#Nodejs api aws postgresql for free
#Nodejs api aws postgresql code
#Nodejs api aws postgresql password

This can be done with the following commands: mkdir lambdapostgres In order to achieve this, on your local machine you will need to create a nodejs project using Node.js via the terminal or command prompt.

#Nodejs api aws postgresql code

Since it will require the PostgreSQL connector in order to establish a connection to the RDS PostgreSQL Database, the code will have to be created locally then imported into the lambda console. Now let's verify the generated GraphQL mutation by trying out the sample mutation in GraphiQL.There are two ways in which AWS Lambdas can be created, via the online Lambda code editor or by importing a deployment package in zip format with the code which you would like the lambda to be created from.

#Nodejs api aws postgresql password

Here we are defining the Mutation type registerUser which accepts the name, email and password arguments and returns the id of the user. Now let's head to the Actions tab on the Hasura Console and define the GraphQL types for our app. By creating this project, you have already got a GraphQL endpoint for the Postgres database that is globally available, secure and scalable from the beginning. Once you are done creating the project, click on Launch the Console button on the Projects page for the newly created project and the Hasura Console should be visible.

We can make use of Heroku's free Postgres database tier to try this app.Īfter signing in with Heroku, you should see the option to Create project. Hasura requires a Postgres database to start with.

#Nodejs api aws postgresql for free

Click on the Deploy to Hasura button below, signup for free and create a new project. Let's take the example of registering a user.īefore we begin, let's create a project on Hasura Cloud to setup the Action. In case you are starting from scratch, we will define the GraphQL types required for the Action and create a simple Express app to handle the resolver bit. Hasura Actions ArchitectureĪn action can be either a query or a mutation. Actions can be added to Hasura to handle various use cases such as data validation, data enrichment from external sources and any other complex business logic. ActionsĪctions are a way to extend Hasura’s schema with custom business logic using custom queries and mutations.

In case you are looking to write a new or keep your existing REST API for the custom logic, you can do so using Actions which is what we will focus in this post. If you are comfortable writing GraphQL servers, you can totally add a custom GraphQL server as a Remote Schema and Hasura merges it automatically for you. In case of custom business logic, Hasura lets you extend the Graph through different ways.

Hasura reduces bulk of this complexity of setting up a GraphQL API from scratch by giving you instant GraphQL CRUD for databases (currently Postgres) which should cover most of the data fetching and realtime subscription use cases. The hard parts about this server component is the resolver code for someone who is used to writing a REST API with GET or POST and handling auth logic for each type which becomes complex as the app grows bigger. Typically writing a GraphQL server from scratch will involve setting up the GraphQL schema, type definitions and wiring it up with the resolvers in the language/framework of choice. In this post, we will look at using Hasura Actions to convert your Node.js REST API to GraphQL.