Node.js開発者のためのHeroku入門

Node.js Heroku

Salesforce Developer Web

[email protected] @sho7650

(Qiita/Twitter)

(Takashi Abe) Platform Specialist

Forward-Looking Statements

Statement under the Private Securities Litigation Reform Act of 1995:

This presentation may contain forward-looking statements that involve risks, uncertainties, and assumptions. If any such uncertainties materialize or if any of the assumptions proves incorrect, the results of salesforce.com, inc. could differ materially from the results expressed or implied by the forward-looking statements we make. All statements other than statements of historical fact could be deemed forward-looking, including any projections of product or service availability, subscriber growth, earnings, revenues, or other financial items and any statements regarding strategies or plans of management for future operations, statements of belief, any statements concerning new, planned, or upgraded services or technology developments and customer contracts or use of our services.

The risks and uncertainties referred to above include but are not limited to risks associated with developing and delivering new functionality for our service, new products and services, our new business model, our past operating losses, possible fluctuations in our operating results and rate of growth, interruptions or delays in our Web hosting, breach of our security measures, the outcome of any litigation, risks associated with completed and any possible mergers and acquisitions, the immature market in which we operate, our relatively limited operating history, our ability to expand, retain, and motivate our employees and manage our growth, new releases of our service and successful customer deployment, our limited history reselling non-salesforce.com products, and utilization and selling to larger enterprise customers. Further information on potential factors that could affect the financial results of salesforce.com, inc. is included in our annual report on Form 10-K for the most recent fiscal year and in our quarterly report on Form 10-Q for the most recent fiscal quarter. These documents and others containing important disclosures are available on the SEC Filings section of the Investor Information section of our Web site.

Any unreleased services or features referenced in this or other presentations, press releases or public statements are not currently available and may not be delivered on time or at all. Customers who purchase our services should make the purchase decisions based upon features that are currently available. Salesforce.com, inc. assumes no obligation and does not intend to update these forward-looking statements.

HerokuNode.js Heroku

Node.js Github Heroku Salesforce

Node.jsHeroku Node.js Web

Heroku/

Node.js +Expresson Heroku

HerokuDashboard

Heroku Pipeline(CD)

OK

(Takashi Abe) Platform Specialist (@sho7650) HW IT : Perfume/BABYMETAL/

Heroku

Web()

()()

OS//

Heroku 3

: Heroku

DBMS

OS

DBMS

OS

IaaS (Infrastructure as a Service)

DBMS

OS

SaaS (Software as a Service)

/

DBMS

OS

PaaS (Platform as a Service)

24/365

IaaS

:

Dyno

Dyno

Data

Add-ons

Payments Email SMS Search Analytics Monitoring Logging

Ruby Node.js Java Node.js Node.js Scala Clojure

Postgres Redis Kafka

Heroku

The Twelve Factor App

:

Git / Github

Pipeline > >

Fork

/

Private Spaces DynoDataHeroku

SLA

Add-on

Heroku Connect Salesforce

Private Spaces

Heroku Connect

Postgres Heroku

Salesforce

PaaS /

1.0API0.2()

Heroku PostgreSQL / SendGrid / Cloudinary

Web(fork)

Node.jsHeroku

Node.js on Heroku : Heroku

Heroku () git ()Heroku CLI

Heroku git!

Heroku Heroku Sign up

https://www.heroku.com/home

Heroku FREE ACCOUNT

Heroku Heroku Heroku CLI

https://devcenter.heroku.com/articles/heroku-cli

Node.js+Expresson HerokuNode.js/WebHeroku

Heroku/Web git push !

Heroku

git clone

heroku create

:

git push heroku logs

150!?

()

$ git clone https://github.com/tabesfdc/heroku_nodejs_20170525.git

Cloning into 'heroku_nodejs_20170525'... remote: Counting objects: 56, done. remote: Compressing objects: 100% (35/35), done. remote: Total 56 (delta 17), reused 52 (delta 15), pack-reused 0 Unpacking objects: 100% (56/56), done. $ cd ./heroku_nodejs_20170525/

() cd

Heroku (Dyno) Heroku

$ heroku create

Creating app... done, shielded-escarpment-56633 https://calm-lowlands-14220.herokuapp.com/ | https://git.heroku.com/ shielded-escarpment-56633.git

()Heroku WebURL https:// shielded-escarpment-56633.herokuapp.com/

heroku create Heroku

Heroku Addon hobby-dev Heroku Postgres

$ heroku addons:create heroku-postgresql:hobby-dev

Creating heroku-postgresql:hobby-dev on calm-lowlands-14220... free Database has been created and is available ! This database is empty. If upgrading, you can transfer ! data from another database with pg:copy Created postgresql-rugged-39577 as DATABASE_URL Use heroku addons:docs heroku-postgresql to view documentation

() DB URL DATABASE_URL

!

