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learn-devops

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🚧 Learn the craft of "DevOps" (Developer Operations) to Deploy your App and Monitor it so it stays "Up"!

파일 탐색기

최종 버전 다운로드 (.zip)

- README.md
- elixir-phoenix-deployement.md
- fly-phoenix-setup.md
- connect-to-raspberrypi.md
- install-gogs-raspberrypi.md
- README.md
- README.md
- - ports1.conf
- apache.sh
- favicon.ico
- index.html
- README.md
- setup.sh
- Vagrantfile
- - autobase
  - default
- dokku-nginx.conf.sigil
- letsencrypt-wildcard-certificate.md
- nginx-dokku-hello.conf
- nginx-phoenix-basic.conf
- nginx.conf
- nginx.conf_old
- README.md
- nodejs-digital-ocean-centos-dokku.md
- nodejs-pm2-zero-downtime.md
- package.json
- autobase-ha-cluster.md
- backup-fly-postgres.md
- create-digitalocean-droplet.md
- managed-postgres-digitalocean.md
- migrate-db.md
- README.md
- self-managed-vps.md
.gitignore
cheatsheet.md
LICENSE
README.md

# 설치 가이드

1. 코드 내려받기

git clone https://github.com/dwyl/learn-devops

깃허브에서 프로젝트 코드 전체를 내 컴퓨터로 내려받습니다.

cd learn-devops

방금 내려받은 프로젝트 폴더 안으로 이동합니다.

2. Node.js

쉬움 추천

사전 준비물

Git GitHub에서 프로젝트 코드를 내려받으려면 필요합니다.
Node.js npm 명령어를 쓰려면 Node.js가 설치되어 있어야 합니다. LTS(장기지원) 버전을 추천합니다.

cd node

이 프로젝트의 관련 파일이 하위 폴더 안에 있어서, 먼저 그 폴더로 이동합니다.

npm install

package.json에 명시된 라이브러리들을 내려받아 설치합니다.

npm start

개발/실행 서버를 켭니다.

✅ 명령어 실행 후 터미널에 나타나는 주소(보통 http://localhost:3000 형태)를 브라우저에서 열어보세요.

// repository documentation

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<div align="center">

# Learn DevOps

Learn the craft of DevOps (Developer Operations)
to _reliably_ deploy your App and keep it Up!

![devops-process](https://user-images.githubusercontent.com/194400/28494977-ce74a632-6f36-11e7-9f86-f48abde49479.png)

</div>

## Why?

You should learn more "advanced" DevOps if:

- You / your team have _out-grown_
  [**Fly.io**](https://fly.io/speedrun/)
  or
  [**Heroku**](https://github.com/dwyl/learn-heroku)
  (e.g: your [PaaS](https://en.wikipedia.org/wiki/Platform_as_a_service)
   bill is more than **$100/month**)
- You want **more control** over your infrastructure
  e.g: to run a specific version of software or database.
- Your client/boss has instructed you
  to use a _specific_ cloud provider.
- **_Curiosity_** to _extend_ your
  **backend infrastructure knowledge** to be a more
  _well-rounded_ engineer.

## What?

> "_**DevOps** integrates **developers** and **operations** teams
> in order to **improve collaboration** and productivity
> by **automating infrastructure**, automating workflows
> and **continuously measuring** application performance._"<br />
> from: ["**What is DevOps**?"](https://youtu.be/_I94-tJlovg) by RackSpace

## Who?

Everyone that wants to _seriously consider/call_ themself
a "**_Full Stack_**" **Developer** **_must_** know how to deploy,
_secure_ and _monitor_ their app on their chosen infrastructure.

## How?

Over the years we @dwyl have deployed/managed Apps,
both our own and those of our clients,
on a wide variety of infrastructure and platform providers.

_Most_ of our Apps have been deployed to **Amazon Web Services** ("**AWS**")
e.g: https://www.sciencemuseum.org.uk <br />
We have _several_ clients who use (_and **love**_) Heroku e.g:
https://www.ellenmacarthurfoundation.org <br />
For the National Health Service (NHS) in England,
(_who have a major contract with Microsoft_)
we deployed to Microsoft Azure. <br />
We have clients who still own their own "_Bare Metal_" Servers.

### Provider-Specific Guides

We have produced a guide for each of our most-used
infrastructure/platform providers:

- AWS:
  [dwyl/learn-amazon-web-services](https://github.com/dwyl/learn-amazon-web-services)
- AWS Lambda:
  [dwyl/learn-aws-lambda](https://github.com/dwyl/learn-aws-lambda)
- Azure:
  [dwyl/learn-microsoft-azure](https://github.com/dwyl/learn-microsoft-azure)
- Heroku:
  [dwyl/learn-heroku](https://github.com/dwyl/learn-heroku)
- Fly.io:
  [fly-phoenix-setup.md](https://github.com/dwyl/learn-devops/blob/master/fly-phoenix-setup.md)
- Linode:
  [linode-setup.md](https://github.com/dwyl/learn-devops/blob/master/linode-setup.md)
- DigitalOcean:
  [nodejs-digital-ocean-centos-dokku.md](https://github.com/dwyl/learn-devops/blob/master/nodejs-digital-ocean-centos-dokku.md)

