diff --git a/CHANGELOG.md b/CHANGELOG.md
index de4f062..479d01b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1 +1,3 @@
-* initial release
+* ENHANCEMENT
+  * always use localhost as server address
+  * use port 80 as default
diff --git a/Dockerfile b/Dockerfile
index 55e5070..3eee5f7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,8 +11,7 @@ ARG BUILD_VERSION=latest
 
 ENV BLC_VERSION="${BUILD_VERSION:-latest}" \
     LINK_VALIDATOR_BASE_DIR=/drone/src \
-    LINK_VALIDATOR_SERVER_ADDRESS=127.0.0.1 \
-    LINK_VALIDATOR_SERVER_PORT=8000 \
+    LINK_VALIDATOR_SERVER_PORT=80 \
     FORCE_COLOR=true \
     NPM_CONFIG_LOGLEVEL=error
 
diff --git a/README.md b/README.md
index ba74180..bee6940 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,6 @@ docker run -v $(pwd)/public:/drone/src link-validator -ro
 
 ```Shell
 LINK_VALIDATOR_BASE_DIR=/drone/src
-LINK_VALIDATOR_SERVER_ADDRESS=127.0.0.1
 LINK_VALIDATOR_SERVER_PORT=8000
 ```
 
diff --git a/overlay/bin/link-validator b/overlay/bin/link-validator
index d103e0d..4933176 100755
--- a/overlay/bin/link-validator
+++ b/overlay/bin/link-validator
@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
 set -eo pipefail
 
-/usr/local/bin/http-server "$LINK_VALIDATOR_BASE_DIR" -p "$LINK_VALIDATOR_SERVER_PORT" -a "$LINK_VALIDATOR_SERVER_ADDRESS" -s &
-exec /usr/local/bin/broken-link-checker "$@" http://"$LINK_VALIDATOR_SERVER_ADDRESS":"$LINK_VALIDATOR_SERVER_PORT"
+/usr/local/bin/http-server "$LINK_VALIDATOR_BASE_DIR" -p "$LINK_VALIDATOR_SERVER_PORT" -a 127.0.0.1 -s &
+exec /usr/local/bin/broken-link-checker "$@" http://localhost:"$LINK_VALIDATOR_SERVER_PORT"