build-docker-image.yml

name: build-docker-image
on:
  workflow_dispatch:
  workflow_call:
  push:
    paths:
      - 'requirements.txt'
      - 'app/**'
      - 'dockerfile'
      - '.dockerignore'
    branches:
      - '!*'
      - 'develop'
      - 'main'

env:
  BOT_USER_NAME: ${{ secrets.BOT_USER_NAME }}
  DOCKER_PAT: ${{ secrets.DOCKER_PAT }}

jobs:
  build:
    runs-on: ubuntu-20.04
    timeout-minutes: 10

    steps:
      - run: echo "🎉 The job was automatically triggered by a ${{ github.event_name }} event."
      - uses: styfle/cancel-workflow-action@0.11.0
        with:
          workflow_id: build-docker-image.yml
          access_token: ${{ github.token }}

      - uses: actions/checkout@v3
        with:
          fetch-depth: 10
          persist-credentials: false

      - name: Git repository Setup
        run: |
          GIT_BRANCH=${{ github.ref }}
          echo "REPOSITORY_NAME=$(echo "$GITHUB_REPOSITORY" | awk -F / '{print $2}')" >> $GITHUB_ENV
          echo "GIT_BRANCH=$(echo "${GIT_BRANCH/refs\/heads\//}")" >> $GITHUB_ENV
          echo "COMMIT_DATE=$(git log -n 1 --pretty='format:%cd' --date=format:'%y-%m-%d')" >> $GITHUB_ENV
          echo "COMMIT_TIME=$(git log -n 1 --pretty='format:%cd' --date=format:'%H-%M-%S')" >> $GITHUB_ENV
          echo "CURRENT_DATETIME=$(date +'%Y-%m-%d %H:%M:%S')" >> $GITHUB_ENV
          echo "GH_SHA_SHORT=$(echo $GITHUB_SHA | cut -c 1-7)" >> $GITHUB_ENV
          git config --global user.name "$BOT_USER_NAME"

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

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

      - name: Login to DockerHub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.BOT_USER_NAME }} # TODO: REPLACE THIS BY THE REAL BOT NAME
          password: ${{ secrets.DOCKER_PAT }}

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: |
            mendesbarreto/${{ env.REPOSITORY_NAME }}
          tags: |
            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'main') }}
            type=raw,value=dev,enable=${{ github.ref == format('refs/heads/{0}', 'develop') }}
            type=raw,value=${{ env.GIT_BRANCH }}-${{ env.COMMIT_DATE }}-${{ env.COMMIT_TIME }}-${{ env.GH_SHA_SHORT }}

      - name: Build and push
        uses: docker/build-push-action@v3
        timeout-minutes: 15
        with:
          context: .
          network: host
          build-args: |
            GH_PAT=${{ secrets.GH_PAT }}
            BUILD_NR=${{ env.GIT_BRANCH }}-${{ env.GH_SHA_SHORT }}
            BUILD_BRANCH=${{ env.GIT_BRANCH }}
            BUILD_COMMIT=${{ env.GH_SHA_SHORT }}
            COMMIT_DATE=${{ env.COMMIT_DATE }}
            BUILD_DATE=${{ env.CURRENT_DATETIME }}

          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max

        # Temp fix
        # https://github.com/docker/build-push-action/issues/252
        # https://github.com/moby/buildkit/issues/1896
      - name: Move cache
        run: |
          rm -rf /tmp/.buildx-cache
          mv /tmp/.buildx-cache-new /tmp/.buildx-cache

      - name: Job Summary
        run: |
          echo "Docker Image Tag: $GIT_BRANCH-$COMMIT_DATE-$COMMIT_TIME-$GH_SHA_SHORT" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "- Branch: $GIT_BRANCH" >> $GITHUB_STEP_SUMMARY
          echo "- Commit Date: $COMMIT_DATE" >> $GITHUB_STEP_SUMMARY
          echo "- Commit Time: $COMMIT_TIME" >> $GITHUB_STEP_SUMMARY
          echo "- Commit SHA: $GH_SHA_SHORT" >> $GITHUB_STEP_SUMMARY