Update amazon install info

Author: jhh

README.md

@@ -1,5 +1,13 @@
 # strykeforce.org
 
+## Installation
+
+Find a recent [NixOS AMI](https://nixos.org). Use a x86_64 (t3, not t2) instance type to enable serial console. Install SSH public key during installation and log in using public IP.
+
+```sh
+nixos-rebuild --flake .#venus --target-host root@venus boot
+```
+
 ## Copy or restore production data
 
 To restore database from backup, assumes `rclone` and `aws` credential files in place:

docs/README.md

@@ -14,6 +14,7 @@
   ];
 
   networking.hostName = "mercury";
+  nixpkgs.hostPlatform = "x86_64-linux";
 
   age.secrets.stryker_website_secrets = {
     file = ./strykeforce_website_secrets.age;

docs/amazon/container.json

@@ -10,6 +10,7 @@
     flake.modules.nixos.server
   ];
 
+  nixpkgs.hostPlatform = "x86_64-linux";
   networking.hostName = "venus";
 
   system.stateVersion = "24.11";

docs/amazon/role-policy.json

@@ -1,14 +1,27 @@
 {
   flake,
   inputs,
+  modulesPath,
+  pkgs,
   ...
 }:
+let
+  inherit (inputs.nixpkgs.lib) mkForce;
+in
 {
   imports = [
-    flake.modules.nixos.hardware-amazon-ec2
+    inputs.srvos.nixosModules.hardware-amazon
     inputs.srvos.nixosModules.server
   ];
   services.getty.autologinUser = "root";
+  security.sudo.execWheelOnly = mkForce false;
+  services.cloud-init.enable = false;
+
+  environment.systemPackages = with pkgs; [
+    file
+    ghostty.terminfo
+    mailutils
+  ];
 
   nix.settings = {
     substituters = [