diff --git a/.github/workflows/flake.yml b/.github/workflows/flake.yml
new file mode 100644
index 0000000..fd8af15
--- /dev/null
+++ b/.github/workflows/flake.yml
@@ -0,0 +1,56 @@
+---
+name: flake
+
+"on":
+  workflow_dispatch:
+  schedule:
+    - cron: "0 8 * * 1"
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  flake:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Generate token
+        id: token
+        uses: tibdex/github-app-token@v2
+        with:
+          app_id: ${{ secrets.TOKEN_EXCHANGE_APP }}
+          installation_retrieval_mode: id
+          installation_retrieval_payload: ${{ secrets.TOKEN_EXCHANGE_INSTALL }}
+          private_key: ${{ secrets.TOKEN_EXCHANGE_KEY }}
+          permissions: >-
+            {"contents": "write", "pull_requests": "write"}
+
+      - name: Checkout source
+        id: source
+        uses: actions/checkout@v4
+
+      - name: Install nix
+        id: nix
+        uses: cachix/install-nix-action@v27
+
+      - name: Update flake
+        id: flake
+        uses: DeterminateSystems/update-flake-lock@v23
+        with:
+          commit-msg: "chore(flake): updated lockfile"
+          pr-title: "chore: automated flake update"
+          pr-body: "New flakelock generated, automerge should handle that!"
+          pr-labels: renovate
+          git-author-name: GitHub Actions
+          git-author-email: github@webhippie.de
+          token: ${{ steps.token.outputs.token }}
+
+      - name: Enable automerge
+        id: automerge
+        if: steps.flake.outputs.pull-request-operation == 'created'
+        run: gh pr merge --rebase --auto "${{ steps.flake.outputs.pull-request-number }}"
+        env:
+          GH_TOKEN: ${{ steps.token.outputs.token }}
+
+...
diff --git a/.gitignore b/.gitignore
index b2e4696..a2394a0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 .direnv
+.devenv
 coverage.out
 
