Developing Microservices - Node, React, and Docker

Architecture

Name	Service	Container	Tech
Web	Web	web	React, React-Router
Movies API	Movies	movies	Node, Express
Movies DB	Movies	movies-db	Postgres
Swagger	Movies	swagger	Swagger UI
Users API	Users	users	Node, Express
Users DB	Users	users-db	Postgres
Functional Tests	Test	n/a	TestCafe

Want to learn how to build this project?

Check out the blog post.

Want to use this project?

Setup

Fork/Clone this repo
Download Docker (if necessary)

Make sure you are using a Docker version >= 17:

$ docker -v
Docker version 17.03.0-ce, build 60ccb22

Build and Run the App

Set the Environment variables

$ export NODE_ENV=development

Fire up the Containers

Build the images:

$ docker-compose build

Run the containers:

$ docker-compose up -d

Migrate and Seed

With the apps up, run:

$ sh init_db.sh

Sanity Check

Test out the following services...

(1) Users - http://localhost:3000

Endpoint	HTTP Method	CRUD Method	Result
/users/ping	GET	READ	`pong`
/users/register	POST	CREATE	add a user
/users/login	POST	CREATE	log in a user
/users/user	GET	READ	get user info

(2) Movies - http://localhost:3001

Endpoint	HTTP Method	CRUD Method	Result
/movies/ping	GET	READ	`pong`
/movies/user	GET	READ	get all movies by user
/movies	POST	CREATE	add a single movie

(3) Web - http://localhost:3007

Endpoint	HTTP Method	CRUD Method	Result
/	GET	READ	render main page
/login	GET	READ	render login page
/register	GET	READ	render register page
/logout	GET	READ	log a user out
/collection	GET	READ	render collection page

(4) Movies Database and (5) Users Database

To access, get the container id from docker ps and then open psql:

$ docker exec -ti <container-id> psql -U postgres

(6) Functional Tests

With the containers up running and TestCafe globally installed, run:

$ sh test.sh

(7) Swagger - http://localhost:3003/docs

Access Swagger docs at the above URL

Commands

To stop the containers:

$ docker-compose stop

To bring down the containers:

$ docker-compose down

Want to force a build?

$ docker-compose build --no-cache

Remove images:

$ docker rmi $(docker images -q)

mridhul/microservice-movies