How to Install Hasura on OpenBSD

Hasura is a powerful open-source engine that allows you to instantly setup an API for your database. It offers a lot of features such as real-time updates, powerful relationships, and authorization.

In this tutorial, we will guide you through the installation process of Hasura on OpenBSD.

Prerequisites

Before starting, it's necessary to have the following prerequisites set up:

An OpenBSD machine with root access
Docker runtime environment installed on OpenBSD
Docker Compose installed on OpenBSD

Installation Steps

Now let's start with the installation of Hasura on OpenBSD:

First, create a new directory for the Hasura project:
```
$ mkdir hasura
$ cd hasura
```

Next, create a new file docker-compose.yml within the directory:

$ vi docker-compose.yml

Add the following code into the file:

version: '3'
services:
  postgres:
    image: postgres
    restart: always
    environment:
      POSTGRES_PASSWORD: your_password_here
    volumes:
      - ./postgres-data:/var/lib/postgresql/data
  graphql-engine:
    image: hasura/graphql-engine:v2.0.0-alpha.7
    depends_on:
      - postgres
    stdin_open: true
    tty: true
    ports:
      - "9695:9695"

In the above code, replace your_password_here with a strong password of your choice.

Save and exit the file by pressing ESC key followed by :wq and then press enter.
Now, start the containers:
```
$ docker-compose up -d
```
Wait for the containers to be started, then navigate to http://localhost:9695/ in your web browser to access the Hasura GraphQL Console.
Now, you can use the console to access your database and start setting up your API.

And that's it! You have successfully installed Hasura on OpenBSD using Docker Compose.