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Express API ES6 Starter

Starter application for building APIs with Express.js

Build Status Codecov

Check out the working demo :point_right: here.

Comes with:



Clone the repository, install the dependencies and get started right away.

$ git clone --depth=1 [email protected]:mesaugat/express-api-es6-starter.git 
$ cd 
$ rm -rf .git
$ yarn   # or npm install

Make a copy of

and update your application details and database credentials. Now, run the migrations and seed the database.
$ yarn migrate
$ yarn seed

Finally, start the application.

$ yarn start:dev (For development)
$ NODE_ENV=production yarn start (For production)

Navigate to http://localhost:8848/api-docs/ to verify installation.

Creating new Migrations and Seeds

These are the commands to create a new migration and corresponding seed file.

$ yarn make:migration 
$ yarn make:seeder 


$ yarn make:migration create_tags_table
$ yarn make:seeder 02_insert_tags

Using Docker

Using docker-compose

Use docker-compose to quickly bring up a stack with pre-configured Postgres database container. Data is ephemeral and containers will disappear when stack is removed.

Specific configuration for Docker is in

    to expose app on Docker network interface
  • Pre-configured Postgres settings - can be updated to point to another Postgres host

Bring up stack,

$ docker-compose up

Navigate to http://localhost:8848/api-docs/ to verify application is running from docker.

Bring down stack,

$ docker-compose down

Multi-stage docker builds

There are multiple build targets available for different stages. These images can be used to deploy or run jobs in different container based cloud infrastructure like Kubernetes, AWS ECS, Fargate, GCP Cloud Run etc.

  1. Building a production image.
   $ docker build --target=prod -t express-api-es6-starter:prod .
  1. Building an image for development.
   $ docker build --target=dev -t express-api-es6-starter:dev .
  1. Building an image that runs migration and/or rollback.
    # Docker image that runs migration and seeds.
    $ docker build --target=migrate -t express-api-es6-starter:migrate .

# Docker image that rollbacks migrations.
$ docker build --target=migrate-rollback -t express-api-es6-starter:migrate-rollback .

Once the images have been built - all you need to do is run them providing a

file. Like this:
$ docker run -v "/path/to/your/.env:/app/.env" mesaugat/express-api-es6-starter:migrate

Using MySQL instead of PostgreSQL

Install the mysql driver first.

$ yarn add mysql

Update these lines in your

- DB_CLIENT='pg'
+ DB_CLIENT='mysql'

  • DB_PORT='5432'
  • DB_PORT='3306'

You can remove the pg driver if you like to.

$ yarn remove pg

That's it, you are ready to roll.


To run the tests you need to create a separate test database. Don't forget to update your

file to include the connections for test database.
$ NODE_ENV=test yarn migrate
$ yarn test

Run tests with coverage.

$ yarn test:coverage

Why 8848?

Because the highest point in the world is 8848 metres.


For contribution and feature requests, please create an issue first.


express-api-es6-starter is under MIT License.

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