testcontainers-elixir/flake.nix at main · testcontainers/testcontainers-elixir · GitHub

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{
  description = "A flake template for Phoenix 1.7 projects.";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
  };

  outputs = {
    self,
    nixpkgs,
  }: let
    overlay = prev: final: rec {
      # https://github.com/erlang/otp/security/advisories/GHSA-37cp-fgq5-7wc2
      erlang = prev.beam.interpreters.erlang_27.override {
        version = "27.3.3";
        sha256 = "sha256-OTCCfVeJADxKlmgk8rRE3uzY8Y9qYwY/ubiopWG/0ao=";
      };
      beamPackages = prev.beam.packagesWith erlang;
      elixir = beamPackages.elixir_1_18;
      hex = beamPackages.hex;
      final.mix2nix = prev.mix2nix.overrideAttrs {
        nativeBuildInputs = [final.elixir];
        buildInputs = [final.erlang];
      };
    };

    forAllSystems = nixpkgs.lib.genAttrs [
      "x86_64-linux"
      "aarch64-linux"
      "x86_64-darwin"
      "aarch64-darwin"
    ];

    nixpkgsFor = system:
      import nixpkgs {
        inherit system;
        overlays = [overlay];
      };
  in {
    packages = forAllSystems (system: let
      pkgs = nixpkgsFor system;
    in {
      default = pkgs.beamPackages.mixRelease {
        pname = "testcontainers-elixir-lib";
        src = ./.;
        version = "0.1.0";
      };
    });
    devShells = forAllSystems (system: let
      pkgs = nixpkgsFor system;
    in {
      default = self.devShells.${system}.dev;
      dev = pkgs.callPackage ./shell.nix {
        dbName = "db_dev";
        mixEnv = "dev";
      };
      test = pkgs.callPackage ./shell.nix {
        dbName = "db_test";
        mixEnv = "test";
      };
      prod = pkgs.callPackage ./shell.nix {
        dbName = "db_prod";
        mixEnv = "prod";
      };
    });
  };
}