build.yml

name: TradingBot CI

on:
  push:
    branches:
      - master # Prevent building other branches to speed up PRs
  pull_request:
    branches:
      - master

env:
  docker-image-name: ilcardella/tradingbot
  push-docker-image: ${{ startsWith(github.ref, 'refs/tags/') || github.ref == 'refs/heads/master' }}

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: ['3.8', '3.9', '3.10', '3.11']
    name: Python ${{ matrix.python-version }}

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}
          architecture: x64

      - name: Pip cache
        uses: actions/cache@v3
        with:
          # This path is specific to Ubuntu
          path: ~/.cache/pip
          # Look to see if there is a cache hit for the corresponding poetry.lock
          key: ${{ runner.os }}-pip-${{ matrix.python-version }}
          restore-keys: |
            ${{ runner.os }}-pip-
            ${{ runner.os }}-

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install poetry

      - name: Poetry cache
        uses: actions/cache@v3
        with:
          path: ~/.cache/pypoetry/virtualenvs
          key: ${{ runner.os }}-poetry-${{ hashFiles('poetry.lock') }}
          restore-keys: |
            ${{ runner.os }}-poetry-

      - name: Run tests
        run: make ci

  docker:
    needs: build
    runs-on: ubuntu-latest
    name: Docker build and push

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Prepare
        id: prepare
        run: |
          DOCKER_IMAGE=${{ env.docker-image-name }}
          VERSION=latest
          PLATFORMS=linux/amd64,linux/arm64
          if [[ $GITHUB_REF == refs/tags/* ]]; then
            VERSION=${GITHUB_REF#refs/tags/v}
          elif [[ $GITHUB_REF != refs/heads/master ]]; then
            VERSION=${GITHUB_REF#refs/heads/}
            VERSION=${VERSION##*/}
          fi
          TAGS="${DOCKER_IMAGE}:${VERSION}"
          if [[ $VERSION =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
            TAGS="$TAGS,${DOCKER_IMAGE}:latest"
          fi

          echo "platforms=${PLATFORMS}" >> $GITHUB_OUTPUT
          echo "tags=${TAGS}" >> $GITHUB_OUTPUT

      - name: Set up QEMU
        uses: docker/setup-qemu-action@master

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@master

      - name: Cache Docker layers
        uses: actions/cache@v3
        id: cache
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-

      - name: Login to DockerHub
        if: ${{ env.push-docker-image }}
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v5
        with:
          context: .
          file: docker/Dockerfile
          platforms: ${{ steps.prepare.outputs.platforms }}
          push: ${{ env.push-docker-image }}
          tags: ${{ steps.prepare.outputs.tags }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache

      - name: Clear
        if: always()
        run: |
          rm -f ${HOME}/.docker/config.json