add flake

Signed-off-by: Mark Sagi-Kazar <[email protected]>

.envrc

@@ -0,0 +1,8 @@
+if ! has nix_direnv_version || ! nix_direnv_version 2.3.0; then
+  source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/2.3.0/direnvrc" "sha256-Dmd+j63L84wuzgyjITIfSxSD57Tx7v51DMxVZOsiUD8="
+fi
+use flake . --impure
+
+# Kubernetes
+export KUBECONFIG=$DEVENV_STATE/kube/config
+export KIND_CLUSTER_NAME=vault-operator

.gitignore

@@ -1,2 +1,3 @@
-dist/
-.idea
+/.devenv/
+/.direnv/
+/dist/

flake.nix

@@ -0,0 +1,59 @@
+{
+  description = "Run main.go in Kubernetes with one command, also port-forward your app into Kubernetes";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    flake-parts.url = "github:hercules-ci/flake-parts";
+    devenv.url = "github:cachix/devenv";
+  };
+
+  outputs = inputs@{ flake-parts, ... }:
+    flake-parts.lib.mkFlake { inherit inputs; } {
+      imports = [
+        inputs.devenv.flakeModule
+      ];
+
+      systems = [ "x86_64-linux" "x86_64-darwin" "aarch64-darwin" ];
+
+      perSystem = { config, self', inputs', pkgs, system, ... }: rec {
+        devenv.shells = {
+          default = {
+            languages = {
+              go.enable = true;
+            };
+
+            packages = with pkgs; [
+              gnumake
+
+              golangci-lint
+              goreleaser
+
+              kind
+              kubectl
+              kustomize
+            ];
+
+            scripts = {
+              versions.exec = ''
+                go version
+                golangci-lint version
+                echo "goreleaser $(goreleaser --version | sed -n '9p' | cut -d ' ' -f 5)"
+                kind version
+                kubectl version --client
+                echo kustomize $(kustomize version --short)
+              '';
+            };
+
+            enterShell = ''
+              versions
+            '';
+
+            # https://github.com/cachix/devenv/issues/528#issuecomment-1556108767
+            containers = pkgs.lib.mkForce { };
+          };
+
+          ci = devenv.shells.default;
+        };
+      };
+    };
+}