Why your Spring Boot app will not run on shared hosting
If you are searching for the best hosting for java spring boot apps, here is the single most important thing to know: Spring Boot runs as a persistent Java process, and shared hosting is built for PHP scripts that start and stop with each request. There is no JVM on a shared plan, no way to keep a long-running process alive, and no root access to install one. That rules out every shared plan from every mainstream host, not just Hostinger (checked 14 Oct 2026). What you need instead is a virtual private server (VPS) with full root access, where you install the Java runtime yourself and run your application as a service. This is not a Hostinger limitation. It is how the Java ecosystem works, and any guide that points a Spring Boot developer at shared hosting is wasting your time.
What a Spring Boot app actually needs from a server
A Spring Boot application is a self-contained JAR with an embedded web server, usually Tomcat or Netty. To host it you need:
- A Linux server with root access and a Java runtime (Java 17 or 21 for current Spring Boot releases)
- Enough RAM for the JVM heap plus the operating system. Budget at least 2 GB of heap for a small app, more once traffic grows
- A reverse proxy such as Nginx in front of the app for SSL termination
- A process manager (systemd is the standard) so the app restarts if it crashes or the server reboots
- A database, either on the same server for small projects or a managed database for anything serious
None of this exists on shared hosting. A VPS gives you all of it, and you stay in control of Java versions, environment variables, and deployment scripts (checked 14 Oct 2026).
Hostinger VPS: the practical home for Spring Boot
Hostinger VPS plans run from KVM 1 (1 vCPU, 4 GB RAM, 50 GB NVMe) up to KVM 4 (4 vCPU, 16 GB RAM, 200 GB NVMe) and beyond, all with full root access and a choice of Linux distributions. For a small Spring Boot service, KVM 2 (2 vCPU, 8 GB RAM) is the sensible starting point: enough headroom for the JVM, a database on the same box, and Nginx. The VPS is unmanaged, which means you handle the OS, the Java installation, and security patching yourself. That is standard for this kind of hosting. Weekly automated backups are included, and you can take manual snapshots before big deploys. For plan details see our Hostinger VPS overview and current pricing (checked 14 Oct 2026).
Best hosting for Java Spring Boot: the honest shortlist
For the best hosting for java spring boot in 2026, the realistic options fall into two camps. Self-managed VPS: Hostinger KVM 2 for small services and internal tools, KVM 4 for production workloads with real traffic. You get root access, predictable resources, and full control of the Java version. Platform-as-a-service: Render, Railway, or AWS Elastic Beanstalk, which handle the JVM, scaling, and deployments for you at a higher monthly cost and with less control. Choose the VPS when you are comfortable with Linux and want the lowest cost per unit of compute. Choose a PaaS when you want to push code and never think about servers. There is no third option. Shared hosting cannot run Spring Boot, full stop.
When Hostinger is the wrong choice
Pick a platform-as-a-service instead of Hostinger VPS when your team has nobody comfortable managing Linux. An unmanaged VPS means you own OS updates, firewall rules, Java upgrades, and late-night restarts. If that sounds miserable, Render or Railway will run your Spring Boot JAR from a Git push with zero server work, and that convenience is worth the premium. Also look elsewhere if you need autoscaling across regions or managed compliance certifications. At that point you are in AWS or Google Cloud territory. Hostinger is the right call when you want cheap, predictable compute and you (or someone on your team) can run a Linux box. Be honest about which camp you are in before you commit (checked 14 Oct 2026).
Renewal reality: what the second year costs
Hostinger VPS intro pricing is aggressive, and renewals run roughly 1.7 to 2.2 times the promo rate (Gizmodo 2026). Budget for the renewal number from day one, not the intro number. A Spring Boot app tends to live on its server for years, so the long-term price is the real price. The 30-day money-back guarantee covers the VPS plans, which gives you a risk-free window to confirm your app runs well. Compare the renewal cost against a PaaS over 12 months before deciding. The VPS usually still wins on raw compute per dollar, but only if you value your own sysadmin time at zero (checked 14 Oct 2026).
Who this setup is for
This page is for Java developers shipping Spring Boot services: REST APIs, internal tools, microservices, or side projects. People who need a real server and know (or want to learn) basic Linux administration. If you are a student deploying a course project, KVM 1 is enough to get started. If you are running a production API with paying users, start at KVM 2 and monitor memory. The JVM will tell you quickly if it needs more heap. If you have never touched a terminal, start with a PaaS instead and revisit the VPS once the project earns its keep. Either way, do not try to squeeze Spring Boot onto shared hosting. It will not work, and no amount of configuration changes that (checked 14 Oct 2026).
If you also run Python services, see Python app hosting.| Option | Best for | Management | Scaling |
|---|---|---|---|
| Hostinger KVM 2 | Small services, side projects | Unmanaged, you run Linux | Manual plan upgrades |
| Hostinger KVM 4 | Production APIs with real traffic | Unmanaged, you run Linux | Manual plan upgrades |
| Render / Railway | Teams with no sysadmin | Fully managed PaaS | Automatic |
| AWS Elastic Beanstalk | Enterprise, compliance needs | Managed, AWS complexity | Autoscaling |
VPS KVM 2
24-month plan, paid upfront
Renews at $14.99/mo
- 2 vCPU + 8 GB RAM
- 100 GB NVMe storage
- 8 TB bandwidth
- Full root access
- n8n one-click template available
FAQ
No. Spring Boot runs as a persistent Java process, and shared hosting has no JVM, no long-running processes, and no root access. This is true of every shared host, not just Hostinger. You need a VPS with root access (Hostinger KVM 1 and up) or a Java-friendly platform-as-a-service such as Render, Railway, or AWS Elastic Beanstalk (checked 14 Oct 2026).
Budget at least 2 GB of JVM heap for a small service, plus 1-2 GB for the operating system, Nginx, and a database if it shares the box. That makes 4 GB of server RAM the practical minimum, which is exactly what Hostinger KVM 1 ships with. For production traffic, start at 8 GB (KVM 2) and size the heap with monitoring rather than guesses (checked 14 Oct 2026).
No. Hostinger VPS plans are unmanaged, so you install the Java runtime yourself with your distribution package manager, typically in one command. This is normal for VPS hosting and gives you control over the exact Java version. If you want Java ready out of the box with zero setup, a platform-as-a-service detects your Spring Boot project and provisions the runtime automatically (checked 14 Oct 2026).
KVM 1 (1 vCPU, 4 GB RAM) is fine for learning, staging, and very light internal tools. KVM 2 (2 vCPU, 8 GB RAM) is the safer default for anything facing real users, because the JVM, a database, and the OS share that memory. If the app grows, you can resize to KVM 4. Start small, watch memory usage for a week, then decide (checked 14 Oct 2026).
It depends on who manages the server. A PaaS like Render or Railway deploys from a Git push, handles the JVM, SSL, and scaling, and costs more per unit of compute. A Hostinger VPS costs less and gives full control, but you own updates, security, and restarts. Developers comfortable with Linux usually pick the VPS. Teams that want to ship code and forget servers pick the PaaS (checked 14 Oct 2026).
Not necessarily. Small projects commonly run PostgreSQL or MySQL on the same VPS as the app, which keeps things simple and cheap. As you grow, move the database to a managed service so a database crash cannot take the app down with it and backups are handled for you. Either way, keep automated backups: Hostinger includes weekly VPS backups, and you should add your own database dumps on top (checked 14 Oct 2026).