diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.gitignore b/.gitignore
index f5e9505..19f05ce 100644
--- a/.gitignore
+++ b/.gitignore
@@ -62,3 +62,9 @@ conduit.db
 
 # Etc.
 **/*.rs.bk
+
+# Nix artifacts
+/result*
+
+# Direnv cache
+/.direnv
diff --git a/.gitlab/CODEOWNERS b/.gitlab/CODEOWNERS
new file mode 100644
index 0000000..20ec9fa
--- /dev/null
+++ b/.gitlab/CODEOWNERS
@@ -0,0 +1,4 @@
+# Nix things
+.envrc @CobaltCause
+flake.lock @CobaltCause
+flake.nix @CobaltCause
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..9217ff2
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,102 @@
+{
+  "nodes": {
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1665815894,
+        "narHash": "sha256-Vboo1L4NMGLKZKVLnOPi9OHlae7uoNyfgvyIUm+SVXE=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "2348450241a5f945f0ba07e44ecbfac2f541d7f4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1659877975,
+        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "naersk": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1662220400,
+        "narHash": "sha256-9o2OGQqu4xyLZP9K6kNe1pTHnyPz0Wr3raGYnr9AIgY=",
+        "owner": "nix-community",
+        "repo": "naersk",
+        "rev": "6944160c19cb591eb85bbf9b2f2768a935623ed3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "naersk",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1665856037,
+        "narHash": "sha256-/RvIWnGKdTSoIq5Xc2HwPIL0TzRslzU6Rqk4Img6UNg=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "c95ebc5125ffffcd431df0ad8620f0926b8125b8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "fenix": "fenix",
+        "flake-utils": "flake-utils",
+        "naersk": "naersk",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1665765556,
+        "narHash": "sha256-w9L5j0TIB5ay4aRwzGCp8mgvGsu5dVJQvbEFutwr6xE=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "018b8429cf3fa9d8aed916704e41dfedeb0f4f78",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..924300c
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,75 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs";
+    flake-utils.url = "github:numtide/flake-utils";
+
+    fenix = {
+      url = "github:nix-community/fenix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    naersk = {
+      url = "github:nix-community/naersk";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs =
+    { self
+    , nixpkgs
+    , flake-utils
+
+    , fenix
+    , naersk
+    }: flake-utils.lib.eachDefaultSystem (system:
+    let
+      pkgs = nixpkgs.legacyPackages.${system};
+
+      # Nix-accessible `Cargo.toml`
+      cargoToml = builtins.fromTOML (builtins.readFile ./Cargo.toml);
+
+      # The Rust toolchain to use
+      toolchain = fenix.packages.${system}.toolchainOf {
+        # Use the Rust version defined in `Cargo.toml`
+        channel = cargoToml.package.rust-version;
+
+        # This will need to be updated when `package.rust-version` is changed in
+        # `Cargo.toml`
+        sha256 = "sha256-KXx+ID0y4mg2B3LHp7IyaiMrdexF6octADnAtFIOjrY=";
+      };
+
+      builder = (pkgs.callPackage naersk {
+        inherit (toolchain) rustc cargo;
+      }).buildPackage;
+    in
+    {
+      packages.default = builder {
+        src = ./.;
+
+        nativeBuildInputs = (with pkgs.rustPlatform; [
+          bindgenHook
+        ]);
+      };
+
+      devShells.default = pkgs.mkShell {
+        # Rust Analyzer needs to be able to find the path to default crate
+        # sources, and it can read this environment variable to do so
+        RUST_SRC_PATH = "${toolchain.rust-src}/lib/rustlib/src/rust/library";
+
+        # Development tools
+        nativeBuildInputs = (with pkgs.rustPlatform; [
+          bindgenHook
+        ]) ++ (with toolchain; [
+          cargo
+          clippy
+          rust-src
+          rustc
+          rustfmt
+        ]);
+      };
+
+      checks = {
+        packagesDefault = self.packages.${system}.default;
+        devShellsDefault = self.devShells.${system}.default;
+      };
+    });
+}