add ADDR env var to set docker listen addr

Signed-off-by: Jakub Sokołowski <jakub@status.im>

docker-compose.yml

@@ -10,4 +10,4 @@ services:
       HOSTNAME: "0.0.0.0"
       PORT: "${PORT:-8080}"
     ports:
-      - '127.0.0.1:${PORT:-8080}:${PORT:-8080}'
+      - '${ADDR:-127.0.0.1}:${PORT:-8080}:${PORT:-8080}'