### `Gogs` Git Server

We needed to run a our own `Git` server
for one of our projects.
So we deployed `Gogs`
both `locally` and to Fly.io
and documented it:
[`/gogs`](gogs/README.md)

### Node.js

- Node.js with Dokku:
  [nodejs-digital-ocean-centos-dokku.md](https://github.com/dwyl/learn-devops/blob/master/nodejs-digital-ocean-centos-dokku.md)
- Node.js "Zero Downtime" Production Deployment with PM2:
  [nodejs-pm2-zero-downtime.md](https://github.com/dwyl/learn-devops/blob/master/nodejs-pm2-zero-downtime.md)

> If you would like to see a guide for a _different_ service provider,
> please open an issue with your suggestion(s):
> https://github.com/dwyl/learn-devops/issues

### Testing, Continuous Integration & Delivery

Deployment is what you do with your app once you have
built, tested and documented it.

If you are unfamiliar with Test-Driven Development (TDD),
please see: https://github.com/dwyl/learn-tdd <br />

Next you should be proficient with Continuous Integration.
For that we recommend using Travis-CI, see:
[https://github.com/dwyl/**learn-travis**](https://github.com/dwyl/learn-travis)

https://github.com/dwyl/learn-travis/blob/master/encrypted-ssh-keys-deployment.md

<!--
### _First_ Upgrade Deployment

Build Upgrade based on the version currently on Staging:
```
mix edeliver build upgrade --auto-version=git-revision --from=$(1.0.3) --to=$(git rev-parse HEAD) --verbose --branch=continuous-delivery
```

Get the version that was created and use it as the `--version` in the next command:

```
mix edeliver deploy upgrade to production --version=1.0.3+3a4f948 --verbose
```

> _**NOTE**: We have an **Open issue** for deploying an **UPGRADE**
via Continuous Integration:_ https://github.com/dwyl/learn-devops/issues/19 <br />
> _We requested help on:_ https://github.com/edeliver/edeliver/issues/234 <br />
> _But sadly, no reply, yet ..._
_if you have time to help please comment on the issue!_
-->

## Resources

### Videos

- What is DevOps:
  [youtu.be/I7vHqXY22gg](https://youtu.be/I7vHqXY22gg)
- What is DevOps? - In Simple English:
  [youtu.be/_I94-tJlovg](https://youtu.be/_I94-tJlovg)
  (_good info but last minute is a RackSpace pitch_)
- DevOps for Beginners Course Introduction:
  [youtu.be/v7ZcZfGBFcU](https://youtu.be/v7ZcZfGBFcU)

### Background Reading

- [wikipedia.org/DevOps](https://en.wikipedia.org/wiki/DevOps)
- [theagileadmin.com/what-is-devops](https://theagileadmin.com/what-is-devops)
- [newrelic.com/devops/what-is-devops](https://newrelic.com/devops/what-is-devops)
- [logit.io/blog/post/what-is-devops](https://logit.io/blog/post/what-is-devops)

### Linode-specific How-tos

- SSH with Public Keys:
  https://www.linode.com/docs/security/use-public-key-authentication-with-ssh
- Using Vagrant for Environment Management:
  https://www.linode.com/docs/applications/configuration-management/vagrant-linode-environments

### Using a Different Cloud Infrastructure Provider?

While this tutorial has focussed on using Linode,
we @dwyl have _experience_ of using _several_ infrastructure providers:

- Amazon Web Services: https://github.com/dwyl/learn-amazon-web-services
- Azure: https://github.com/dwyl/learn-microsoft-azure
- Digital Ocean: https://github.com/dwyl/DigitalOcean-Setup
- Heroku: https://github.com/dwyl/learn-heroku

if you have a question specific to using Linode or one of the _other_
"cloud" providers, please
[**open an _issue_**](https://github.com/dwyl/learn-devops/issues)
and we will attempt to help!

<!--

## <sup>1</sup>Why Not "_Just Use Heroku_"?

Heroku is great for _most_ use-cases.
But it gets _expensive_ very quickly!
The moment you start to pay for an app it's $7/month
(_which may not sound "expensive" on the surface_)
But it's the _Database_ that's the _expensive_ part!

### Heroku Database _Extortion_

The moment you go beyond the "_hobby_" plan:
![heroku-hobby-dev](https://user-images.githubusercontent.com/194400/28563894-543876d8-711f-11e7-9b09-cb548e10ee84.png)

![heroku-hobby-basic](https://user-images.githubusercontent.com/194400/28563938-77966842-711f-11e7-9668-eaa694325a79.png)

![heroku-database-pricing](https://user-images.githubusercontent.com/194400/28563258-4e7628d2-711d-11e7-81e0-b3997d9d05ca.png)

As you can see, from the pricing, the _resources_ do offer value-for money
once the project's database goes above a certain size.

-->
<br />
Thanks for learning with us!
Your feedback/questions is always welcome.
Please star if you found this useful. ⭐ 🙏
<br />

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