added DNS resolvers for SSL DNS challenge

.gitignore

@@ -1,2 +1,2 @@
-/.env
+/.env*
 /certs.json

docker-compose.yml

@@ -12,6 +12,7 @@ services:
       # configure Let's Encrypt automatic certificates
       - --certificatesresolvers.${TRAEFIK_CERTRESOLVER}.acme.dnschallenge=true
       - --certificatesresolvers.${TRAEFIK_CERTRESOLVER}.acme.dnschallenge.provider=${TRAEFIK_DNSPROVIDER}
+      - --certificatesresolvers.${TRAEFIK_CERTRESOLVER}.acme.dnschallenge.resolvers=${TRAEFIK_DNSRESOLVERS}
       - --certificatesresolvers.${TRAEFIK_CERTRESOLVER}.acme.email=${LETSENCRYPT_EMAIL}
       - --certificatesresolvers.${TRAEFIK_CERTRESOLVER}.acme.keytype=RSA4096
       - --certificatesresolvers.${TRAEFIK_CERTRESOLVER}.acme.storage=/certs.json

env.example

@@ -13,6 +13,7 @@ TRAEFIK_TLSENABLED=true
 # Certificate provider
 TRAEFIK_DNSPROVIDER=hetzner
 TRAEFIK_DNSPROVIDER_ENVFILE=./.env.dnsprovider
+TRAEFIK_DNSRESOLVERS=1.1.1.1:53,1.0.0.1:53
 LETSENCRYPT_EMAIL=admin@mydomain.com
 
 # Debugging