diff --git a/.github/workflows/config.yml b/.github/workflows/config.yml
index 963703b0..d78a4e66 100644
--- a/.github/workflows/config.yml
+++ b/.github/workflows/config.yml
@@ -1,4 +1,4 @@
-name: Suikoden Election 2018
+name: 幻水総選挙2018
 
 on:
   push:
@@ -8,41 +8,76 @@ on:
       - 'v*.*.*'
   workflow_dispatch:
 
+env:
+  # TODO: Git のタグを取得して、イメージのタグにする
+  DOCKER_IMAGE: asia-northeast1-docker.pkg.dev/${{ secrets.CLOUD_RUN_PROJECT }}/cloud-run-source-deploy/gensosenkyo-2018
+  GCP_REGION: ${{ secrets.CLOUD_RUN_REGION }}
+  GCP_AUTH_HOST: asia-northeast1-docker.pkg.dev
+  CLOUD_RUN_SERVICE_NAME: gensosenkyo-2018
+  RAILS_ENV: test
+  PG_HOST_TEST: localhost
+  PG_PORT_TEST: 5432
+  PG_USERNAME_TEST: postgres_user
+  PG_PASSWORD_TEST: postgres_password
+
 jobs:
-  suikoden_election_2018_github_actions:
-    name: Suikoden Election 2018 CI
+  rails_app_test:
+    name: Rails アプリのテスト
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        ruby-version: ["3.1.3"]
+    services:
+      postgres:
+        image: postgres:15.1
+        ports:
+          - 5432:5432
+        env:
+          POSTGRES_USER: postgres_user
+          POSTGRES_PASSWORD: postgres_password
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
     steps:
-    - name: コードをチェックアウトする
-      uses: actions/checkout@v3
-    - name: Ruby のセットアップを行う
-      uses: ruby/setup-ruby@v1
-      with:
-        ruby-version: ${{ matrix.ruby-version }}
-        bundler-cache: true
-    - name: Node.js のインストールを行う
-      # https://github.com/nodesource/distributions/blob/master/README.md#debmanual
-      run: |
-        KEYRING=/usr/share/keyrings/nodesource.gpg
-        curl -fsSL https://deb.nodesource.com/gpgkey/nodesource.gpg.key | gpg --dearmor | sudo tee "$KEYRING" >/dev/null
-        gpg --no-default-keyring --keyring "$KEYRING" --list-keys
-
-        # TODO: ハードコーディングは直したい
-        VERSION=node_18.x
-        KEYRING=/usr/share/keyrings/nodesource.gpg
-        DISTRO="$(lsb_release -s -c)"
-        echo "deb [signed-by=$KEYRING] https://deb.nodesource.com/$VERSION $DISTRO main" | sudo tee /etc/apt/sources.list.d/nodesource.list
-        echo "deb-src [signed-by=$KEYRING] https://deb.nodesource.com/$VERSION $DISTRO main" | sudo tee -a /etc/apt/sources.list.d/nodesource.list
+      - name: コードをチェックアウトする
+        uses: actions/checkout@v3
+      - name: Ruby のセットアップを行う
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: .ruby-version
+          bundler-cache: true
+      - name: データベースをセットアップする
+        run: |
+          bin/rails db:create
+          bin/rails db:migrate
+          bin/rails db:seed
+      - name: RSpec を実行する
+        run: |
+          bundle exec rspec
 
-        sudo apt-get update
-        sudo apt-get install nodejs
-    # For Heroku
-    - name: Install appropriate version's Bundler
-      run: gem install bundler:2.2.32
-    - name: $ bundle install
-      run: |
-        bundle config path vendor/bundle
-        bundle _2.2.32_ install --jobs=4 --retry=3
+  deploy_to_cloud_run:
+    needs: rails_app_test
+    if: ${{ github.ref_name == 'main' }}
+    name: Cloud Run に production デプロイする
+    runs-on: ubuntu-latest
+    steps:
+      - name: ソースコードをチェックアウトする
+        uses: actions/checkout@v3
+      - name: GCP の認証を行う
+        uses: google-github-actions/auth@v1
+        with:
+          credentials_json: ${{ secrets.GCP_SERVICE_ACCOUNT_CREDENTIALS }}
+      - name: GCP の CLI の認証を行う
+        run: |
+          gcloud auth configure-docker ${{ env.GCP_AUTH_HOST }}
+      - name: Docker イメージ をビルドする
+        run: |
+          docker build -t ${{ env.DOCKER_IMAGE }} .
+      - name: Docker イメージ をプッシュする
+        run: |
+          docker push ${{ env.DOCKER_IMAGE }}
+      - name: Deploy to Cloud Run
+        uses: google-github-actions/deploy-cloudrun@v0
+        with:
+          service: ${{ env.CLOUD_RUN_SERVICE_NAME }}
+          image: ${{ env.DOCKER_IMAGE }}
+          region: ${{ env.GCP_REGION }}
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 00000000..6ea1e701
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,27 @@
+FROM ruby:3.1.3
+ENV LANG C.UTF-8
+
+RUN apt update -qq && apt install -y build-essential libpq-dev nodejs
+RUN gem install bundler
+RUN apt-get update && apt-get install -y curl apt-transport-https wget && \
+    curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - && \
+    echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list && \
+    apt-get update && apt-get install -y yarn
+
+RUN mkdir /myapp
+WORKDIR /myapp
+
+COPY Gemfile /myapp/Gemfile
+COPY Gemfile.lock /myapp/Gemfile.lock
+
+RUN gem install bundler
+
+# TODO: production ビルド前提なので、開発環境として Docker を利用する場合は Dockerfile を分ける
+RUN bundle config set --local without 'test development'
+RUN bundle install
+
+COPY . /myapp
+
+# Add a script to be executed every time the container starts.
+COPY entrypoint.sh /usr/bin/
+ENTRYPOINT ["entrypoint.sh"]
diff --git a/entrypoint.sh b/entrypoint.sh
new file mode 100755
index 00000000..2d95d648
--- /dev/null
+++ b/entrypoint.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+set -e
+
+RAILS_PORT=3000
+if [ -n "$PORT" ]; then
+  RAILS_PORT=$PORT
+fi
+
+bin/rails assets:precompile
+bin/rails db:create
+bin/rails db:migrate
+bin/rails db:seed
+
+rm -f tmp/pids/server.pid
+
+bin/rails s -p $RAILS_PORT -b 0.0.0.0
diff --git a/set_gh_secrets.sh b/set_gh_secrets.sh
new file mode 100755
index 00000000..9043fd95
--- /dev/null
+++ b/set_gh_secrets.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+set -euxo pipefail
+
+gh secret set CLOUD_RUN_PROJECT --body "${CLOUD_RUN_PROJECT}"
+gh secret set CLOUD_RUN_REGION --body "${CLOUD_RUN_REGION}"
+gh secret set GCP_SERVICE_ACCOUNT_CREDENTIALS < /opt/credentials/cloud_run_creds.json