Deploy Spring Boot Apps in FREE

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🔥 REPLIT DEPLOYMENT

Go to replit.com
Click "Create Repl"
Choose "Java" template
Name it "spring-boot-app"
Replace Main.java with Spring Boot code
Update pom.xml with Spring Boot dependencies
Click "Run" button
Your app is live at: yourname.repl.co

🚀 RAILWAY DEPLOYMENT

Go to railway.app
Sign up with GitHub
Click "New Project"
Select "Deploy from GitHub repo"
Choose your Spring Boot repository
Railway auto-detects Java and builds
Click on generated URL to view app
Optional: Add custom domain in settings

Free Tier: $5 credit monthly, then $5/month
Best For: Production apps, automatic deployments

💡 RENDER DEPLOYMENT

Go to render.com
Sign up with GitHub/GitLab
Click "New Web Service"
Connect your Spring Boot repository
Set build command: ./mvnw clean package
Set start command: java -jar target/*.jar
Choose "Free" plan
Click "Create Web Service"
Wait for build and deployment

Free Tier: 750 hours/month, custom domains
Best For: Side projects, small applications

🏢 HEROKU DEPLOYMENT

Go to heroku.com
Create account and verify email
Install Heroku CLI
Run heroku login in terminal
In your project: git init (if not done)
Run heroku create your-app-name
Add Procfile: web: java -jar target/*.jar
Run git add . && git commit -m "Deploy"
Run git push heroku main
Run heroku open to view app