 /bin
diff --git a/flake.lock b/flake.lock
index ad5fa91..06581f4 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,21 +1,133 @@
 {
   "nodes": {
-    "devshell": {
+    "cachix": {
       "inputs": {
+        "devenv": "devenv_2",
+        "flake-compat": [
+          "devenv",
+          "flake-compat"
+        ],
+        "nixpkgs": [
+          "devenv",
+          "nixpkgs"
+        ],
+        "pre-commit-hooks": [
+          "devenv",
+          "pre-commit-hooks"
+        ]
+      },
+      "locked": {
+        "lastModified": 1712055811,
+        "narHash": "sha256-7FcfMm5A/f02yyzuavJe06zLa9hcMHsagE28ADcmQvk=",
+        "owner": "cachix",
+        "repo": "cachix",
+        "rev": "02e38da89851ec7fec3356a5c04bc8349cae0e30",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "cachix",
+        "type": "github"
+      }
+    },
+    "devenv": {
+      "inputs": {
+        "cachix": "cachix",
+        "flake-compat": "flake-compat_2",
+        "nix": "nix_2",
+        "nixpkgs": "nixpkgs_2",
+        "pre-commit-hooks": "pre-commit-hooks"
+      },
+      "locked": {
+        "lastModified": 1721650703,
+        "narHash": "sha256-GNPOqEGUd+AMiR84AD7yiPFQd/c/6K1URkBx9SL8dbk=",
+        "owner": "cachix",
+        "repo": "devenv",
+        "rev": "6450828d038d743e97e2e7ff567ce5fa9f17a224",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "devenv",
+        "type": "github"
+      }
+    },
+    "devenv_2": {
+      "inputs": {
+        "flake-compat": [
+          "devenv",
+          "cachix",
+          "flake-compat"
+        ],
+        "nix": "nix",
         "nixpkgs": "nixpkgs",
-        "systems": "systems"
+        "poetry2nix": "poetry2nix",
+        "pre-commit-hooks": [
+          "devenv",
+          "cachix",
+          "pre-commit-hooks"
+        ]
       },
       "locked": {
-        "lastModified": 1698410321,
-        "narHash": "sha256-MphuSlgpmKwtJncGMohryHiK55J1n6WzVQ/OAfmfoMc=",
-        "owner": "numtide",
-        "repo": "devshell",
-        "rev": "1aed986e3c81a4f6698e85a7452cbfcc4b31a36e",
+        "lastModified": 1708704632,
+        "narHash": "sha256-w+dOIW60FKMaHI1q5714CSibk99JfYxm0CzTinYWr+Q=",
+        "owner": "cachix",
+        "repo": "devenv",
+        "rev": "2ee4450b0f4b95a1b90f2eb5ffea98b90e48c196",
         "type": "github"
       },
       "original": {
-        "owner": "numtide",
-        "repo": "devshell",
+        "owner": "cachix",
+        "ref": "python-rewrite",
+        "repo": "devenv",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1673956053,
+        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-compat_2": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-compat_3": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
         "type": "github"
       }
     },
@@ -24,25 +136,182 @@
         "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
-        "lastModified": 1698579227,
-        "narHash": "sha256-KVWjFZky+gRuWennKsbo6cWyo7c/z/VgCte5pR9pEKg=",
+        "lastModified": 1719994518,
+        "narHash": "sha256-pQMhCCHyQGRzdfAkdJ4cIWiw+JNuWsTX7f0ZYSyz0VY=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "f76e870d64779109e41370848074ac4eaa1606ec",
+        "rev": "9227223f6d922fee3c7b190b2cc238a99527bbb7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "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"
+      }
+    },
+    "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_2"
+      },
+      "locked": {
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "devenv",
+          "pre-commit-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "gitignore_2": {
+      "inputs": {
+        "nixpkgs": [
+          "pre-commit-hooks-nix",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "nix": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "nixpkgs": [
+          "devenv",
+          "cachix",
+          "devenv",
+          "nixpkgs"
+        ],
+        "nixpkgs-regression": "nixpkgs-regression"
+      },
+      "locked": {
+        "lastModified": 1712911606,
+        "narHash": "sha256-BGvBhepCufsjcUkXnEEXhEVjwdJAwPglCC2+bInc794=",
+        "owner": "domenkozar",
+        "repo": "nix",
+        "rev": "b24a9318ea3f3600c1e24b4a00691ee912d4de12",
+        "type": "github"
+      },
+      "original": {
+        "owner": "domenkozar",
+        "ref": "devenv-2.21",
+        "repo": "nix",
+        "type": "github"
+      }
+    },
+    "nix-github-actions": {
+      "inputs": {
+        "nixpkgs": [
+          "devenv",
+          "cachix",
+          "devenv",
+          "poetry2nix",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1688870561,
+        "narHash": "sha256-4UYkifnPEw1nAzqqPOTL2MvWtm3sNGw1UTYTalkTcGY=",
+        "owner": "nix-community",
+        "repo": "nix-github-actions",
+        "rev": "165b1650b753316aa7f1787f3005a8d2da0f5301",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nix-github-actions",
+        "type": "github"
+      }
+    },
+    "nix_2": {
+      "inputs": {
+        "flake-compat": [
+          "devenv",
+          "flake-compat"
+        ],
+        "nixpkgs": [
+          "devenv",
+          "nixpkgs"
+        ],
+        "nixpkgs-regression": "nixpkgs-regression_2"
+      },
+      "locked": {
+        "lastModified": 1712911606,
+        "narHash": "sha256-BGvBhepCufsjcUkXnEEXhEVjwdJAwPglCC2+bInc794=",
+        "owner": "domenkozar",
+        "repo": "nix",
+        "rev": "b24a9318ea3f3600c1e24b4a00691ee912d4de12",
         "type": "github"
       },
       "original": {
-        "id": "flake-parts",
-        "type": "indirect"
+        "owner": "domenkozar",
+        "ref": "devenv-2.21",
+        "repo": "nix",
+        "type": "github"
       }
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1677383253,
