simple-microservice-nodejs

Simple Micro-service with NodeJS

Introduction

Step by step to create environment for application execution. The instructions below are for Linux OS.

Getting Started

Install Docker
Prepare Containers
Execute Application

Contribute

Helio Nogueira

1. Install Docker

For install Docker, follow the instructions in Docker.

2. Prepare Containers

Instructions for preparing application containers.

2.1. Packages

$ mkdir -p "${HOME}/workspace"
$ cd "${HOME}/workspace"
$ git clone "https://github.com/helionogueir/simple-microservice-nodejs.git"
$ cd "${HOME}/workspace/simple-microservice-nodejs"
$ cp "config.example.json" "config.json"

2.2. Database Container

Follow the instructions below.

$ docker run \
    --name "simple-microservice-nodejs-database" \
    --env "MYSQL_ROOT_PASSWORD=root" \
    --detach "mysql:5.7"

2.3. Populate Datase

Follow the instructions below.

$ docker exec -it "simple-microservice-nodejs-database" /bin/bash
$ mysql -uroot -proot

If you're seeing "mysql>" in your display, means you're connected. Now follow the instructions below.

mysql> CREATE SCHEMA `simple-microservice-nodejs` DEFAULT CHARACTER SET utf8;
mysql> USE `simple-microservice-nodejs`;
mysql> CREATE TABLE IF NOT EXISTS `users` (
  `id` bigint(18) unsigned NOT NULL AUTO_INCREMENT,
  `name` varchar(255) NOT NULL,
  `age` int(3) NOT NULL,
  `created` datetime DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
mysql> INSERT INTO `users` (`name`, `age`) VALUES ('August Maynard', '18');
INSERT INTO `users` (`name`, `age`) VALUES ('Owais Gibson', '57');
INSERT INTO `users` (`name`, `age`) VALUES ('Shay Tillman', '38');
INSERT INTO `users` (`name`, `age`) VALUES ('Ryley Klein', '11');
INSERT INTO `users` (`name`, `age`) VALUES ('Vinay Dunne', '12');
INSERT INTO `users` (`name`, `age`) VALUES ('Esme Wagstaff', '15');
INSERT INTO `users` (`name`, `age`) VALUES ('Skylar Olsen', '98');
INSERT INTO `users` (`name`, `age`) VALUES ('Manuel Butler', '112');
INSERT INTO `users` (`name`, `age`) VALUES ('Kamron Lam', '1');
INSERT INTO `users` (`name`, `age`) VALUES ('Buddy Gilmore', '33');
mysql> SELECT * FROM `users`;

2.4. Application Container

Follow the instructions below.

$ docker run \
    --name "simple-microservice-nodejs-application" \
    --volume "${HOME}/workspace/simple-microservice-nodejs":/var/www/application \
    --link "simple-microservice-nodejs-database" \
    --tty --interactive node:8.10 /bin/bash

3. Execute Application

Here you will prepare and execute the application. Follow the instructions below. You need connected on container "simple-microservice-nodejs-application".

$ cd "/var/www/application"
$ npm install
$ npm start

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