diff --git a/fediversity-services.nix b/fediversity-services.nix
deleted file mode 100644
index a002232f..00000000
--- a/fediversity-services.nix
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  fediversity = {
-    enable = true;
-
-    domain = "fediversity.niols.fr";
-
-    pixelfed.enable = true;
-  };
-}
diff --git a/flake.lock b/flake.lock
index 556c3019..fe557cde 100644
--- a/flake.lock
+++ b/flake.lock
@@ -36,6 +36,24 @@
         "type": "github"
       }
     },
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib"
+      },
+      "locked": {
+        "lastModified": 1730504689,
+        "narHash": "sha256-hgmguH29K2fvs9szpq2r3pz2/8cJd2LPS+b4tfNFCwE=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "506278e768c2a08bec68eb62932193e341f55c90",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1725194671,
@@ -67,6 +85,18 @@
         "type": "github"
       }
     },
+    "nixpkgs-lib": {
+      "locked": {
+        "lastModified": 1730504152,
+        "narHash": "sha256-lXvH/vOfb4aGYyvFmZK/HlsNsr/0CVWlwYvo2rxJk3s=",
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/cc2f28000298e1269cea6612cd06ec9979dd5d7f.tar.gz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/cc2f28000298e1269cea6612cd06ec9979dd5d7f.tar.gz"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1727672256,
@@ -135,6 +165,7 @@
     "root": {
       "inputs": {
         "disko": "disko",
+        "flake-parts": "flake-parts",
         "nixpkgs": "nixpkgs_2",
         "snf": "snf"
       }
diff --git a/flake.nix b/flake.nix
index df3660f3..14f000d7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,32 +1,48 @@
 {
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05";
+    flake-parts.url = "github:hercules-ci/flake-parts";
+
     snf.url = "git+https://git.fediversity.eu/fediversity/simple-nixos-fediverse.git";
     disko.url = "github:nix-community/disko";
   };
 
-  outputs = { self, nixpkgs, snf, disko }:
-    let
-      vmName = "fedi01";
+  outputs = inputs@{ self, flake-parts, nixpkgs, snf, ... }:
+    flake-parts.lib.mkFlake { inherit inputs; } {
 
-    in {
-      nixosConfigurations.${vmName} = nixpkgs.lib.nixosSystem {
-        system = "x86_64-linux";
 
-        modules = [
-          ./procolix-configuration.nix
-          snf.nixosModules.fediversity
-          ./fediversity-services.nix
-          # ./gitea-runner.nix
+      systems = [ "x86_64-linux" "aarch64-linux" "aarch64-darwin" "x86_64-darwin" ];
 
-          ## Hardware configuration
-          disko.nixosModules.default
-          ./hardware-configuration.nix
-        ];
+      perSystem = { config, self', inputs', pkgs, system, ... }: {
+        devShells.default = pkgs.mkShell {
+          packages = [ inputs'.nixops4.packages.default ];
+        };
       };
 
