adopt-tapir-ci.yml

name: Adopt Tapir CI

on:
  pull_request:
  push:
    branches:
      - main
    paths-ignore:
      - "helm/**"
  release:
    types:
      - released
    paths-ignore:
      - "helm/**"

jobs:
  verify_unit_tests_lint:
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false

    steps:
      - name: Check-out repository
        id: repo-checkout
        uses: actions/checkout@v4

      - name: Set up JDK 17 with sbt cache
        uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: 17
          cache: 'sbt'

      - name: Check formatting
        id: check-formatting
        run: sbt scalafmtCheckAll

      - name: Run unit tests & lint
        id: run-unit-tests
        run: sbt test

  verify_integration:
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        scala: [ "Scala2", "Scala3" ]
        json: [ "No", "Circe", "UPickle", "Jsoniter", "ZIOJson", "Pickler" ]
        stack: [ "OxStack", "FutureStack", "IOStack", "ZIOStack" ]
        exclude:
          - scala: "Scala2"
            json: "Pickler"
          - scala: "Scala2"
            stack: "OxStack"
    steps:
      - name: Check-out repository
        id: repo-checkout
        uses: actions/checkout@v4

      - name: Cache scala-cli
        uses: coursier/cache-action@v6

      - name: Set up scala-cli
        uses: VirtusLab/scala-cli-setup@v1
        with:
          jvm: ${{ matrix.stack == 'OxStack' && 'temurin:21' || 'temurin:17' }}

      - name: Cache SBT
        id: cache-sbt
        uses: actions/cache@v4
        with:
          path: |
            ~/.sbt
            ~/.ivy2/cache
            ~/.coursier
          key: ${{ runner.os }}-sbt-${{ hashFiles('**/build.sbt') }}

      - name: Run integration tests for ${{ matrix.stack }}, ${{ matrix.scala }} with ${{ matrix.json }} JSON support
        run: SCALA=${{ matrix.scala }} JSON=${{ matrix.json }} STACK=${{ matrix.stack }} IT_TESTS_THREADS_NO=1 sbt 'ItTest / test'

  verify_docker_image_build:
    if: github.event_name == 'pull_request' && github.ref != 'refs/heads/main'
    needs: [ verify_unit_tests_lint, verify_integration ]
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false

    steps:
      - name: Check-out repository
        id: repo-checkout
        uses: actions/checkout@v4

      - name: Set up JDK 21 with sbt cache
        uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: 21
          cache: 'sbt'

      - name: Build docker image locally
        id: build-docker-image-locally
        run: sbt -Dsbt.task.timings=true docker:publishLocal

  deploy:
    if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main'
    needs: [ verify_unit_tests_lint, verify_integration ]
    runs-on: ubuntu-22.04

    steps:
      - name: Check-out repository
        id: repo-checkout
        uses: actions/checkout@v4

      - name: Set up JDK 21
        id: jdk-setup
        uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: 21
          cache: 'sbt'

      - name: Cache SBT
        id: cache-sbt
        uses: actions/cache@v4
        with:
          path: |
            ~/.sbt
            ~/.ivy2/cache
            ~/.coursier
          key: ${{ runner.os }}-sbt-${{ hashFiles('**/build.sbt') }}

      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Publish docker image
        run: sbt -Dsbt.task.timings=true backend/docker:publish

  # `automerge` label is attached iff there is exactly one file changed by steward and this file belongs to a
  # whitelist specified by `labeler.yml`
  label:
    name: Attach automerge label
    # only for PRs by softwaremill-ci
    if: github.event.pull_request.user.login == 'softwaremill-ci'
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 2
      # count number of files changed
      - name: Count number of files changed
        id: count-changed-files
        run: |
               N=$(git diff --name-only -r HEAD^1 HEAD | wc -w)
               echo "changed_files_num=$N" >> $GITHUB_OUTPUT
      - name: Launch labeler
        # skip if more than one file changed
        if: steps.count-changed-files.outputs.changed_files_num == 1
        uses: srvaroa/labeler@master
        env:
          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

  auto-merge:
    name: Auto merge
    # only for PRs by softwaremill-ci
    if: github.event.pull_request.user.login == 'softwaremill-ci'
    needs: [ verify_unit_tests_lint, verify_integration, verify_docker_image_build, label ]
    runs-on: ubuntu-22.04
    steps:
      - id: automerge
        name: automerge
        uses: "pascalgn/automerge-action@v0.15.6"
        env:
          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
          MERGE_METHOD: "squash"