update

watchtower/readme.md

@@ -2,54 +2,66 @@
 
 ###### guide by example
 
-### purpose
+![logo](https://i.imgur.com/xXS2bzZ.png)
+
+# Purpose
 
 Automatic updates of containers.
 
 * [Github](https://github.com/containrrr/watchtower)
 * [DockerHub image used](https://hub.docker.com/r/containrrr/watchtower)
 
-### files and directory structure
+# Files and directory structure
 
-  ```
-  /home
-  └── ~
-      └── docker
-          └── watchtower
-              └── 🗋 docker-compose.yml
-  ```
+```
+/home
+└── ~
+    └── docker
+        └── watchtower
+            └── 🗋 docker-compose.yml
+```
 
-### docker-compose
+# docker-compose
 
-  [scheduled](https://pkg.go.dev/github.com/robfig/cron@v1.2.0?tab=doc#hdr-CRON_Expression_Format)
-  to run every saturday at midnight</br>
-  no need to be on the same network as other containers, no need .env file</br>
+[scheduled](https://pkg.go.dev/github.com/robfig/cron@v1.2.0?tab=doc#hdr-CRON_Expression_Format)
+to run every saturday at midnight</br>
+Heads up that it's not a typical cron format, seconds are the first digit.
 
-  `docker-compose.yml`
+`docker-compose.yml`
+```yml
+version: '3'
+services:
 
-  ```
-  version: '3'
-  services:
-    watchtower:
-      image: containrrr/watchtower:latest
-      container_name: watchtower
-      hostname: watchtower
-      restart: unless-stopped
-      environment:
-        - TZ=Europe/Prague
-        - WATCHTOWER_SCHEDULE=0 0 0 * * SAT
-        - WATCHTOWER_CLEANUP=true
-        - WATCHTOWER_TIMEOUT=30s
-        - WATCHTOWER_DEBUG=false
-        - WATCHTOWER_INCLUDE_STOPPED=false
-      volumes:
-        - /var/run/docker.sock:/var/run/docker.sock
-  ```
+  watchtower:
+    image: containrrr/watchtower:latest
+    container_name: watchtower
+    hostname: watchtower
+    restart: unless-stopped
+    env_file: .env
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+```
 
-### reverse proxy
+`.env`
+```bash
+# GENERAL
+MY_DOMAIN=blabla.org
+DEFAULT_NETWORK=caddy_net
+TZ=Europe/Prague
 
-  no web interface
+# WATCHTOWER
+WATCHTOWER_SCHEDULE=0 0 0 * * SAT
+WATCHTOWER_CLEANUP=true
+WATCHTOWER_TIMEOUT=30s
+WATCHTOWER_DEBUG=false
+WATCHTOWER_INCLUDE_STOPPED=false
+```
 
-### update
+# Update
 
-  it updates itself
+  * [watchtower](https://github.com/DoTheEvo/selfhosted-apps-docker/tree/master/watchtower) updates itself automaticly
+
+  * manual image update</br>
+    `docker-compose pull`</br>
+    `docker-compose up -d`</br>
+    `docker image prune`