chore: some cleaning + logging implementation

lib/constants.nix.template

@@ -0,0 +1,33 @@
+let 
+  ip_prefix = "10.0.0.";
+in
+{
+  # Centralizes the IP to the gateway for the containers.
+  gateway_ip = "10.0.0.1";
+
+  # Builders for IP addresses, given a container id.
+  ip_prefix = ip_prefix;
+  cidr = "24";
+  build_ip = id: "${ip_prefix}${toString id}";
+  build_ip_cidr = id: "${ip_prefix}${toString id}/${cidr}";
+
+  loki_addr = "10.0.0.42:3100";
+  prometheus_addr = "10.0.0.42:9090";
+  reverse_proxy_addr = "10.0.0.50";
+
+  domains = {
+    exposed = ".mydomain.tld";
+    internal = ".local";
+  };
+
+  # Your deployer's host
+  master_login = "admin";
+  master_htpasswd = "$2$10$pouet.pouet";
+  master_public_ssh_key = "ssh-ed25519 [...] me@here";
+
+  # Default timezone for the containers
+  default_tz = "UTC";
+
+  # NixOS template build name => see `ls nixos-template/tarball/`
+  nixos_template_name = "nixos-image-lxc-proxmox-25.11pre-git-x86_64-linux";
+}