feat: add environemnt variable to run grab at startup on docker

Dockerfile

@@ -6,6 +6,7 @@ ENV CRON_SCHEDULE="0 0 * * *"
 ENV GZIP=false
 ENV MAX_CONNECTIONS=1
 ENV DAYS=
+ENV RUN_AT_STARTUP=true
 RUN apk update \
     && apk upgrade --available \
     && apk add curl git tzdata bash \

README.md

@@ -201,6 +201,7 @@ iptv-org/epg
 | DAYS            | Number of days for which the guide will be loaded (defaults to the value from the site config)                     |
 | TIMEOUT         | Timeout for each request in milliseconds (default: 0)                                                              |
 | DELAY           | Delay between request in milliseconds (default: 0)                                                                 |
+| RUN_AT_STARTUP  | Run grab on container startup (default: true)                                                                 |
 
 ## Database
 

pm2.config.js

@@ -1,24 +1,35 @@
 const grab = process.env.SITE
-  ? `npm run grab -- --site=${process.env.SITE} ${
-      process.env.CLANG ? `--lang=${process.env.CLANG}` : ''
-    } --output=public/guide.xml`
+  ? `npm run grab -- --site=${process.env.SITE} ${process.env.CLANG ? `--lang=${process.env.CLANG}` : ''
+  } --output=public/guide.xml`
   : 'npm run grab -- --channels=channels.xml --output=public/guide.xml'
 
-module.exports = {
-  apps: [
-    {
-      name: 'serve',
-      script: 'npx serve -- public',
-      instances: 1,
-      watch: false,
-      autorestart: true
-    },
-    {
-      name: 'grab',
-      script: `npx chronos -e "${grab}" -p "${process.env.CRON_SCHEDULE}" -l`,
-      instances: 1,
-      watch: false,
-      autorestart: true
-    }
-  ]
+
+const apps = [
+  {
+    name: 'serve',
+    script: 'npx serve -- public',
+    instances: 1,
+    watch: false,
+    autorestart: true
+  },
+  {
+    name: 'grab',
+    script: `npx chronos -e "${grab}" -p "${process.env.CRON_SCHEDULE}" -l`,
+    instances: 1,
+    watch: false,
+    autorestart: true
+  }
+];
+
+if (process.env.RUN_AT_STARTUP === 'true') {
+  apps.push({
+    name: 'grab-at-startup',
+    script: grab,
+    instances: 1,
+    autorestart: false,
+    watch: false,
+    max_restarts: 1
+  });
 }
+
+module.exports = { apps };