-      ## An ISO that will prepare the machine, format it, and install the above
-      ## configuration in an automated way.
-      isoInstallers.${vmName} = snf.mkInstaller nixpkgs self.nixosConfigurations.${vmName};
+      flake.allVmIds = ["101" "102" "103" "104" "105" "106" "107" "108" "109" "110"];
+
+      flake.nixosConfigurations.provisioning =
+        let
+          inherit (builtins) map listToAttrs;
+          makeProvisioningConfiguration = vmid: nixpkgs.lib.nixosSystem {
+            modules = [
+              { procolix.vmid = vmid; }
+              ./procolixVm.nix
+              inputs.disko.nixosModules.default
+            ];
+          };
+        in
+          listToAttrs
+            (map
+              (vmid: {
+                name = "fedi${vmid}";
+                value = makeProvisioningConfiguration vmid; })
+              self.allVmIds);
+
+      flake.isoInstallers.provisioning =
+        let inherit (builtins) mapAttrs; in
+        mapAttrs
+          (_: snf.mkInstaller nixpkgs)
+          self.nixosConfigurations.provisioning;
     };
 }
diff --git a/gitea-runner.nix b/gitea-runner.nix
deleted file mode 100644
index ddfb335a..00000000
--- a/gitea-runner.nix
+++ /dev/null
@@ -1,41 +0,0 @@
-{ pkgs, config, ... }:
-
-{
-  services.gitea-actions-runner = {
-    package = pkgs.forgejo-actions-runner;
-
-    instances.default = {
-      enable = true;
-
-      name = config.networking.fqdn;
-      url = "https://git.fediversity.eu";
-      token = "MKmFPY4nxfR4zPYHIRLoiJdrrfkGmcRymj0GWOAk";
-
-      settings = {
-        log.level = "info";
-        runner = {
-          file = ".runner";
-          capacity = 24;
-          timeout = "3h";
-          insecure = false;
-          fetch_timeout = "5s";
-          fetch_interval = "2s";
-        };
-      };
-
-      ## This runner supports Docker (with a default Ubuntu image) and native
-      ## modes. In native mode, it contains a few default packages.
-      labels = ["docker:docker://node:16-bullseye" "native:host"];
-      hostPackages = with pkgs; [ bash git nix nodejs ];
-    };
-  };
-
-  ## For the Docker mode of the runner.
-  virtualisation.docker.enable = true;
-
-  ## The Nix configuration of the system influences the Nix configuration
-  ## in the workflow, and our workflows are often flake-based.
-  nix.extraOptions = ''
-    experimental-features = nix-command flakes
-  '';
-}
diff --git a/hardware-configuration.nix b/hardware-configuration.nix
deleted file mode 100644
index a0bfa19c..00000000
--- a/hardware-configuration.nix
+++ /dev/null
@@ -1,56 +0,0 @@
-{ lib, modulesPath, ... }:
-
-{
-  imports = [ (modulesPath + "/profiles/qemu-guest.nix")];
-  services.qemuGuest.enable = true;
-
-  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod" ];
-  boot.initrd.kernelModules = [ "dm-snapshot" ];
-
-  disko.devices.disk.main = {
-    device = "/dev/sda";
-    type = "disk";
-
-    content = {
-      type = "gpt";
-
-      partitions = {
-        MBR = {
-          priority = 0;
-          size = "1M";
-          type = "EF02";
-        };
-
-        ESP = {
-          priority = 1;
-          size = "500M";
-          type = "EF00";
-          content = {
-            type = "filesystem";
-            format = "vfat";
-            mountpoint = "/boot";
-          };
-        };
-
-        root = {
-          priority = 2;
-          size = "100%";
-          content = {
-            type = "filesystem";
-            format = "ext4";
-            mountpoint = "/";
-          };
-        };
-      };
-    };
-  };
-
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
-  networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.ens18.useDHCP = lib.mkDefault true;
-
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
-}
diff --git a/procolix-configuration.nix b/procolix-configuration.nix
deleted file mode 100644
index bd8aef40..00000000
--- a/procolix-configuration.nix
+++ /dev/null
@@ -1,104 +0,0 @@
-{ pkgs, ... }:
-
-{
-  # Use the systemd-boot EFI boot loader.
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking = {
-    hostName = "fedi01";
-    domain = "procolix.com";
-    interfaces = {
-      eth0 = {
-        ipv4 = {
-          addresses = [
-            {
-              address = "95.215.187.101";
-              prefixLength = 24;
-            }
-          ];
-        };
-        ipv6 = {
-          addresses = [
-            {
-              address = "2a00:51c0:13:1305::101";
-              prefixLength = 64;
-            }
-          ];
-        };
-      };
-    };
-    defaultGateway = {
-      address = "95.215.187.1";
-      interface = "eth0";
-    };
-    defaultGateway6 = {
-      address = "2a00:51c0:13:1305::1";
-      interface = "eth0";
-    };
-    nameservers = [ "95.215.185.6" "95.215.185.7" ];
-    # firewall.enable = false;
-  };
-
-  # Set your time zone.
-  time.timeZone = "Europe/Amsterdam";
-
-  # Select internationalisation properties.
-  i18n.defaultLocale = "en_US.UTF-8";
-
-  # Define a user account. Don't forget to set a password with ‘passwd’.
-  users.users.root.hashedPassword = "$y$j9T$WXvLAUqArJJusuC017FCW0$.rfMOeyx/BsClkJFi5hLcynrSk.njWmfiB6Uy.9th3A";
-
-  users.users.procolix = {
-    isNormalUser = true;
-    extraGroups = [ "wheel" ];
-    hashedPassword = "$y$j9T$UH8Dh/poTCCZ3PXk43au6/$iYen8VUEVvv7SIPqteNtTPKktLxny3TbqvjUwhvi.6B";
-    openssh.authorizedKeys.keys = [
