From 1d043702ef136e8f2e516c5304a57be5718f1f6f Mon Sep 17 00:00:00 2001
From: Tyler Hoang <tyler@tylerhoang.xyz>
Date: Thu, 9 Jul 2026 21:49:56 -0700
Subject: Initial commit: docker compose files for all self-hosted services

12 services: adguard, ampache, azuracast, flood, glance, glances,
grafana, immich, invidious, jellyfin, openwebui, watchtower

Each service includes a docker-compose.yml, README.md with setup
instructions, and .env.example where applicable.
---
 watchtower/README.md | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 watchtower/README.md

(limited to 'watchtower/README.md')

diff --git a/watchtower/README.md b/watchtower/README.md
new file mode 100644
index 0000000..1d3bc8b
--- /dev/null
+++ b/watchtower/README.md
@@ -0,0 +1,25 @@
+# Watchtower
+
+Automatically updates running Docker containers to the latest image versions.
+
+## Setup
+
+1. Copy `.env.example` to `.env`:
+   ```
+   cp .env.example .env
+   ```
+
+2. Edit `.env` with your SMTP credentials for email notifications.
+
+3. Start:
+   ```
+   docker compose up -d
+   ```
+
+## What to Configure
+
+- **`.env`** — All SMTP settings. Watchtower will send email notifications after updates (or if updates fail).
+- **Schedule** — `WATCHTOWER_SCHEDULE=0 0 4 * * 0` runs every Sunday at 4 AM. Uses 6-field cron. Change as desired.
+- **Docker socket** — Mounts `/var/run/docker.sock`. Required for Watchtower to manage containers.
+- **Cleanup** — `WATCHTOWER_CLEANUP=true` removes old images after updates. Set to `false` if you want to keep them.
+- **Scope labels** — To exclude a container from auto-updates, add `com.centurylinklabs.watchtower.scope=ignore` to its container labels.
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