This Ruby on Rails 7 api only application can used to quickly start development using JWT authentication token.

Database Configuration

• create config/database.yml and add following content

default: &default
  adapter: postgresql
  encoding: unicode
  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
  database: <%= ENV.fetch("DATABASE_NAME") %>
  username: <%= ENV.fetch("DATABASE_USERNAME") %>
  password: <%= ENV.fetch("DATABASE_PASSWORD") %>
  host: <%= ENV.fetch("DATABASE_HOST") %>
  port: 5432

development:
  <<: *default

test:
  <<: *default

• Setup database using rails db:create db:migrate

Environment variables

• create .env.development.local for development
• create .env.test.local for test

Content of environment files are

POSTGRES_USER=
POSTGRES_PASSWORD=
POSTGRES_DB=
POSTGRES_HOST=

Note: Since docker postgres image consider POSTGRES_ prefix as environment variable, we are using it.

Testing

• RSpec is used for testing. Run rspec command to test

Server start

• Run rails s to start server

Start server using Docker

• Install docker in machine if not already
• Build image using docker compose

sudo docker compose up --build