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https://issues.apache.org/jira/browse/NIFI-5372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16532636#comment-16532636
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ASF GitHub Bot commented on NIFI-5372:
--------------------------------------
Github user pvillard31 commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2839#discussion_r200042921
--- Diff: nifi-docker/docker-compose/README.md ---
@@ -0,0 +1,56 @@
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
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+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
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+-->
+
+# Apache NiFi Docker Compose
+
+# Usage
+
+## Overview
+The colocated docker-compose.yml is a [Docker
Compose](https://docs.docker.com/compose/overview/) definition providing an
easy way to start up an Apache NiFi Cluster.
+
+## NiFi version configuration
+There are two primary ways in which the cluster can be configured:
+
+ 1. By default, the Compose file (docker-compose.yml) is configured to
make use of the latest image that would be created by a NiFi Maven build with
the Docker profile activated through an invocation similar to `mvn clean
install -Pdocker`.
+ 2. Optionally, a user can update the docker-compose.yml file to use a
released convenience image provided in the [Apache NiFi Docker Hub
repository](https://hub.docker.com/r/apache/nifi/tags/). This is accomplished
by chainging the `image` property of the `nifi` service definition to be an
available Docker Hub tag such as `apache/nifi:1.7.0`. **NOTE** Changes to the
image can affect the expected conventions of the docker-compose.yml
configuration. All released images 1.7.0 or later should work with the file as
provided. If there are any issues, please file a
[JIRA](https://issues.apache.org/jira/browse/NIFI).
--- End diff --
typo ``changing``
> Update Docker clustering to allow compose based scaling
> -------------------------------------------------------
>
> Key: NIFI-5372
> URL: https://issues.apache.org/jira/browse/NIFI-5372
> Project: Apache NiFi
> Issue Type: Task
> Components: Docker
> Reporter: Aldrin Piri
> Assignee: Aldrin Piri
> Priority: Major
>
> NIFI-5195 provided clustering in Docker containers and provided a sample
> config file. This currently is done via each node being defined as an
> independent service. Extending the container to allow for some specification
> of properties in an automated manner could allow a cluster to be established
> with a single node service definition and then more fully utilize the
> docker-compose commands
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