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FDNS HL7 Utilities Microservice

This is the repository with the HL7 utilities service to parse, validate and generate sample HL7 data.

Running locally

Carefully read the following instructions for information on how to build, run, and test this microservice in your local environment.

Before you start

You will need to have the following installed before getting up and running locally:


First, you'll need to build the image. You can build the image by running the following command:

make docker-build


Once the image has been built, you can run it with the following command:

make docker-run


To check if the microservice is running, open the following URL in your browser:


To access the Swagger documentation, open the following URL in your browser:

Docker Compose

This microservice is designed to be used with other microservices. Please look at the docker-compose file for more information.

  • OBJECT_URL: This is a configurable environment variable to point to where the Object Microservice is running.

OAuth 2 Configuration

This microservice is configurable so that it can be secured via an OAuth 2 provider.

Scopes: This application uses the following scope: fdns.hl7-utils.{profile}.{create|read|update|delete}. Example:

Please see the following environment variables for configuring with your OAuth 2 provider:

  • OAUTH2_ACCESS_TOKEN_URI: This is the introspection URL of your provider, ex: https://hydra:4444/oauth2/introspect
  • OAUTH2_PROTECTED_URIS: This is a path for which routes are to be restricted, ex: /api/1.0/**
  • OAUTH2_CLIENT_ID: This is your OAuth 2 client id with the provider
  • OAUTH2_CLIENT_SECRET: This is your OAuth 2 client secret with the provider
  • SSL_VERIFYING_DISABLE: This is an option to disable SSL verification, you can disable this when testing locally but this should be set to false for all production systems

Miscellaneous Configurations

Here are other various configurations and their purposes:

  • HL7_UTILS_PORT: This is a configurable port the application is set to run on
  • HL7_UTILS_FLUENTD_HOST: This is the host of your Fluentd
  • HL7_UTILS_FLUENTD_PORT: This is the port of your Fluentd
  • HL7_UTILS_PROXY_HOSTNAME: This is the hostname of your environment for use with Swagger UI, ex:

Public Domain

This repository constitutes a work of the United States Government and is not subject to domestic copyright protection under 17 USC § 105. This repository is in the public domain within the United States, and copyright and related rights in the work worldwide are waived through the CC0 1.0 Universal public domain dedication. All contributions to this repository will be released under the CC0 dedication. By submitting a pull request you are agreeing to comply with this waiver of copyright interest.


The repository utilizes code licensed under the terms of the Apache Software License and therefore is licensed under ASL v2 or later.

The source code in this repository is free: you can redistribute it and/or modify it under the terms of the Apache Software License version 2, or (at your option) any later version.

The source code in this repository is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the Apache Software License for more details.

You should have received a copy of the Apache Software License along with this program. If not, see

The source code forked from other open source projects will inherit its license.


This repository contains only non-sensitive, publicly available data and information. All material and community participation is covered by the Surveillance Platform Disclaimer and Code of Conduct. For more information about CDC's privacy policy, please visit


Anyone is encouraged to contribute to the repository by forking and submitting a pull request. (If you are new to GitHub, you might start with a basic tutorial.) By contributing to this project, you grant a world-wide, royalty-free, perpetual, irrevocable, non-exclusive, transferable license to all users under the terms of the Apache Software License v2 or later.

All comments, messages, pull requests, and other submissions received through CDC including this GitHub page are subject to the Presidential Records Act and may be archived. Learn more at


This repository is not a source of government records, but is a copy to increase collaboration and collaborative potential. All government records will be published through the CDC web site.


Please refer to CDC's Template Repository for more information about contributing to this repository, public domain notices and disclaimers, and code of conduct.


This is the repository with the HL7 utilities service to parse, validate and generate sample HL7 data.







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