add a variable to the cron container

firefly/.env

@@ -1,4 +1,5 @@
 APP_DOMAIN=firefly.zweili.org
+CRON_TOKEN=token
 
 # You can leave this on "local". If you change it to production most console commands will ask for extra confirmation.
 # Never set it to "testing".

firefly/docker-compose.yml

@@ -34,4 +34,4 @@ services:
       - ./db:/var/lib/postgresql/data
   cron:
     image: alpine
-    command: sh -c "echo \"0 3 * * * wget https://firefly.zweili.org/cron/run/<TOKEN>\" | crontab - && crond -f -L /dev/stdout"
+    command: sh -c "echo \"0 3 * * * wget https://firefly.zweili.org/cron/run/${CRON_TOKEN}\" | crontab - && crond -f -L /dev/stdout"