feat: add nix flake and module to easy and deterministic builds

README.md

@@ -11,7 +11,12 @@ MFM (Multiverse Finance Machine) is a CLI to managing portfolio of cryptoassets
 - [ ] Add automatic hedge using levarage derivatives (futures/options)
 - [ ] Trading strategies with TA (in [mfm_server](https://github.com/willyrgf/mfm_server)?) to adjust dynamic portfolio positions
 
-## Fast local install & update using releases
+## Install via Nix profile
+```sh
+nix profile install github:willyrgf/mfm
+```
+
+## Local install & update using releases
 
 ### *nix (?)
 ```sh
@@ -24,7 +29,6 @@ LATEST_APP_URL="$( \
 )"
 curl -s -L $LATEST_APP_URL -O
 unzip -qo ${LATEST_APP_URL##*/}
-
 ```
 
 ## res/ directory

default.nix

@@ -0,0 +1,26 @@
+{ pkgs }:
+let
+  common = {
+    version = "0.1.29";
+    src = ./.;
+
+    cargoLock = {
+      lockFile = ./Cargo.lock;
+    };
+
+    buildInputs = with pkgs;[
+      darwin.apple_sdk.frameworks.Security
+      pkg-config
+      openssl
+    ];
+  };
+in {
+  mfm = pkgs.rustPlatform.buildRustPackage (common // {
+    pname = "mfm";
+    meta = {
+          description = "An Nix module for MFM CLI";
+          license = pkgs.lib.licenses.mit;
+          homepage = "https://github.com/willyrgf/mfm";
+    };
+  });
+}

flake.nix

@@ -0,0 +1,26 @@
+{
+  description = "A flake for the MFM CLI";
+
+  inputs = {
+    rust-overlay.url = "github:oxalica/rust-overlay";
+    nixpkgs.url      = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url  = "github:numtide/flake-utils";
+  };
+
+  outputs = { nixpkgs, rust-overlay, flake-utils, ... }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        overlays = [ (import rust-overlay) ];
+        pkgs = import nixpkgs {
+          inherit system overlays;
+        }; 
+
+        packages = pkgs.callPackage ./. {};
+      in
+      {
+        packages = {          
+          default = packages.mfm;
+        };
+      }
+    );
+}