diff --git a/.envrc b/.envrc
index 2066d11..826e7ca 100644
--- a/.envrc
+++ b/.envrc
@@ -38,7 +38,10 @@ layout_poetry() {
     export VIRTUAL_ENV
 }
 
-layout poetry
+if ! has nix; then
+    layout poetry
+fi
+
 export PROJECT_DIR=$(pwd)
 export WEBPORT=$(($RANDOM + 1100))
 export PGPORT=$(($WEBPORT + 100))
diff --git a/dev.sh b/dev.sh
index bfd078d..07fa3cc 100755
--- a/dev.sh
+++ b/dev.sh
@@ -89,7 +89,7 @@ descriptions["venv"]="Build a pseudo venv that editors like VS Code can use."
 tasks["venv"]=venv
 
 build-container() {
-    nix build && docker load <result && docker run --rm -ti network-inventory:latest
+    nix build && docker load <result
 }
 descriptions["build-container"]="Build and load OCI container."
 tasks["build-container"]=build-container
@@ -118,21 +118,18 @@ tasks["debug"]=debug
 
 lint() {
     echo "Running pylint"
-    poetry run \
-        pylint \
+    pylint \
         --rc-file="$PROJECT_DIR/pyproject.toml" \
         -j 0 \
         -E "$PROJECT_DIR/src"
     echo "Running mypy"
-    poetry run \
-        mypy --config-file="$PROJECT_DIR/pyproject.toml" "$PROJECT_DIR/src"
+    mypy --config-file="$PROJECT_DIR/pyproject.toml" "$PROJECT_DIR/src"
 }
 descriptions["lint"]="Run the linters against the src directory."
 tasks["lint"]=lint
 
