[Feature] :: Use Nix to generate Docker Image and Dev Environment

.env.template

@@ -0,0 +1 @@
+IMAGE_NAME=Change_me

.envrc

@@ -0,0 +1,3 @@
+source_url "https://raw.githubusercontent.com/cachix/devenv/95f329d49a8a5289d31e0982652f7058a189bfca/direnvrc" "sha256-d+8cBpDfDBj41inrADaJt+bDWhOktwslgoP5YiGJ1v0="
+
+use devenv

.gitignore

@@ -32,3 +32,13 @@ e2e/playwright-report/
 e2e/playwright/.cache/
 /backend/build_info/version.txt
 /backend/dist
+# Devenv
+.devenv*
+devenv.local.nix
+
+# direnv
+.direnv
+
+# pre-commit
+.pre-commit-config.yaml
+.env

devenv.lock

@@ -0,0 +1,210 @@
+{
+  "nodes": {
+    "devenv": {
+      "locked": {
+        "dir": "src/modules",
+        "lastModified": 1717698746,
+        "owner": "cachix",
+        "repo": "devenv",
+        "rev": "866ecadab5d92cdbb296723f67fa464d01401d9a",
+        "treeHash": "9d43a86d5c69469287da4740c8627624e9b7076c",
+        "type": "github"
+      },
+      "original": {
+        "dir": "src/modules",
+        "owner": "cachix",
+        "repo": "devenv",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "treeHash": "2addb7b71a20a25ea74feeaf5c2f6a6b30898ecb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1710146030,
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "treeHash": "bd263f021e345cb4a39d80c126ab650bebc3c10c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "pre-commit-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "treeHash": "ca14199cabdfe1a06a7b1654c76ed49100a689f9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "go_1_20_revision": {
+      "locked": {
+        "lastModified": 1708814358,
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "336eda0d07dc5e2be1f923990ad9fdb6bc8e28e3",
+        "treeHash": "277a62f1f87f693e5e82230315ea9d814ae55561",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "336eda0d07dc5e2be1f923990ad9fdb6bc8e28e3",
+        "type": "github"
+      }
+    },
+    "mk-shell-bin": {
+      "locked": {
+        "lastModified": 1677004959,
+        "owner": "rrbutani",
+        "repo": "nix-mk-shell-bin",
+        "rev": "ff5d8bd4d68a347be5042e2f16caee391cd75887",
+        "treeHash": "496327dabdc787353a29987f492dd4939151baad",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rrbutani",
+        "repo": "nix-mk-shell-bin",
+        "type": "github"
+      }
+    },
+    "nix2container": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1712990762,
+        "owner": "nlewo",
+        "repo": "nix2container",
+        "rev": "20aad300c925639d5d6cbe30013c8357ce9f2a2e",
+        "treeHash": "f9359d4b4e79c4e798a3018ae0ce3cb4317d4612",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nlewo",
+        "repo": "nix2container",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1716977621,
+        "owner": "cachix",
+        "repo": "devenv-nixpkgs",
+        "rev": "4267e705586473d3e5c8d50299e71503f16a6fb6",
+        "treeHash": "6d9f1f7ca0faf1bc2eeb397c78a49623260d3412",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "ref": "rolling",
+        "repo": "devenv-nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-stable": {
+      "locked": {
+        "lastModified": 1717530100,
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "a2e1d0414259a144ebdc048408a807e69e0565af",
+        "treeHash": "d1a59f4c20789566e0ef4b5471521a4fc58963a1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-23.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "pre-commit-hooks": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "nixpkgs-stable": "nixpkgs-stable"
+      },
+      "locked": {
+        "lastModified": 1717664902,
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "cc4d466cb1254af050ff7bdf47f6d404a7c646d1",
+        "treeHash": "def977583217aad11744d144c1f7fc216ce450bf",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "devenv": "devenv",
+        "go_1_20_revision": "go_1_20_revision",
+        "mk-shell-bin": "mk-shell-bin",
+        "nix2container": "nix2container",
+        "nixpkgs": "nixpkgs",
+        "pre-commit-hooks": "pre-commit-hooks"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "treeHash": "cce81f2a0f0743b2eb61bc2eb6c7adbe2f2c6beb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

devenv.nix

@@ -0,0 +1,31 @@
+{ pkgs, lib, config, inputs, ... }:
+let 
+    goPkgs = pkgs.callPackage inputs.go_1_20_revision { };
+in 
+{
+  dotenv.enable = true;
+  dotenv.filename = ".env";
+
+  name = "hanko";
+
+  packages = [
+    goPkgs.go_1_20
+    pkgs.git
+    pkgs.nixpacks
+  ];
+
+  enterShell = ''
+    if [[ ! -f .env ]]; then
+      cp .env.template .env
+      echo "Created a new .env file from .env.example"
+    fi
+  '';
+
+  scripts = {
+    build_image.exec = ''
+      nixpacks build ./backend \
+        --name ${config.env.IMAGE_NAME}
+    '';
+    build_push_image.exec = "build_image && docker push ${config.env.IMAGE_NAME}";
+  };
+}

devenv.yaml

@@ -0,0 +1,12 @@
+inputs:
+  nix2container:
+    url: github:nlewo/nix2container
+    inputs:
+      nixpkgs:
+        follows: nixpkgs
+  mk-shell-bin:
+    url: github:rrbutani/nix-mk-shell-bin
+  nixpkgs:
+    url: github:cachix/devenv-nixpkgs/rolling
+  go_1_20_revision:
+    url: github:NixOS/nixpkgs?rev=336eda0d07dc5e2be1f923990ad9fdb6bc8e28e3

nixpacks.toml

@@ -0,0 +1,6 @@
+[phases.setup]
+    nixpkgsArchive = '336eda0d07dc5e2be1f923990ad9fdb6bc8e28e3'
+    nixPkgs = [ "go_1_20" ]
+
+[phases.build]
+    cmd = "go generate ./... && CGO_ENABLED=0 GOOS=linux GOARCH='$TARGETARCH' go build -a -o hanko main.go"