Make repo a Nix flake

.gitignore

@@ -2,3 +2,4 @@ bottin
 bottin.static
 config.json
 test/test
+result

flake.lock

@@ -0,0 +1,79 @@
+{
+  "nodes": {
+    "gomod2nix": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "utils": "utils"
+      },
+      "locked": {
+        "lastModified": 1655245309,
+        "narHash": "sha256-d/YPoQ/vFn1+GTmSdvbSBSTOai61FONxB4+Lt6w/IVI=",
+        "owner": "tweag",
+        "repo": "gomod2nix",
+        "rev": "40d32f82fc60d66402eb0972e6e368aeab3faf58",
+        "type": "github"
+      },
+      "original": {
+        "owner": "tweag",
+        "repo": "gomod2nix",
+        "rev": "40d32f82fc60d66402eb0972e6e368aeab3faf58",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1653581809,
+        "narHash": "sha256-Uvka0V5MTGbeOfWte25+tfRL3moECDh1VwokWSZUdoY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "83658b28fe638a170a19b8933aa008b30640fbd1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1669764884,
+        "narHash": "sha256-1qWR/5+WtqxSedrFbUbM3zPMO7Ec2CGWaxtK4z4DdvY=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "0244e143dc943bcf661fdaf581f01eb0f5000fcf",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "0244e143dc943bcf661fdaf581f01eb0f5000fcf",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "gomod2nix": "gomod2nix",
+        "nixpkgs": "nixpkgs_2"
+      }
+    },
+    "utils": {
+      "locked": {
+        "lastModified": 1653893745,
+        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,39 @@
+{
+  description = "Bottin is a LDAP server that uses Consul's key-value store as a storage backend";
+
+  inputs.nixpkgs.url = "github:nixos/nixpkgs/0244e143dc943bcf661fdaf581f01eb0f5000fcf";
+  inputs.gomod2nix.url = "github:tweag/gomod2nix/40d32f82fc60d66402eb0972e6e368aeab3faf58";
+
+  outputs = { self, nixpkgs, gomod2nix }:
+  let
+    pkgs = import nixpkgs {
+      system = "x86_64-linux";
+      overlays = [
+        (self: super: {
+          gomod = super.callPackage "${gomod2nix}/builder/" { };
+        })
+      ];
+    };
+    bottin = pkgs.gomod.buildGoApplication {
+      pname = "bottin-bin";
+      version = "0.1.0";
+      src = builtins.filterSource
+        (path: type:  (builtins.match ".*/test/.*\\.(go|sum|mod)" path) == null)
+        ./.;
+      modules = ./gomod2nix.toml;
+
+      CGO_ENABLED=0;
+
+      meta = with pkgs.lib; {
+        description = "A cloud-native LDAP server backed by a Consul datastore";
+        homepage = "https://git.deuxfleurs.fr/Deuxfleurs/bottin";
+        license = licenses.gpl3Plus;
+        platforms = platforms.linux;
+      };
+    };
+  in
+  {
+    packages.x86_64-linux.bottin = bottin;
+    packages.x86_64-linux.default = self.packages.x86_64-linux.bottin;
+  };
+}