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Last pushed: 11 days ago
Short Description
Unofficial convenience binaries and Docker images for Apache NiFi
Full Description

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Docker Image Quickstart

Capabilities

This image currently supports running in standalone mode either unsecured or with user authentication provided through:

Building

The Docker image can be built using the following command:

docker build -t apache/nifi:latest .

This build will result in an image tagged apache/nifi:latest

# user @ puter in ~/Development/code/apache/nifi/nifi-docker/dockerhub
$ docker images
REPOSITORY               TAG                 IMAGE ID            CREATED                 SIZE
apache/nifi              latest              f0f564eed149        A long, long time ago   1.62GB

Note: The default version of NiFi specified by the Dockerfile is typically that of one that is unreleased if working from source.
To build an image for a prior released version, one can override the NIFI_VERSION build-arg with the following command:

docker build --build-arg=NIFI_VERSION={Desired NiFi Version} -t apache/nifi:latest .

There is, however, no guarantee that older versions will work as properties have changed and evolved with subsequent releases.
The configuration scripts are suitable for at least 1.4.0+.

Running a container

Standalone Instance, Unsecured

The minimum to run a NiFi instance is as follows:

docker run --name nifi \
  -p 8080:8080 \
  -d \
  apache/nifi:latest

This will provide a running instance, exposing the instance UI to the host system on at port 8080,
viewable at http://localhost:8080/nifi.

You can also pass in environment variables to change the NiFi communication ports and hostname using the Docker '-e' switch as follows:

docker run --name nifi \
  -p 9090:9090 \
  -d \
  -e NIFI_WEB_HTTP_PORT='9090'
  apache/nifi:latest

For a list of the environment variables recognised in this build, look into the .sh/secure.sh and .sh/start.sh scripts

Standalone Instance, Two-Way SSL

In this configuration, the user will need to provide certificates and the associated configuration information.
Of particular note, is the AUTH environment variable which is set to tls. Additionally, the user must provide an
the DN as provided by an accessing client certificate in the INITIAL_ADMIN_IDENTITY environment variable.
This value will be used to seed the instance with an initial user with administrative privileges.
Finally, this command makes use of a volume to provide certificates on the host system to the container instance.

docker run --name nifi \
  -v /User/dreynolds/certs/localhost:/opt/certs \
  -p 8443:8443 \
  -e AUTH=tls \
  -e KEYSTORE_PATH=/opt/certs/keystore.jks \
  -e KEYSTORE_TYPE=JKS \
  -e KEYSTORE_PASSWORD=QKZv1hSWAFQYZ+WU1jjF5ank+l4igeOfQRp+OSbkkrs \
  -e TRUSTSTORE_PATH=/opt/certs/truststore.jks \
  -e TRUSTSTORE_PASSWORD=rHkWR1gDNW3R9hgbeRsT3OM3Ue0zwGtQqcFKJD2EXWE \
  -e TRUSTSTORE_TYPE=JKS \
  -e INITIAL_ADMIN_IDENTITY='CN=Random User, O=Apache, OU=NiFi, C=US' \
  -d \
  apache/nifi:latest

Standalone Instance, LDAP

In this configuration, the user will need to provide certificates and the associated configuration information. Optionally,
if the LDAP provider of interest is operating in LDAPS or START_TLS modes, certificates will additionally be needed.
Of particular note, is the AUTH environment variable which is set to ldap. Additionally, the user must provide a
DN as provided by the configured LDAP server in the INITIAL_ADMIN_IDENTITY environment variable. This value will be
used to seed the instance with an initial user with administrative privileges. Finally, this command makes use of a
volume to provide certificates on the host system to the container instance.

For a minimal, connection to an LDAP server using SIMPLE authentication:

docker run --name nifi \
  -v /User/dreynolds/certs/localhost:/opt/certs \
  -p 8443:8443 \
  -e AUTH=tls \
  -e KEYSTORE_PATH=/opt/certs/keystore.jks \
  -e KEYSTORE_TYPE=JKS \
  -e KEYSTORE_PASSWORD=QKZv1hSWAFQYZ+WU1jjF5ank+l4igeOfQRp+OSbkkrs \
  -e TRUSTSTORE_PATH=/opt/certs/truststore.jks \
  -e TRUSTSTORE_PASSWORD=rHkWR1gDNW3R9hgbeRsT3OM3Ue0zwGtQqcFKJD2EXWE \
  -e TRUSTSTORE_TYPE=JKS \
  -e INITIAL_ADMIN_IDENTITY='cn=admin,dc=example,dc=org' \
  -e LDAP_AUTHENTICATION_STRATEGY='SIMPLE' \
  -e LDAP_MANAGER_DN='cn=admin,dc=example,dc=org' \
  -e LDAP_MANAGER_PASSWORD='password' \
  -e LDAP_USER_SEARCH_BASE='dc=example,dc=org' \
  -e LDAP_USER_SEARCH_FILTER='cn={0}' \
  -e LDAP_IDENTITY_STRATEGY='USE_DN' \
  -e LDAP_URL='ldap://ldap:389' \
  -d \
  apache/nifi:latest

The following, optional environment variables may be added to the above command when connecting to a secure LDAP server configured with START_TLS or LDAPS

-e LDAP_TLS_KEYSTORE: ''
-e LDAP_TLS_KEYSTORE_PASSWORD: ''
-e LDAP_TLS_KEYSTORE_TYPE: ''
-e LDAP_TLS_TRUSTSTORE: ''
-e LDAP_TLS_TRUSTSTORE_PASSWORD: ''
-e LDAP_TLS_TRUSTSTORE_TYPE: ''

Configuration Information

The following ports are specified by default in Docker for NiFi operation within the container and
can be published to the host.

Function Property Port
HTTP Port nifi.web.http.port 8080
HTTPS Port nifi.web.https.port 8443
Remote Input Socket Port nifi.remote.input.socket.port 10000

=======
NOTE: If mapping the HTTPS port specifying trusted hosts should be provided for the property nifi.web.proxy.host. This property can be specified to running instances
via specifying an environment variable at container instantiation of _NIFI_WEB_PROXY_HOST_.

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