Kamal Bun Workspace GitHub Action Deploy 2025

deploy-app.yml

name: App Deployment
concurrency:
  group: production
  cancel-in-progress: true
on:
  push:
    branches:
      - main
    paths:
      - 'apps/app/**'
      - '.github/workflows/deploy-app.yml'
jobs:
  deploy:
    runs-on: ubuntu-latest
    environment: app
    env:
      DOCKER_BUILDKIT: 1
      RAILS_ENV: production
      KAMAL_REGISTRY_PASSWORD: ${{ secrets.KAMAL_REGISTRY_PASSWORD }}
      KAMAL_REGISTRY_USERNAME: ${{ secrets.KAMAL_REGISTRY_USERNAME }}
      SSH_KEY: ${{ secrets.SSH_KEY }}
      SSH_HOST: ${{ secrets.SSH_HOST }}
    steps:
      - uses: actions/checkout@v4

      - uses: ruby/setup-ruby@v1
        with:
          ruby-version: 3.3.1
          bundler-cache: true

      - run: gem install kamal

      - name: Set up SSH
        run: |
          mkdir -p ~/.ssh
          echo "$SSH_PRIVATE_KEY" > ~/.ssh/your_key
          chmod 600 ~/.ssh/your_key
          eval $(ssh-agent -s)
          ssh-add ~/.ssh/your_key
          ssh-keyscan ${{ secrets.SSH_HOST }} >> ~/.ssh/known_hosts
        env:
          SSH_PRIVATE_KEY: ${{ secrets.SSH_KEY }}
      
      - run: kamal version

      - name: Release Lock
        run: cd apps/app && kamal lock release 

      - name: Set up Docker Buildx for cache
        uses: docker/setup-buildx-action@v3

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.KAMAL_REGISTRY_USERNAME }}
          password: ${{ secrets.KAMAL_REGISTRY_PASSWORD }}

      - uses: oven-sh/setup-bun@v2
        with:
          bun-version: 1.2.10

      - name: Install dependencies
        run: bun install

      - name: Deploy
        run: cd apps/app && kamal redeploy