homelab/nixos/modules/docker-host.nix
2025-06-03 23:07:46 +02:00

77 lines
3.1 KiB
Nix

{ config, pkgs, lib, ... }:
let
# ── Adjust these to your NAS settings ──────────────────────────────────────────
nasServer = "192.168.1.100"; # your NAS IP or hostname
nasExportPath = "/export/docker-volumes"; # path on the NAS
nasMountPoint = "/mnt/nas"; # where to mount inside VM
# ── Where we drop your Compose file and run it ────────────────────────────────
composeDir = "/etc/docker-compose-app";
composeText = lib.readFile ./docker-compose.yml;
in {
##############################################################################
# A) NETWORKING
# (If you want DHCP, remove this block and let cloud-init assign an IP.)
##############################################################################
# networking.interfaces.enp0s25 = {
# useDHCP = false;
# ipv4.addresses = [{
# address = "192.168.1.50";
# prefixLength = 24;
# }];
# ipv4.gateway = "192.168.1.1";
# # optional: ipv4.dns = [ "1.1.1.1" "8.8.8.8" ];
# };
##############################################################################
# B) MOUNT YOUR NAS VIA NFS
##############################################################################
# fileSystems."${nasMountPoint}" = {
# device = "${nasServer}:${nasExportPath}";
# fsType = "nfs";
# options = [ "defaults" "nofail" "x-systemd.requires=network-online.target" ];
# };
# fileSystems."${nasMountPoint}".requiredForBoot = false;
##############################################################################
# C) INSTALL DOCKER & DOCKER-COMPOSE
##############################################################################
environment.systemPackages = with pkgs; [
docker
docker-compose
];
services.docker.enable = true;
##############################################################################
# D) DROP IN YOUR docker-compose.yml
##############################################################################
# systemd.tmpfiles.rules = [
# # Ensure directory exists before we write the file.
# "D! ${composeDir} 0755 root root - -"
# ];
# environment.etc."docker-compose-app/docker-compose.yml".text = composeText;
##############################################################################
# E) RUN DOCKER-COMPOSE AS A SYSTEMD SERVICE
##############################################################################
# systemd.services.dockerComposeApp = {
# description = "Auto-start Docker-Compose stack for home server";
# after = [ "network-online.target" "docker.service" ];
# wants = [ "network-online.target" "docker.service" ];
# serviceConfig = {
# WorkingDirectory = composeDir;
# ExecStart = "${pkgs.docker-compose}/bin/docker-compose -f ${composeDir}/docker-compose.yml up";
# ExecStop = "${pkgs.docker-compose}/bin/docker-compose -f ${composeDir}/docker-compose.yml down";
# Restart = "always";
# RestartSec = 10;
# };
# wantedBy = [ "multi-user.target" ];
# };
}