From 4bfaeecd660880a018b5715f541ae1eb877f5d4c Mon Sep 17 00:00:00 2001
From: Natasha Moongrave <natasha@256phi.eu>
Date: Mon, 1 Jun 2026 19:24:45 +0200
Subject: Added a local ai stack to herra

---
 hosts/herra/ai.nix            | 51 +++++++++++++++++++++++++++++++++++++++++++
 hosts/herra/arion-compose.nix | 50 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 101 insertions(+)
 create mode 100644 hosts/herra/ai.nix
 create mode 100644 hosts/herra/arion-compose.nix

(limited to 'hosts/herra')

diff --git a/hosts/herra/ai.nix b/hosts/herra/ai.nix
new file mode 100644
index 0000000..9ca7632
--- /dev/null
+++ b/hosts/herra/ai.nix
@@ -0,0 +1,51 @@
+{pkgs, ...}: {
+  virtualisation.docker.enable = true;
+
+  environment.systemPackages = with pkgs; [
+    arion
+  ];
+
+  services.ollama = {
+    enable = true;
+
+    host = "0.0.0.0";
+    port = 11434;
+
+    # probably won't work reliably on Polaris
+    # acceleration = "rocm";
+  };
+
+  services.nginx = {
+    enable = true;
+
+    virtualHosts."ai.local" = {
+      locations."/" = {
+        proxyPass = "http://127.0.0.1:7000";
+        proxyWebsockets = true;
+      };
+    };
+  };
+
+  environment.etc."arion/arion-compose.nix".source =
+    ./arion-compose.nix;
+
+  systemd.services.odysseus = {
+    wantedBy = ["multi-user.target"];
+
+    after = [
+      "docker.service"
+      "ollama.service"
+    ];
+
+    serviceConfig = {
+      Type = "oneshot";
+      RemainAfterExit = true;
+
+      WorkingDirectory = "/etc/arion";
+
+      ExecStart = "${pkgs.arion}/bin/arion up -d";
+
+      ExecStop = "${pkgs.arion}/bin/arion down";
+    };
+  };
+}
diff --git a/hosts/herra/arion-compose.nix b/hosts/herra/arion-compose.nix
new file mode 100644
index 0000000..daa4077
--- /dev/null
+++ b/hosts/herra/arion-compose.nix
@@ -0,0 +1,50 @@
+{pkgs, ...}: {
+  project.name = "odysseus";
+
+  services.odysseus.service = {
+    image = "ghcr.io/pewdiepie-archdaemon/odysseus:latest";
+
+    ports = [
+      "7000:7000"
+    ];
+
+    volumes = [
+      "/srv/odysseus/data:/app/data"
+    ];
+
+    environment = {
+      AUTH_ENABLED = "true";
+
+      LLM_HOST = "host.docker.internal:11434";
+
+      CHROMADB_HOST = "chromadb";
+
+      SEARXNG_INSTANCE = "http://searxng:8080";
+    };
+
+    extra_hosts = [
+      "host.docker.internal:host-gateway"
+    ];
+
+    depends_on = [
+      "chromadb"
+      "searxng"
+    ];
+  };
+
+  services.chromadb.service = {
+    image = "chromadb/chroma:latest";
+
+    volumes = [
+      "/srv/odysseus/chroma:/chroma/chroma"
+    ];
+  };
+
+  services.searxng.service = {
+    image = "searxng/searxng:latest";
+  };
+
+  services.ntfy.service = {
+    image = "binwiederhier/ntfy:latest";
+  };
+}
-- 
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