fix crane registry url

entrypoint.sh

@@ -2,9 +2,6 @@
 set -e pipefail
 
 if [ "$INPUT_DEBUG" = "true" ]; then
-    echo "environment:"
-    printenv
-    echo ""
     set -x
 fi
 
@@ -55,8 +52,9 @@ if [ "$REGISTRY" = "ghcr.io" ]; then
 fi
 
 if [ "$REGISTRY" = "docker.io" ]; then
-    REGISTRY="index.${REGISTRY}/v1/"
+    kanikoRegistry="index.docker.io/v1/"
 else
+    kanikoRegistry="$REGISTRY"
     IMAGE="${REGISTRY}/${IMAGE}"
 
     if [ -n "$IMAGE_LATEST" ]; then
@@ -77,7 +75,7 @@ ARGS="$CACHE $CONTEXT $DOCKERFILE $TARGET $INPUT_EXTRA_ARGS"
 cat <<EOF >/kaniko/.docker/config.json
 {
     "auths": {
-        "https://${REGISTRY}": {
+        "https://${kanikoRegistry}": {
             "username": "${USERNAME}",
             "password": "${PASSWORD}"
         }