manage development environment with nix and direnv

.envrc

@@ -0,0 +1 @@
+use flake

.gitignore

@@ -1,5 +1,7 @@
 .vscode
 .idea
 
+.direnv
+
 vendor
 bin

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1697009197,
+        "narHash": "sha256-viVRhBTFT8fPJTb1N3brQIpFZnttmwo3JVKNuWRVc3s=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "01441e14af5e29c9d27ace398e6dd0b293e25a54",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,29 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  };
+  outputs = { nixpkgs, ... }: {
+    packages = nixpkgs.lib.genAttrs [ "x86_64-linux" "x86_64-darwin" ] (system:
+      let pkgs = import nixpkgs { inherit system; }; in {
+        default = pkgs.buildGoModule {
+          pname = "demo-signaling-server";
+          version = "0.0.1";
+
+          src = ./.;
+
+          vendorHash = "sha256-IUPGl5vHLyzbTVYsCLu4lIWoyq0h96deQ7q/nnVkPjc=";
+        };
+      });
+    devShells = nixpkgs.lib.genAttrs [ "x86_64-linux" "x86_64-darwin" ] (system:
+      let pkgs = import nixpkgs { inherit system; }; in {
+        default = pkgs.mkShell {
+          packages = with pkgs; [
+            go
+
+            gopls
+            golangci-lint
+          ];
+        };
+      });
+  };
+}