Setup flake.nix using gomod2nix

.gitignore

@@ -31,3 +31,6 @@ devenv.local.nix
 
 # pre-commit
 .pre-commit-config.yaml
+
+# Nix
+result

devenv.lock

@@ -16,26 +16,6 @@
         "type": "github"
       }
     },
-    "fenix": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ],
-        "rust-analyzer-src": "rust-analyzer-src"
-      },
-      "locked": {
-        "lastModified": 1730270567,
-        "owner": "nix-community",
-        "repo": "fenix",
-        "rev": "6535bb2a77a3bec73cc5b2d2ff63da8a479e32bd",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "fenix",
-        "type": "github"
-      }
-    },
     "flake-compat": {
       "flake": false,
       "locked": {
@@ -51,6 +31,23 @@
         "type": "github"
       }
     },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "gitignore": {
       "inputs": {
         "nixpkgs": [
@@ -71,18 +68,36 @@
         "type": "github"
       }
     },
+    "gomod2nix": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1729448365,
+        "owner": "nix-community",
+        "repo": "gomod2nix",
+        "rev": "5d387097aa716f35dd99d848dc26d8d5b62a104c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "gomod2nix",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1716977621,
-        "owner": "cachix",
-        "repo": "devenv-nixpkgs",
-        "rev": "4267e705586473d3e5c8d50299e71503f16a6fb6",
+        "lastModified": 1732082877,
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d0df7756dfb54b29f32ba622c28e6528242e8e6d",
         "type": "github"
       },
       "original": {
-        "owner": "cachix",
-        "ref": "rolling",
-        "repo": "devenv-nixpkgs",
+        "owner": "NixOS",
+        "ref": "master",
+        "repo": "nixpkgs",
         "type": "github"
       }
     },
@@ -101,6 +116,21 @@
         "type": "github"
       }
     },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1716977621,
+        "owner": "cachix",
+        "repo": "devenv-nixpkgs",
+        "rev": "4267e705586473d3e5c8d50299e71503f16a6fb6",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "ref": "rolling",
+        "repo": "devenv-nixpkgs",
+        "type": "github"
+      }
+    },
     "pre-commit-hooks": {
       "inputs": {
         "flake-compat": "flake-compat",
@@ -126,24 +156,22 @@
     "root": {
       "inputs": {
         "devenv": "devenv",
-        "fenix": "fenix",
-        "nixpkgs": "nixpkgs",
+        "gomod2nix": "gomod2nix",
+        "nixpkgs": "nixpkgs_2",
         "pre-commit-hooks": "pre-commit-hooks"
       }
     },
-    "rust-analyzer-src": {
-      "flake": false,
+    "systems": {
       "locked": {
-        "lastModified": 1730315096,
-        "owner": "rust-lang",
-        "repo": "rust-analyzer",
-        "rev": "8244f30eff828355f5ec92b2307c216d10caa25b",
+        "lastModified": 1681028828,
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
         "type": "github"
       },
       "original": {
-        "owner": "rust-lang",
-        "ref": "nightly",
-        "repo": "rust-analyzer",
+        "owner": "nix-systems",
+        "repo": "default",
         "type": "github"
       }
     }

devenv.nix

@@ -5,6 +5,7 @@
     pkgs.aws-vault
     pkgs.awscli2
     pkgs.cobra-cli
+    pkgs.gomod2nix
     pkgs.ssm-session-manager-plugin
   ];
 

devenv.yaml

@@ -1,8 +1,9 @@
+# yaml-language-server: $schema=https://devenv.sh/devenv.schema.json
+
 inputs:
   nixpkgs:
     url: github:cachix/devenv-nixpkgs/rolling
-  fenix:
-    url: github:nix-community/fenix
-    inputs:
-      nixpkgs:
-        follows: nixpkgs
+  gomod2nix:
+    url: github:nix-community/gomod2nix
+    overlays:
+      - default

flake.nix

@@ -0,0 +1,31 @@
+{
+  description = "Interactive CLI for ECS";
+
+  inputs = {
+    flake-utils.url = "github:numtide/flake-utils";
+    gomod2nix.url = "github:nix-community/gomod2nix";
+    gomod2nix.inputs.flake-utils.follows = "flake-utils";
+    gomod2nix.inputs.nixpkgs.follows = "nixpkgs";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+  };
+
+  outputs = { flake-utils, gomod2nix, nixpkgs, ... }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+          overlays = [
+            gomod2nix.overlays.default
+          ];
+        };
+      in
+      {
+        packages.default = pkgs.buildGoApplication {
+          pname = "iecs";
+          version = "0.1.0";
+          src = ./.;
+          modules = ./gomod2nix.toml;
+        };
+      }
+    );
+}