How to deploy docker containers to shared hosting
Stefan Bogdanescu
Founder & Senior Architect · 2026-06-29
# How to Deploy Docker Containers to Shared Hosting: Bridging the Gap Between Containers and WHM
As a developer, leveraging Docker for application deployment offers incredible consistency and portability. When you build your Laravel application inside containers—like having separate containers for your PHP application and phpMyAdmin—you've mastered modern DevOps principles. However, moving this powerful setup onto traditional shared hosting environments managed by WHM presents a significant architectural challenge.
The confusion you are experiencing is valid: most tutorials focus on Docker Cloud or VPS deployments because they offer the necessary control over the underlying operating system and networking required for running Docker services effectively. Deploying a full Docker stack directly onto standard shared hosting is often blocked by resource limitations, security restrictions, and the lack of root access needed to manage the Docker daemon.
This post will explore the reality of deploying containerized applications on shared hosting, outline the best practices, and show you how to bridge that gap effectively.
## The Reality Check: Docker vs. Shared Hosting Limitations
Shared hosting environments are designed for simplicity—running a single PHP application on a pre-configured environment. They typically do not provide the necessary permissions or system resources (like direct access to the Docker daemon) required to run complex container orchestration systems like Docker natively within the shared filesystem scope.
Trying to force a full Docker setup onto WHM often results in failures related to permission errors, service startup issues, or instability because the host environment is not designed to manage container lifecycles independently.
## Best Practice: Orchestrate Externally, Deploy Files Locally
The most robust and secure best practice for deploying containerized applications like Laravel is to separate the *build/orchestration* phase from the *deployment* phase.
**Step 1: Local Orchestration (Where Docker Shines)**
You should use your local machine or a dedicated Virtual Private Server (VPS) to build, test, and manage your entire Docker stack. This ensures that every environment is reproducible, which aligns perfectly with modern application development philosophies, similar to the structured approach you see in projects from [laravelcompany.com](https://laravelcompany.com).
**Step 2: Artifact Preparation (The Bridge)**
Once your containers are running locally and successfully generating your Laravel application files, the goal is to extract *only* the necessary output—the compiled code, configuration files, and database structure—and transfer them to the shared host via standard methods like SFTP or Git.
**Step 3: Shared Hosting Deployment (The Final Step)**
On your shared hosting account managed by WHM, you treat the Docker setup as a build tool, not the deployment environment. You deploy the resulting static application files, ensuring they adhere to the hosting provider's specific PHP version and file structure requirements.
### Example Workflow: Extracting Files for Shared Hosting
Instead of trying to run `docker-compose up` on WHM, you would follow this sequence:
1. **Local Build:** Run your Docker Compose stack locally to ensure everything works perfectly.
```bash
docker-compose build
docker-compose up -d
# Ensure the application files are correctly generated in a local directory.
```
2. **Volume Mapping/Extraction:** Identify the volume where your final Laravel code and public assets reside within the Docker setup.
3. **Transfer:** Use `tar` or SCP to package these crucial application directories and upload them to your shared hosting's public directory (e.g., `/public_html`).
```bash
# Example of packaging application files locally before deployment
tar -czvf laravel_deployment.tar.gz ./path/to/your/laravel/app/*
scp laravel_deployment.tar.gz user@your-shared-host:/home/user/public_html/
```
## Advanced Consideration: Leveraging SSH and Cron Jobs
If you absolutely must maintain some containerization logic on the shared host (perhaps for managing specific database connections or cron jobs), you can leverage the SSH access provided by WHM. You can set up a custom deployment script that runs via `cron`. This script would handle file synchronization and potential external commands, effectively acting as a controlled intermediary between your Docker environment and the shared filesystem.
## Conclusion
While deploying full Docker stacks directly onto restrictive shared hosting environments like those managed by WHM is generally impractical, it is not impossible. The best practice shifts from *hosting* the containers to *using* them as a powerful local build system. By focusing on building and testing your Laravel application within Docker locally, you ensure quality and consistency. Then, you focus on securely deploying the resulting, production-ready artifacts—the actual code and assets—to the shared environment. This approach respects the limitations of shared hosting while fully capitalizing on the power of containerization.