How to build docker image in github actions

github-actions-docker.yaml

name: Build and Deploy
on:
  push:
    branches:
      - master
jobs:
  migrate:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Migrate the database
        run: |
          curl -fsSL -o ./dbmate https://github.com/amacneil/dbmate/releases/download/v2.19.0/dbmate-linux-amd64
          chmod +x ./dbmate
          realpath ./dbmate
          ./dbmate --wait -u ${{ secrets.DATABASE_URL }} -d ./infra/database/migrations -s ./infra/database/schema.sql up
  build_and_deploy:
    runs-on: ubuntu-latest
    needs: migrate
    steps:
      - uses: actions/checkout@v4
      - name: Build and push the image
        run: |
          docker login --username tfkhdyt --password ${{ secrets.GH_PAT }} ghcr.io
          docker build -t ghcr.io/netovas-projects/crm-netovas-backoff:latest .
          docker push ghcr.io/netovas-projects/crm-netovas-backoff:latest
  clean:
    runs-on: ubuntu-latest
    name: Delete old images
    needs: build_and_deploy
    steps:
      - uses: snok/[email protected]
        with:
          account: netovas-projects
          token: ${{ secrets.GH_PAT }}
          image-names: "crm-netovas-backoff"
          cut-off: 2w
          keep-n-most-recent: 5