Fix SUAVE-DNS whitelist and Docker reverse dial.

Author: lthibault

docker-compose.yml

@@ -7,7 +7,7 @@ services:
       - --suave.dev
       - --http.addr=0.0.0.0
       - --suave.eth.remote_endpoint=http://suave-enabled-chain:8545
-      - --suave.eth.external-whitelist=172.17.0.1
+      - --suave.eth.external-whitelist=*
     depends_on:
       - suave-enabled-chain
     ports:

examples/app-ofa-private/main.go

@@ -29,7 +29,7 @@ func main() {
 	if cfg.BuilderURL == "local" {
 		// '172.17.0.1' is the default docker host IP that a docker container can
 		// use to connect with a service running on the host machine.
-		cfg.BuilderURL = "http://172.17.0.1:1234"
+		cfg.BuilderURL = "http://host.docker.internal:1234"
 
 		go func() {
 			log.Fatal(http.ListenAndServe("0.0.0.0:1234", &relayHandlerExample{}))