$ git remote v

heroku https://git.heroku.com/shielded-escarpment-56633.git (fetch) heroku https://git.heroku.com/shielded-escarpment-56633.git (push) origin https://github.com/tabesfdc/heroku_nodejs_20170525.git (fetch) origin https://github.com/tabesfdc/heroku_nodejs_20170525.git (push)

$ git push heroku master

Counting objects: 140, done. Delta compression using up to 4 threads.

: To https://git.heroku.com/shielded-escarpment-56633.git * [new branch] master -> master

() heroku create git

$ heroku logs

2017-05-24T06:27:43.003450+00:00 heroku[web.1]: Starting process with command `npm start` 2017-05-24T06:27:49.673347+00:00 app[web.1]: 2017-05-24T06:27:49.673389+00:00 app[web.1]: > [email protected] start /app 2017-05-24T06:27:49.673390+00:00 app[web.1]: > node ./bin/www 2017-05-24T06:27:49.673391+00:00 app[web.1]: 2017-05-24T06:27:50.442533+00:00 heroku[web.1]: State changed from starting to up

()

Rails rake db:migrate

$ heroku run sequelize db:migrate

Running sequelize db:migrate on shielded-escarpment-56633... up, run.8804 (Free) Sequelize [Node: 6.10.3, CLI: 2.7.0, ORM: 3.30.4] Loaded configuration file "config/config.json". Using environment "production". == 20170524051320-create-account: migrating ======= == 20170524051320-create-account: migrated (0.268s)

() heroku run dyno Worker Dyno

Web

$ heroku open

heroku open Web! !

Heroku DashboardGUI

Heroku Dashboard Heroku Web

Heroku Dashboard: apps Heroku

()

Heroku Dashboard: OverviewHeroku

Dyno

Dyno

Heroku Dashboard: ResourcesDyno

Dyno

Dyno

Heroku Dashboard: Metrics

Heroku Dashboard: Access

Heroku Dashboard: SettingsHeroku

buildpack

SSL

!

Heroku Pipelines + Pull requestContinious Delivery(CD)

https://devcenter.heroku.com/articles/pipelines

Pull Request !!

Heroku Button 1click Heroku deploy

https://devcenter.heroku.com/articles/heroku-button

1CLICK !!

: app.json Heroku Button Pipeline app.json

{ "name": "heroku-nodejs-0525", "scripts": { "postdeploy": " }, "env": { "APP_KEY": { "value": " } }, "formation": { }, "addons": [ "heroku-postgresql:hobby-dev ], buildpacks": [ { "url": "heroku/nodejs } ] }

app.json

()

buildpack

Node.js with Express

Node.js with Express Heroku

PostgreSQL package.json Procfile Heroku

PostgreSQLHeroku PostgreSQL sqlite3

package.jsonnpm

{ "name": "heroku-nodejs-20170525", "version": "0.0.1", "private": true, "scripts": { "start": "node ./bin/www }, "dependencies": { "pg": "~6.2.2", "body-parser": "~1.17.1", "cookie-parser": "~1.4.3", "debug": "~2.6.3", "express": "~4.15.2", "jade": "~1.11.0", "morgan": "~1.8.1", "serve-favicon": "~2.4.2 } }

Express

ProcfileNode.js Procfile

web: npm index.js

node.js

Node.js Procfile npm start !

pg

"production": { "use_env_variable": "DATABASE_URL, "dialect": "postgres" }

sequelize

var pg = require('pg'); app.get('/db', function (request, response) { pg.connect(process.env.DATABASE_URL, function(err, client, done) { client.query('SELECT * FROM test_table', function(err, result) { done(); if (err) { console.error(err); response.send("Error " + err); } else { response.render('pages/db', {results: result.rows} ); } }); }); });

pg

Node

DB

heroku run sequelize db:migrate --env production -m

sequelize Migration

Node.js ...

TZ Asia/Tokyo

PORT (process.env.PORT)

port

Heroku

Dyno 24+ 24

Web 30

Twelve Factor App(https://12factor.net/ja/)

Heroku

https://devcenter.heroku.com/articles/limits

Heroku

Heroku

Heroku Web GUIDashboard CLI

git push