added node exporher

README.md

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+# Homelab
+
+## Prerequisites
+
+- **Docker** and **Docker Compose**
+- Host paths used by the stacks:
+  - `/srv/homelab`
+  - `/srv/media`
+  - `/backup`
+
+## Setup
+
+### 1. Media dirs
+
+```bash
+sudo mkdir -p /srv/media/{movies,shows,downloads,immich}
+sudo chown -R 1000:1000 /srv/media
+```
+
+### 2. Monitoring premissions
+
+```bash
+sudo mkdir -p /srv/homelab/data/monitoring/{prometheus,loki,grafana}
+sudo chown -R 65534:65534 /srv/homelab/data/monitoring/prometheus
+sudo chown -R 10001:10001 /srv/homelab/data/monitoring/loki
+sudo chown -R 472:472     /srv/homelab/data/monitoring/grafana
+```
+
+### 3. Env
+
+- **Glance:** `stacks/monitoring/glance.env`
+- **Immich:** `stacks/media/immich.env`
+
+## Deploying
+
+From the repo root (`/srv/homelab`):
+
+| Stack       | Command |
+|------------|---------|
+| **Media**  | `docker compose -f stacks/media/compose.yaml up -d` |
+| **Monitoring** | `docker compose -f stacks/monitoring/compose.yaml up -d` |
+| **Storage** | `docker compose -f stacks/storage/compose.yaml up -d` |
+
+To update images:
+
+```bash
+docker compose -f stacks/media/compose.yaml pull
+docker compose -f stacks/media/compose.yaml up -d
+```
+
+To stop a stack:
+
+```bash
+docker compose -f stacks/media/compose.yaml down
+```
+
+## Ports
+
+| Service    | Port(s)     | Stack     |
+|-----------|-------------|-----------|
+| Sonarr    | 8989        | media     |
+| Radarr    | 7878        | media     |
+| Lidarr    | 8686        | media     |
+| Prowlarr  | 9696        | media     |
+| qBittorrent | 8081, 6881 (tcp/udp) | media |
+| Jellyfin  | 8096        | media     |
+| Immich    | 2283        | media     |
+| Navidrome | 4533        | media     |
+| Seer      | 5055        | media     |
+| Grafana   | 3034        | monitoring |
+| Prometheus| 9094        | monitoring |
+| Loki      | 3100        | monitoring |
+| cAdvisor  | 8088        | monitoring |
+| Glance    | 9090        | monitoring |
+| Portainer | 9443, 8000  | monitoring |
+| Gitea     | 3000, 222   | storage   |
+| Copyparty | 3923        | storage   |