-        "narHash": "sha256-UfpzWfSxkfXHnb4boXZNaKsAcUrZT9Hw+tao1oZxd08=",
+        "lastModified": 1692808169,
+        "narHash": "sha256-x9Opq06rIiwdwGeK2Ykj69dNc2IvUH1fY55Wm7atwrE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "9952d6bc395f5841262b006fbace8dd7e143b634",
+        "rev": "9201b5ff357e781bf014d0330d18555695df7ba8",
         "type": "github"
       },
       "original": {
@@ -54,29 +323,103 @@
     },
     "nixpkgs-lib": {
       "locked": {
-        "dir": "lib",
-        "lastModified": 1696019113,
-        "narHash": "sha256-X3+DKYWJm93DRSdC5M6K5hLqzSya9BjibtBsuARoPco=",
+        "lastModified": 1719876945,
+        "narHash": "sha256-Fm2rDDs86sHy0/1jxTOKB1118Q0O3Uc7EC0iXvXKpbI=",
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/5daf0514482af3f97abaefc78a6606365c9108e2.tar.gz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/5daf0514482af3f97abaefc78a6606365c9108e2.tar.gz"
+      }
+    },
+    "nixpkgs-regression": {
+      "locked": {
+        "lastModified": 1643052045,
+        "narHash": "sha256-uGJ0VXIhWKGXxkeNnq4TvV3CIOkUJ3PAoLZ3HMzNVMw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "f5892ddac112a1e9b3612c39af1b72987ee5783a",
+        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
         "type": "github"
       },
       "original": {
-        "dir": "lib",
         "owner": "NixOS",
-        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
+        "type": "github"
+      }
+    },
+    "nixpkgs-regression_2": {
+      "locked": {
+        "lastModified": 1643052045,
+        "narHash": "sha256-uGJ0VXIhWKGXxkeNnq4TvV3CIOkUJ3PAoLZ3HMzNVMw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
+        "type": "github"
+      }
+    },
+    "nixpkgs-stable": {
+      "locked": {
+        "lastModified": 1710695816,
+        "narHash": "sha256-3Eh7fhEID17pv9ZxrPwCLfqXnYP006RKzSs0JptsN84=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "614b4613980a522ba49f0d194531beddbb7220d3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-23.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-stable_2": {
+      "locked": {
+        "lastModified": 1720386169,
+        "narHash": "sha256-NGKVY4PjzwAa4upkGtAMz1npHGoRzWotlSnVlqI40mo=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "194846768975b7ad2c4988bdb82572c00222c0d7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.05",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1698318101,
-        "narHash": "sha256-gUihHt3yPD7bVqg+k/UVHgngyaJ3DMEBchbymBMvK1E=",
+        "lastModified": 1713361204,
+        "narHash": "sha256-TA6EDunWTkc5FvDCqU3W2T3SFn0gRZqh6D/hJnM02MM=",
+        "owner": "cachix",
+        "repo": "devenv-nixpkgs",
+        "rev": "285676e87ad9f0ca23d8714a6ab61e7e027020c6",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "ref": "rolling",
+        "repo": "devenv-nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1721562059,
+        "narHash": "sha256-Tybxt65eyOARf285hMHIJ2uul8SULjFZbT9ZaEeUnP8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "63678e9f3d3afecfeafa0acead6239cdb447574c",
+        "rev": "68c9ed8bbed9dfce253cc91560bf9043297ef2fe",
         "type": "github"
       },
       "original": {
@@ -86,11 +429,102 @@
         "type": "github"
       }
     },
+    "nixpkgs_4": {
+      "locked": {
+        "lastModified": 1719082008,
+        "narHash": "sha256-jHJSUH619zBQ6WdC21fFAlDxHErKVDJ5fpN0Hgx4sjs=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "9693852a2070b398ee123a329e68f0dab5526681",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "poetry2nix": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nix-github-actions": "nix-github-actions",
+        "nixpkgs": [
+          "devenv",
+          "cachix",
+          "devenv",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1692876271,
+        "narHash": "sha256-IXfZEkI0Mal5y1jr6IRWMqK8GW2/f28xJenZIPQqkY0=",
+        "owner": "nix-community",
+        "repo": "poetry2nix",
+        "rev": "d5006be9c2c2417dafb2e2e5034d83fabd207ee3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "poetry2nix",
+        "type": "github"
+      }
+    },
+    "pre-commit-hooks": {
+      "inputs": {
+        "flake-compat": [
+          "devenv",
+          "flake-compat"
+        ],
+        "flake-utils": "flake-utils_2",
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "devenv",
+          "nixpkgs"
+        ],
+        "nixpkgs-stable": "nixpkgs-stable"
+      },
+      "locked": {
+        "lastModified": 1713775815,
+        "narHash": "sha256-Wu9cdYTnGQQwtT20QQMg7jzkANKQjwBD9iccfGKkfls=",
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "2ac4dcbf55ed43f3be0bae15e181f08a57af24a4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
+    "pre-commit-hooks-nix": {
+      "inputs": {
+        "flake-compat": "flake-compat_3",
+        "gitignore": "gitignore_2",
+        "nixpkgs": "nixpkgs_4",
+        "nixpkgs-stable": "nixpkgs-stable_2"
+      },
+      "locked": {
+        "lastModified": 1721042469,
+        "narHash": "sha256-6FPUl7HVtvRHCCBQne7Ylp4p+dpP3P/OYuzjztZ4s70=",
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "f451c19376071a90d8c58ab1a953c6e9840527fd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
-        "devshell": "devshell",
+        "devenv": "devenv",
         "flake-parts": "flake-parts",
-        "nixpkgs": "nixpkgs_2"
+        "nixpkgs": "nixpkgs_3",
+        "pre-commit-hooks-nix": "pre-commit-hooks-nix"
       }
     },
     "systems": {
@@ -107,6 +541,21 @@
         "repo": "default",
         "type": "github"
       }
+    },
+    "systems_2": {
+      "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",
diff --git a/flake.nix b/flake.nix
index 9b171a7..9f6ea71 100644
--- a/flake.nix
+++ b/flake.nix
@@ -6,15 +6,24 @@
       url = "github:NixOS/nixpkgs/nixos-unstable";
     };
 
