nix-config/modules/apps/traefik/default.nix

90 lines
3 KiB
Nix

{ config, lib, pkgs, ... }:
let
cfg = config.homelab.apps.traefik;
port = 8080;
in {
options.homelab.apps.traefik = {
enable = lib.mkEnableOption "Traefik Reverse Proxy";
sharedNetworkName = lib.mkOption {
type = lib.types.str;
default = "traefik";
description = "The name of the shared network to connect the container to.";
};
};
config = lib.mkIf cfg.enable {
homelab.virtualisation.containers.enable = true;
# Make sure the Docker network exists.
systemd.services."docker-${cfg.sharedNetworkName}-create-network" = {
description = "Create Docker network for ${cfg.sharedNetworkName}";
requiredBy = [
"docker-traefik.service"
];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
};
script = ''
if ! ${pkgs.docker}/bin/docker network ls | grep -q ${cfg.sharedNetworkName}; then
${pkgs.docker}/bin/docker network create ${cfg.sharedNetworkName}
fi
'';
};
virtualisation.oci-containers.containers.traefik = {
hostname = "traefik";
image = "traefik:v3.4.3";
autoStart = true;
ports = [
"80:80/tcp"
"443:443/tcp"
"${toString port}:${toString port}/tcp" # Web UI (enabled by --api.insecure=true)
];
extraOptions = [
"--network=${cfg.sharedNetworkName}"
];
environmentFiles = [
/home/admin/.cloudflare.secret
];
cmd = [
"--api.insecure=true"
# Add Docker provider
"--providers.docker=true"
"--providers.docker.exposedByDefault=false"
# Add web entrypoint
"--entrypoints.web.address=:80/tcp"
"--entrypoints.web.http.redirections.entrypoint.to=websecure"
"--entrypoints.web.http.redirections.entrypoint.scheme=https"
# Add websecure entrypoint
"--entrypoints.websecure.address=:443/tcp"
"--entrypoints.websecure.http.tls=true"
"--entrypoints.websecure.http.tls.certResolver=letsencrypt"
"--entrypoints.websecure.http.tls.domains[0].main=depeuter.dev"
"--entrypoints.websecure.http.tls.domains[0].sans=*.depeuter.dev"
"--entrypoints.websecure.http.tls.domains[1].sans=*.${config.networking.hostName}.depeuter.dev"
# Certificates
"--certificatesresolvers.letsencrypt.acme.dnschallenge=true"
"--certificatesresolvers.letsencrypt.acme.dnschallenge.provider=cloudflare"
"--certificatesresolvers.letsencrypt.acme.email=tibo.depeuter@telenet.be"
"--certificatesresolvers.letsencrypt.acme.storage=/letsencrypt/acme.json"
];
volumes = [
"letsencryp:/letsencrypt"
"/var/run/docker.sock:/var/run/docker.sock:ro"
];
labels = {
"traefik.enable" = "true";
"traefik.http.routers.traefik.rule" = "Host(`traefik.${config.networking.hostName}.depeuter.dev`)";
"traefik.http.services.traefik.loadbalancer.server.port" = toString port;
};
};
};
}