{ description = "Application packaged using poetry2nix"; inputs.flake-utils.url = "github:numtide/flake-utils"; inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; inputs.poetry2nix = { url = "github:nix-community/poetry2nix"; inputs.nixpkgs.follows = "nixpkgs"; }; outputs = { self, nixpkgs, flake-utils, poetry2nix }: { # Nixpkgs overlay providing the application overlay = nixpkgs.lib.composeManyExtensions [ poetry2nix.overlay (final: prev: { # The application myapp = prev.poetry2nix.mkPoetryApplication { projectDir = ./.; }; }) ]; } // (flake-utils.lib.eachDefaultSystem (system: let pkgs = import nixpkgs { inherit system; overlays = [ self.overlay ]; }; in { apps = { myapp = pkgs.myapp; }; defaultApp = pkgs.myapp; devShell = pkgs.mkShell { buildInputs = with pkgs; [ (python310.withPackages (ps: with ps; [ poetry ])) ]; }; })); }