add basic flakes action image

.gitignore

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+result
+result/
+

README.md

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+* `nix build '.#flakes-action'
+

flake.lock

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+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1689068808,
+        "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1691654369,
+        "narHash": "sha256-gSILTEx1jRaJjwZxRlnu3ZwMn1FVNk80qlwiCX8kmpo=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "ce5e4a6ef2e59d89a971bc434ca8ca222b9c7f5e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "docker base images";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+        pkgsStatic = pkgs.pkgsStatic;
+        lib = pkgs.lib;
+
+        rustPlatform = pkgs.makeRustPlatform {
+          cargo = pkgs.cargo;
+          rustc = pkgs.rustc;
+        };
+
+      in {
+        packages = {
+         flakes-action = pkgs.dockerTools.buildImage {
+            name = "flakes-action";
+            contents = with pkgs; [
+              bash
+              coreutils
+              curl
+              gawk
+              git-lfs
+              gnused
+              nodejs
+              wget
+              sudo
+              nix
+            ];
+            config = { 
+                Env = [
+                  "LANG=en_GB.UTF-8"
+                ];
+            };
+            extraCommands = ''
+            '';
+
+          };
+
+        };
+
+        devShells = {
+          default = (pkgs.mkShell {
+            buildInputs = (with pkgs; [
+              git-lfs
+              node
+            ]);
+
+          });
+        };
+      });
+}
+