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I'm using the HAPI hapi-structures-v25 library with version 2.3 to parse HL7v2 message & convert that into FHIR resources. json file that NPM created for you and replace its scripts property with this: "scripts" : Now that you know what you just installed, open the package. vision: This library enables templates rendering for Hapi.js.uuid: This library generates RFC-compliant UUIDs in JavaScript.redis: This is a Redis client for Node.js applications.node -env -file: This library parses and loads environment files into a Node.js environment (i.e., into the process.lout: This library helps you create the API documentation for your Hapi.js backend.jwks -rsa: This library retrieves RSA public keys from a JWKS (JSON Web Key Set) endpoint.joi: This library introduces an object schema description language and a validator for JavaScript objects.inert: This is a library that helps you serve static file and directory handlers in your Hapi.js API.hapi -require -https: This is a library that will help you force secure connections (i.e., HTTPS).hapi -auth -jwt2: This is an authentication scheme/plugin for Hapi.js apps using JSON Web Tokens.hapi: This is the main package of Hapi.js itself.good -squeeze: This library is useful for filtering events based on the good event options.good -console: This library is useful for turning good server events into formatted strings.good: This is a library that you will plug into Hapi.js to monitor and report on a variety of server events.boom: This is a library that tightly integrates with Hapi.js to throw HTTP-friendly error objects.However, the following list gives a brief introduction to them: Throughout this article, you will see how each one fits in.
Hapi tool application install#
# install your project's dependencies npm install -save boom good good-console good-squeeze hapi hapi-auth-jwt2 hapi-require-https inert joi jwks-rsa lout node-env-file redis uuid visionĪs you can see, you will need to install a considerable number of dependencies.
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# and create both subdirectories mkdir -p src/routesĪfter that, you can initialize your main directory as an NPM project and install some dependencies on it: # initialize this directory as an NPM project npm init -y # create a directory for your project mkdir nodejs-hapijs-redis So, open a terminal, locate the directory where you want to store your project in, and run the following commands: # e.g., move to your home dir (or anywhere else) cd ~ src /routes: A directory where you will define the endpoints of your API.
Hapi tool application code#
src /: A directory that will hold code related to the server setup.Basically, you will create a project that contains the following structure: Your API will contain the main server setup and individual files for each route you will need to define.
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Hapi tool application download#
In this article, you are going to download and use a pre-built Redis container that allows you to use Redis fresh out of the box, with no setup. Also, Docker uses a file called dockerfile that facilitates the process of sharing containers configuration with others. For example, you can easily bootstrap a container that uses NGINX in front of a Node.js instance to serve a web app with 16MB or less. However, containers are way less expensive (i.e., more lightweight) when compared to traditional virtual machines. Docker achieves this by containerizing these programs into engines that work similarly to virtual machines. Docker, if you don't know, is a solution that enables users to run programs that operate completely isolated from each other. Instead, you are going to run Redis inside a Docker container. To keep your machine clean, you are not going to install Redis directly on your operating system. This version has breaking changes from version 16. Note: In this article, you are going to use Hapi.js 17. You won't develop the frontend application in this article, but you will soon, on an upcoming one. So, in this article, you will use Redis to act as the persistence layer of a backend API that supports a to-do list application. This characteristic of Redis makes this database perfect for applications like to-do lists. As everything in a Redis database is simply a value accessible through a key, fetching data from it is extremely fast. Redis is an open-source, in-memory data store that provides an interface so applications can manipulate data based on a key-value approach. Tweet This What Is Redis and What Will You Build?