runOnStartup watch option

docs/config/index.md

@@ -34,6 +34,7 @@ You can override this using the [`--config` flag or `CONFIG` env var with `serve
       schedule: "0 */6 * * *"
       jitter: 30s
       firstCheckNotif: false
+      runOnStartup: true
 
     notif:
       amqp:
@@ -129,6 +130,7 @@ All configuration from file can be transposed into environment variables. As an
       schedule: "0 */6 * * *"
       jitter: 30s
       firstCheckNotif: false
+      runOnStartup: true
 
     notif:
       gotify:
@@ -183,6 +185,7 @@ Can be transposed to:
     DIUN_WATCH_SCHEDULE=0 */6 * * *
     DIUN_WATCH_JITTER=30s
     DIUN_WATCH_FIRSTCHECKNOTIF=false
+    DIUN_WATCH_RUNONSTARTUP=true
 
     DIUN_NOTIF_GOTIFY_ENDPOINT=http://gotify.foo.com
     DIUN_NOTIF_GOTIFY_TOKEN=Token123456

docs/config/watch.md

@@ -8,6 +8,7 @@ watch:
   schedule: "0 */6 * * *"
   jitter: 30s
   firstCheckNotif: false
+  runOnStartup: true
   compareDigest: true
   healthchecks:
     baseURL: https://hc-ping.com/
@@ -76,6 +77,19 @@ Send notification at the very first analysis of an image. (default `false`)
 !!! abstract "Environment variables"
     * `DIUN_WATCH_FIRSTCHECKNOTIF`
 
+### `runOnStartup`
+
+Check for updates on startup. (default `true`)
+
+!!! example "Config file"
+    ```yaml
+    watch:
+      runOnStartup: true
+    ```
+
+!!! abstract "Environment variables"
+    * `DIUN_WATCH_RUNONSTARTUP`
+
 ### `compareDigest`
 
 Compare the digest of an image with the registry before downloading the image manifest. It is strongly