 test() {
-    DJANGO_SETTINGS_MODULE=network_inventory.settings.ram_test poetry run \
-        pytest \
+    DJANGO_SETTINGS_MODULE=network_inventory.settings.ram_test pytest \
         -nauto \
         --nomigrations \
         --cov-config="$PROJECT_DIR/.coveragerc" \
diff --git a/flake.lock b/flake.lock
index 1006455..0de65c9 100644
--- a/flake.lock
+++ b/flake.lock
@@ -18,6 +18,45 @@
         "type": "github"
       }
     },
+    "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_2"
+      },
+      "locked": {
+        "lastModified": 1689068808,
+        "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nix-github-actions": {
+      "inputs": {
+        "nixpkgs": [
+          "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"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1688918189,
@@ -34,10 +73,33 @@
         "type": "github"
       }
     },
+    "poetry2nix": {
+      "inputs": {
+        "flake-utils": "flake-utils_2",
+        "nix-github-actions": "nix-github-actions",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1693051011,
+        "narHash": "sha256-HNbuVCS/Fnl1YZOjBk9/MlIem+wM8fvIzTH0CVQrLSQ=",
+        "owner": "nix-community",
+        "repo": "poetry2nix",
+        "rev": "5b3a5151cf212021ff8d424f215fb030e4ff2837",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "poetry2nix",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "poetry2nix": "poetry2nix"
       }
     },
     "systems": {
@@ -54,6 +116,21 @@
         "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 b391156..82544dc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,12 +3,34 @@
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
     flake-utils.url = "github:numtide/flake-utils";
+    poetry2nix = {
+      url = "github:nix-community/poetry2nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
   };
-  outputs = { self, nixpkgs, flake-utils }:
-    (flake-utils.lib.eachDefaultSystem (system:
+  outputs = { self, nixpkgs, flake-utils, poetry2nix }:
+    {
+      overlays.default = nixpkgs.lib.composeManyExtensions [
+        poetry2nix.overlay
+        (final: prev: rec {
+          inventoryDevEnv = prev.poetry2nix.mkPoetryEnv
+            {
+              projectDir = ./.;
+              groups = [ "main" "dev" ];
+            };
+          inventoryPackage = prev.poetry2nix.mkPoetryApplication {
+            projectDir = ./.;
+            groups = [ "main" ];
+          };
+          inventoryEnv = inventoryPackage.dependencyEnv;
+        })
+      ];
+    } // (flake-utils.lib.eachDefaultSystem (system:
       let
         pkgs = import nixpkgs {
           inherit system;
+          overlays = [ self.overlays.default ];
         };
         inventory = pkgs.stdenv.mkDerivation {
           src = ./.;
@@ -23,18 +45,40 @@
       rec {
         devShells.default = pkgs.mkShell {
           buildInputs = [
+            pkgs.inventoryDevEnv
             pkgs.poetry
+            pkgs.python310Packages.pip
             pkgs.overmind
             pkgs.postgresql_15
             (pkgs.writeScriptBin "dev" "${builtins.readFile ./dev.sh}")
           ];
           PYTHON_KEYRING_BACKEND = "keyring.backends.fail.Keyring";
-          LD_LIBRARY_PATH = "${pkgs.stdenv.cc.cc.lib}/lib";
           shellHook = ''
             export DJANGO_SETTINGS_MODULE=network_inventory.settings.local
           '';
         };
+        checks = {
+          tests = pkgs.stdenv.mkDerivation {
+            dontPatch = true;
+            dontConfigure = true;
+            dontBuild = true;
+            dontInstall = true;
+            doCheck = true;
+            name = "test";
+            src = ./.;
+            checkInputs = [ pkgs.inventoryDevEnv ];
+            checkPhase = ''
+              mkdir -p $out
+              pytest --ds=network_inventory.settings.ram_test \
+                      -nauto \
+                      --nomigrations \
+                      --cov=./src \
+                      ./src
+            '';
+          };
+        };
         packages = {
+          venv = pkgs.inventoryEnv;
           container = pkgs.dockerTools.buildImage {
             name = "network-inventory";
             tag = "latest";
@@ -42,39 +86,38 @@
             copyToRoot = pkgs.buildEnv {
               name = "image-root";
               paths = [
-                inventory
                 pkgs.bashInteractive
                 pkgs.coreutils
-                pkgs.poetry
+                inventory
                 (pkgs.writeShellScriptBin "start-inventory" ''
                   if [ -f .first_run ]; then
                       sleep 2
-                      django-admin collectstatic --noinput
-                      django-admin makemigrations
-                      django-admin migrate
+                      ${pkgs.inventoryEnv}/bin/django-admin collectstatic --noinput
+                      ${pkgs.inventoryEnv}/bin/django-admin makemigrations
+                      ${pkgs.inventoryEnv}/bin/django-admin migrate
                   else
-                      django-admin collectstatic --noinput
-                      django-admin makemigrations backups
-                      django-admin makemigrations computers
-                      django-admin makemigrations core
-                      django-admin makemigrations customers
-                      django-admin makemigrations devices
-                      django-admin makemigrations licenses
-                      django-admin makemigrations nets
-                      django-admin makemigrations softwares
-                      django-admin makemigrations users
-                      django-admin makemigrations
-                      django-admin migrate
-                      django-admin loaddata backups
-                      django-admin loaddata computers
-                      django-admin loaddata core
-                      django-admin loaddata devices
-                      django-admin loaddata nets
-                      django-admin loaddata softwares
-                      django-admin shell -c "from django.contrib.auth import get_user_model; User = get_user_model(); User.objects.create_superuser('admin', 'admin@example.com', 'password')"
+                      ${pkgs.inventoryEnv}/bin/django-admin collectstatic --noinput
+                      ${pkgs.inventoryEnv}/bin/django-admin makemigrations backups
+                      ${pkgs.inventoryEnv}/bin/django-admin makemigrations computers
+                      ${pkgs.inventoryEnv}/bin/django-admin makemigrations core
+                      ${pkgs.inventoryEnv}/bin/django-admin makemigrations customers
+                      ${pkgs.inventoryEnv}/bin/django-admin makemigrations devices
+                      ${pkgs.inventoryEnv}/bin/django-admin makemigrations licenses
+                      ${pkgs.inventoryEnv}/bin/django-admin makemigrations nets
+                      ${pkgs.inventoryEnv}/bin/django-admin makemigrations softwares
+                      ${pkgs.inventoryEnv}/bin/django-admin makemigrations users
+                      ${pkgs.inventoryEnv}/bin/django-admin makemigrations
+                      ${pkgs.inventoryEnv}/bin/django-admin migrate
+                      ${pkgs.inventoryEnv}/bin/django-admin loaddata backups
+                      ${pkgs.inventoryEnv}/bin/django-admin loaddata computers
+                      ${pkgs.inventoryEnv}/bin/django-admin loaddata core
+                      ${pkgs.inventoryEnv}/bin/django-admin loaddata devices
+                      ${pkgs.inventoryEnv}/bin/django-admin loaddata nets
+                      ${pkgs.inventoryEnv}/bin/django-admin loaddata softwares
+                      ${pkgs.inventoryEnv}/bin/django-admin shell -c "from django.contrib.auth import get_user_model; User = get_user_model(); User.objects.create_superuser('admin', 'admin@example.com', 'password')"
                       touch .first_run
                   fi
-                  gunicorn network_inventory.wsgi:application --reload --bind 0.0.0.0:8000 --workers 3
+                  ${pkgs.inventoryEnv}/bin/gunicorn network_inventory.wsgi:application --reload --bind 0.0.0.0:8000 --workers 3
                 '')
               ];
             };