-    devshell = {
-      url = "github:numtide/devshell";
+    devenv = {
+      url = "github:cachix/devenv";
+    };
+
+    pre-commit-hooks-nix = {
+      url = "github:cachix/pre-commit-hooks.nix";
+    };
+
+    flake-parts = {
+      url = "github:hercules-ci/flake-parts";
     };
   };
 
   outputs = inputs@{ flake-parts, ... }:
     flake-parts.lib.mkFlake { inherit inputs; } {
       imports = [
-        inputs.devshell.flakeModule
+        inputs.devenv.flakeModule
+        inputs.pre-commit-hooks-nix.flakeModule
       ];
 
       systems = [
@@ -25,20 +34,48 @@
       ];
 
       perSystem = { config, self', inputs', pkgs, system, ... }: {
-        devshells = {
-          default = {
-            motd = ''
-              {202}🔨 Welcome to devshell{reset}
-            '';
+        imports = [
+          {
+            _module.args.pkgs = import inputs.nixpkgs {
+              inherit system;
+              config.allowUnfree = true;
+            };
+          }
+        ];
+
+        pre-commit = {
+          settings = {
+            hooks = {
+              nixpkgs-fmt = {
+                enable = true;
+              };
+              golangci-lint = {
+                enable = true;
+              };
+            };
+          };
+        };
 
-            commands = [
+        devenv = {
+          shells = {
+            default = {
+              languages = {
+                go = {
+                  enable = true;
+                  package = pkgs.go_1_22;
+                };
+              };
 
-            ];
+              packages = with pkgs; [
+                bingo
+                gnumake
+                nixpkgs-fmt
+              ];
 
-            packages = with pkgs; [
-              gnumake
-              go
-            ];
+              env = {
+                CGO_ENABLED = "0";
+              };
+            };
           };
         };
       };