.1.0";
+
+          src = ./.;
+
+          cargoLock = {
+            lockFile = ./Cargo.lock;
+          };
+
+          inherit nativeBuildInputs buildInputs;
+
+          # Skip tests that require network access or FUSE capabilities
+          doCheck = false;
+
+          meta = with pkgs.lib; {
+            description = "Mount an atproto PDS repository as a FUSE filesystem";
+            homepage = "https://github.com/tangled/pdsfs"; # Update with actual repository URL
+            license = licenses.mit; # Update with actual license
+            maintainers = [ ]; # Add maintainers if desired
+            platforms = platforms.linux ++ platforms.darwin;
+          };
+        };
+      in
+      {
+        packages = {
+          default = pdsfs;
+          pdsfs = pdsfs;
+        };
+
+        devShells.default = pkgs.mkShell {
+          inherit buildInputs nativeBuildInputs;
+
+          shellHook = ''
+            echo "pdsfs development environment"
+            echo "Run 'cargo build' to build the project"
+            echo "Run 'cargo run -- <handle>' to mount a PDS repository"
+            echo ""
+            echo "FUSE development notes:"
+            echo "- Ensure you have FUSE permissions (add user to 'fuse' group if needed)"
+            echo "- Use 'fusermount -u <mountpoint>' to unmount if needed"
+          '';
+        };
+
+        # Allow building with different Rust versions
+        devShells.rust-nightly = pkgs.mkShell {
+          buildInputs = buildInputs ++ [
+            (pkgs.rust-bin.nightly.latest.default.override {
+              extensions = [ "rust-src" "rust-analyzer" ];
+            })
+            pkgs.pkg-config
+          ];
+        };
+      });
+}