Github user pepov commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2921#discussion_r206107302
--- Diff: nifi-docker/dockerhub/Dockerfile ---
@@ -23,11 +23,15 @@ LABEL site="https://nifi.apache.org";
ARG UID=1000
ARG GID=1000
ARG NIFI_VERSION=1.8.0
-ARG MIRROR=https://archive.apache.org/dist
+ARG MIRROR_BASE_URL=https://archive.apache.org/dist
+ARG ARCHIVE_BASE_URL=https://archive.apache.org/dist
+
+ENV NIFI_BASE_DIR=/opt/nifi
+ENV NIFI_HOME=${NIFI_BASE_DIR}/nifi-${NIFI_VERSION}
+
+ENV
NIFI_BINARY_PATH=${NIFI_BINARY_PATH:-/nifi/${NIFI_VERSION}/nifi-${NIFI_VERSION}-bin.zip}
--- End diff --
it's the path behind the domain in the url, not on the filesystem
---
