.. meta::
   :description: Get started with Hasura using Docker
   :keywords: hasura, docs, start, docker

.. _docker_simple:

Quickstart with Docker
======================

.. contents:: Table of contents
  :backlinks: none
  :depth: 1
  :local:

Introduction
------------

This guide will help you get the Hasura GraphQL engine and Postgres running as
Docker containers using Docker Compose. This is the easiest way to set up
Hasura GraphQL engine on your **local environment**. 

In case you'd like to run Hasura on an existing Postgres database, follow :ref:`this guide <deployment_docker>`
to deploy the Hasura GraphQL engine as a standalone docker container and connect it to your Postgres instance.

Prerequisites
-------------

- `Docker <https://docs.docker.com/install/>`__
- `Docker Compose <https://docs.docker.com/compose/install/>`__

Step 1: Get the docker-compose file
----------------------------------- 

The `hasura/graphql-engine/install-manifests <https://github.com/hasura/graphql-engine/tree/stable/install-manifests>`__ repo
contains all installation manifests required to deploy Hasura anywhere. Get the docker compose file from there:

.. code-block:: bash

   # in a new directory run
   wget https://raw.githubusercontent.com/hasura/graphql-engine/stable/install-manifests/docker-compose/docker-compose.yaml
   # or run
   curl https://raw.githubusercontent.com/hasura/graphql-engine/stable/install-manifests/docker-compose/docker-compose.yaml -o docker-compose.yml

.. admonition:: Try out Hasura v2.0

   You can try out the latest alpha release of Hasura v2.0 by using the following manifests instead:

   .. code-block:: bash

      # in a new directory run
      wget https://raw.githubusercontent.com/hasura/graphql-engine/master/install-manifests/docker-compose-v2.0.0/docker-compose.yaml
      # or run
      curl https://raw.githubusercontent.com/hasura/graphql-engine/master/install-manifests/docker-compose-v2.0.0/docker-compose.yaml -o docker-compose.yml

   See the `changelog <https://github.com/hasura/graphql-engine/releases>`__

Step 2: Run Hasura GraphQL engine & Postgres
--------------------------------------------

.. code-block::  bash

   $ docker-compose up -d

Check if the containers are running:

.. code-block:: bash

  $ docker ps

  CONTAINER ID IMAGE                 ... CREATED STATUS PORTS          ...
  097f58433a2b hasura/graphql-engine ... 1m ago  Up 1m  8080->8080/tcp ...
  b0b1aac0508d postgres              ... 1m ago  Up 1m  5432/tcp       ...

Step 3: Open the Hasura console
-------------------------------

Head to ``http://localhost:8080/console`` to open the Hasura console.

Step 4: Try out Hasura
----------------------

Create a table
^^^^^^^^^^^^^^

On the Hasura console, navigate to ``Data -> Create table`` and create a sample table called ``profiles`` with
the following columns:

.. code-block:: sql

  profiles (
    id SERIAL PRIMARY KEY, -- serial -> auto-incrementing integer
    name TEXT
  )

.. thumbnail:: /img/graphql/core/getting-started/create-profile-table.png
   :alt: Create a table

Now, insert some sample data into the table using the ``Insert Row`` tab of the ``profiles`` table.

Try out a query
^^^^^^^^^^^^^^^

Head to the ``GraphiQL`` tab in the console and try running the following query:

.. code-block:: graphql

    query {
      profiles {
        id
        name
      }
    }

You'll see that you get all the inserted data!

.. thumbnail:: /img/graphql/core/getting-started/profile-query.png
   :alt: Try out a query

Next steps
----------

Learn course
^^^^^^^^^^^^

For a full hands-on tour of Hasura, check out our `30-Minute Hasura Basics Course <https://hasura.io/learn/graphql/hasura/introduction/>`__.

Database operations
^^^^^^^^^^^^^^^^^^^

- :ref:`Database modelling <schema>`: Learn how to model your database schema, as well as how to extend it.
- :ref:`Querying data <queries>`: Use GraphQL queries to query data from your GraphQL API.
- :ref:`Inserting data <mutations>`: Use GraphQL mutations to insert data into your GraphQL API.

Business logic
^^^^^^^^^^^^^^

There are several options for the implementation of business logic, depending on your use case.

- :ref:`Actions <actions>`: Actions can be used if you'd like to extend your GraphQL schema by integrating with a REST endpoint.
- :ref:`Remote schemas <remote_schemas>`: If you have an existing GraphQL server or if you're comfortable with implementing one, you can use remote schemas.
- :ref:`Event triggers <event_triggers>`: To trigger a serverless function based on a database event, use event triggers.
- :ref:`Scheduled triggers <scheduled_triggers>`: Scheduled triggers are used to execute custom business logic at specific points in time.

Migrations
^^^^^^^^^^

Set up :ref:`Hasura migrations <migrations_setup>` to track your database alterations. This will make it easier to move to a different environment (e.g. staging or prod) later.

Secure your endpoint
^^^^^^^^^^^^^^^^^^^^

:ref:`Add an admin secret <secure_project>`
to make sure that your GraphQL endpoint and the Hasura console are not publicly accessible.

Advanced Docker setup
---------------------

This was a quickstart guide to get the Hasura GraphQL engine up and running
quickly. For more detailed instructions on deploying using Docker with an
external database, check out :ref:`deployment_docker`.

- :ref:`Using Docker <deployment_docker>`: Run as a docker container and connect to an existing Postgres
  database.