Spring Boot Tutorial 0/110 lessons ~6 min read Lesson 80“Production-grade backends”

GitHub Actions

GitHub Actions is the default CI for most Spring Boot teams in 2026: free for public repos, native to GitHub, huge action marketplace.

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Focus

2 guided sections

Practice signal

Examples included

Career prep

Foundation builder

Introduction

GitHub Actions is the default CI for most Spring Boot teams in 2026: free for public repos, native to GitHub, huge action marketplace.

Informative example

bash

# .github/workflows/ci.yml
name: CI
on:
  push: { branches: [main] }
  pull_request:
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-java@v4
        with: { distribution: temurin, java-version: 21, cache: maven }
      - run: ./mvnw -B verify
      - uses: docker/login-action@v3
        if: github.ref == 'refs/heads/main'
        with: { registry: ghcr.io, username: ${{ github.actor }}, password: ${{ secrets.GITHUB_TOKEN }} }
      - if: github.ref == 'refs/heads/main'
        run: ./mvnw -B spring-boot:build-image -Dspring-boot.build-image.imageName=ghcr.io/${{ github.repository }}:${{ github.sha }} -Dspring-boot.build-image.publish=true

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