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phoenixでWebアプリを作る 準備編

Last updated at Posted at 2020-10-28

Gigalixrの登録

頑張って登録する。

GithubActionの準備

Githubのmasterリポジトリに登録したら、自動的にGigalixrにデプロイするよう設定する。

専用のプラグイン?が開発されているので、ありがたく使わせてもらう。
https://github.com/mhanberg/gigalixir-action

# This is a basic workflow to help you get started with Actions
name: CI
# Controls when the action will run. Triggers the workflow on push or pull request events but only for the master branch
on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]
# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  deploy:
    if: github.ref == 'refs/heads/master' # Only run this job if it is on the master branch
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
        with:
          ref: master # Checkout out master instead of the latest commit
          fetch-depth: 0 # Checkout the whole branch
      - uses: mhanberg/gigalixir-action@v0.3.0
        with:
          GIGALIXIR_USERNAME: ${{ secrets.GIGALIXIR_USERNAME }}
          GIGALIXIR_PASSWORD: ${{ secrets.GIGALIXIR_PASSWORD }}
          GIGALIXIR_APP: my-gigalixir-app # Feel free to also put this in your secrets
          SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
          MIGRATIONS: false # defaults to true

環境変数の登録は、リポジトリのSettings->Secretsから行う。

go-transproxyの準備

(プロキシ環境下での作業を強いられている場合)
頑張って準備する。

サンプルの実行

ElixirとPhoenixとPostgresSQL入りのコンテナを作ったので、プルして、

docker pull bleach31/phoenix:1.5.5

docker run -p 4000:4000 -it bleach31/phoenix:1.5.5
PostgresSQLのサービス起動が必要なので、いろいろとオプションをつけて起動する。

docker run -p 4000:4000 --privileged -d bleach31/phoenix:1.5.5 /sbin/init
docker exec -it {コンテナ名} /bin/bash
systemctl start postgresql

cd /home/

新しくプロジェクトを作る場合。

mix phx.new hello

続きの場合はGit cloneなりをして、

cd hello/

mix deps.get
mix ecto.create
cd assets/
npm install

mix phx.server

localhost:4000でアクセス!
さらに、githubのmatsterブランチにpushすれば自動的にgigalixirにデプロイされて、外部公開されます。

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