-      "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAotfCIjLoDlHOe+++kVS1xiBPaS8mC5FypgrxDrDVst6SHxMTca2+IScMajzUZajenvNAoZOwIsyAPacT8OHeyFvV5Y7G874Qa+cZVqJxLht9gdXxr1GNabU3RfhhCh272dUeIKIqfgsRsM2HzdnZCMDavS1Yo+f+RhhHhnJIua+NdVFo21vPrpsz+Cd0M1NhojARLajrTHvEXW0KskUnkbfgxT0vL9jeRZxdgMS+a9ZoR5dbzOxQHWfbP8N04Xc+7CweMlvKwlWuAE/xDb5XLNHorfGWFvZuVhptJN8jPaaVS25wsmsF5IbaAuSZfzCtBdFQhIloUhy0L6ZisubHjQ== procolix@sshnode1"
-      "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAuT3C0f3nyQ7SwUvXcFmEYEgwL+crY6iK0Bhoi9yfn4soz3fhfMKyKSwc/0RIlRnrz3xnkyJiV0vFeU7AC1ixbGCS3T9uc0G1x0Yedd9n2yR8ZJmkdyfjZ5KE4YvqZ3f6UZn5Mtj+7tGmyp+ee+clLSHzsqeyDiX0FIgFmqiiAVJD6qeKPFAHeWz9b2MOXIBIw+fSLOpx0rosCgesOmPc8lgFvo+dMKpSlPkCuGLBPj2ObT4sLjc98NC5z8sNJMu3o5bMbiCDR9JWgx9nKj+NlALwk3Y/nzHSL/DNcnP5vz2zbX2CBKjx6ju0IXh6YKlJJVyMsH9QjwYkgDQVmy8amQ== procolix@sshnode2"
-    ];
-  };
-
-  users.users.niols = {
-    isNormalUser = true;
-    extraGroups = [ "wheel" ];
-    hashedPassword = "$y$j9T$PlqgzCwoXxCXbTFwt//B.0$pIB.7NZwmdyXKJSnnJhZwampSPow8nMccN7gbhfDOC0";
-    openssh.authorizedKeys.keys = [
-      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEElREJN0AC7lbp+5X204pQ5r030IbgCllsIxyU3iiKY niols@wallace"
-      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBkQXv/VRZLfV0wNN9PHedmKWyAIfpPUCdaznHZNIDkS niols@orianne/fediversity"
-    ];
-  };
-
-  # List packages installed in system profile. To search, run:
-  # $ nix search wget
-  environment.systemPackages = with pkgs; [
-    (pkgs.vim_configurable.customize {
-      name = "vim";
-      vimrcConfig.packages.myplugins = with pkgs.vimPlugins; {
-        start = [ vim-nix ]; # load plugin on startup
-      };
-      vimrcConfig.customRC = ''
-        " your custom vimrc
-        set nocompatible
-        set backspace=indent,eol,start
-        " Turn on syntax highlighting by default
-        syntax on
-        " ...
-      '';
-    })
-    wget
-  ];
-
-  # List services that you want to enable:
-
-  # Enable the OpenSSH daemon.
-  services.openssh.enable = true;
-
-  # This value determines the NixOS release from which the default
-  # settings for stateful data, like file locations and database versions
-  # on your system were taken. It‘s perfectly fine and recommended to leave
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "24.05"; # Did you read the comment?
-}
diff --git a/procolixVm.nix b/procolixVm.nix
new file mode 100644
index 00000000..99a61c2c
--- /dev/null
+++ b/procolixVm.nix
@@ -0,0 +1,139 @@
+{ lib, config, modulesPath, ... }:
+
+let
+  inherit (lib) mkOption;
+  inherit (lib.types) types;
+
+in
+{
+  imports = [ (modulesPath + "/profiles/qemu-guest.nix")];
+
+  options = {
+    procolix = {
+      vmid = mkOption {
+        type = types.str;
+        description = ''
+          Identifier of the machine. This is a number between 10 and 255, padded
+          with zeroes to always be three characters.
+        '';
+      };
+    };
+  };
+
+  config = {
+    ########################################################################
+    ## Network
+
+    services.openssh.enable = true;
+
+    networking = {
+      hostName = "fedi${config.procolix.vmid}";
+      domain = "procolix.com";
+
+      interfaces = {
+        eth0 = {
+          ipv4 = {
+            addresses = [
+              {
+                address = "95.215.187.${config.procolix.vmid}";
+                prefixLength = 24;
+              }
+            ];
+          };
+          ipv6 = {
+            addresses = [
+              {
+                address = "2a00:51c0:13:1305::${config.procolix.vmid}";
+                prefixLength = 64;
+              }
+            ];
+          };
+        };
+      };
+
+      defaultGateway = {
+        address = "95.215.187.1";
+        interface = "eth0";
+      };
+      defaultGateway6 = {
+        address = "2a00:51c0:13:1305::1";
+        interface = "eth0";
+      };
+
+      nameservers = [ "95.215.185.6" "95.215.185.7" ];
+    };
+
+    ########################################################################
+    ## Hardware
+
+    boot = {
+      loader = {
+        systemd-boot.enable = true;
+        efi.canTouchEfiVariables = true;
+      };
+      initrd = {
+        availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod" ];
+        kernelModules = [ "dm-snapshot" ];
+      };
+    };
+
+    disko.devices.disk.main = {
+      device = "/dev/sda";
+      type = "disk";
+
+      content = {
+        type = "gpt";
+
+        partitions = {
+          MBR = {
+            priority = 0;
+            size = "1M";
+            type = "EF02";
+          };
+
+          ESP = {
+            priority = 1;
+            size = "500M";
+            type = "EF00";
+            content = {
+              type = "filesystem";
+              format = "vfat";
+              mountpoint = "/boot";
+            };
+          };
+
+          root = {
+            priority = 2;
+            size = "100%";
+            content = {
+              type = "filesystem";
+              format = "ext4";
+              mountpoint = "/";
+            };
+          };
+        };
+      };
+    };
+
+    nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+
+    ########################################################################
+    ## Miscellaneous
+
+    services.qemuGuest.enable = true;
+
+    time.timeZone = "Europe/Amsterdam";
+
+    i18n.defaultLocale = "en_US.UTF-8";
+
+    users.users.root.openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEElREJN0AC7lbp+5X204pQ5r030IbgCllsIxyU3iiKY"
+    ];
+
+    nix.extraOptions = ''
+      experimental-features = nix-command flakes
+    '';
+
+    system.stateVersion = "24.05"; # Did you read the comment?
+  };
+}