Persistent storage for acme.json outside traefik container to avoid lets encrypt rate limits

traefik/traefik.yml

@@ -30,6 +30,7 @@ providers:
 certificatesResolvers:
   letsencrypt:
     acme:
-      email: mail@eliasfink.de
     # caServer: https://acme-staging-v02.api.letsencrypt.org/directory # use staging server instead of production
+      email: mail@eliasfink.de
+      storage: /etc/traefik/certs/acme.json
       tlsChallenge: {}