spin_preview.yml

# For setup instructions needed for Fermyon Cloud, see:
# https://developer.fermyon.com/cloud/github-actions


# For the Fermyon gh actions themselves, see:
# https://github.com/fermyon/actions

# Specifically:
# https://github.com/fermyon/actions?tab=readme-ov-file#deploy-preview-of-spin-app-to-fermyon-cloud---fermyonactionsspinpreviewv1

name: Preview on Spin Cloud

on:
  pull_request:
    branches: ["main", "v*"]
    types: ['opened', 'synchronize', 'reopened', 'closed']
  workflow_dispatch:

permissions:
  contents: read
  id-token: write

# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
concurrency:
  group: "spin"
  cancel-in-progress: false

jobs:
  Spin-Preview:

    timeout-minutes: 10

    environment:
      name: preview
      url: ${{ steps.preview.outputs.app-url }}

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4 # repo checkout

      # Install Rust Nightly Toolchain, with Clippy & Rustfmt
      - name: Install nightly Rust
        uses: dtolnay/rust-toolchain@nightly
        with:
          components: clippy, rustfmt

      - name: Add WASM & WASI targets
        run: rustup target add wasm32-unknown-unknown && rustup target add wasm32-wasi

      - name: lint
        run: cargo clippy & cargo fmt


      # If using tailwind...
      # - name: Download and install tailwindcss binary
      #   run: npm install -D tailwindcss && npx tailwindcss -i <INPUT/PATH.css> -o <OUTPUT/PATH.css>  # run tailwind


      - name: Download and install Trunk binary
        run: wget -qO- https://github.com/trunk-rs/trunk/releases/download/v0.18.0/trunk-x86_64-unknown-linux-gnu.tar.gz | tar -xzf-


      - name: Build with Trunk
        run: ./trunk build --release


      # Install Spin CLI & Deploy

      - name: Setup Spin
        uses: fermyon/actions/spin/setup@v1
        # with:
          # plugins:


      - name: Build and preview
        id: preview
        uses: fermyon/actions/spin/preview@v1
        with:
          fermyon_token: ${{ secrets.FERMYON_CLOUD_TOKEN }}
          github_token: ${{ secrets.GITHUB_TOKEN }}
          undeploy: ${{ github.event.pull_request && github.event.action == 'closed' }}


      - name: Display Deployed URL
        run: |
          echo "Deployed app URL: ${{ steps.preview.outputs.app-url }}" >> $GITHUB_STEP_SUMMARY