Deploy a Docker Container Without DevOps
Docker containers are everywhere. But deploying one usually means learning Kubernetes, writing YAML files, and fighting with cloud consoles. It doesn't have to be this way.
Docker Is Powerful. Deploying Docker Is Painful.
If you've heard of Docker containers, you probably know they're the standard way software gets packaged and deployed in 2026. Every major company uses them. Every cloud platform supports them.
But there's a gap between "I have a Docker image" and "it's running on the internet." That gap is usually filled with:
The traditional Docker deployment path:
That's a lot of steps just to get a container running on the internet. And every step requires knowledge that takes months to build. You need to understand networking, security, DNS, certificates, registries, and at least one cloud provider's console.
The One-Step Alternative
What if deploying a Docker container was as simple as telling someone what image you want to run?
{
"docker_image": "nginx:alpine",
"subdomain": "my-site"
}That's a real deployment. That JSON creates a running container at my-site.dartup.dev with HTTPS, health checks, and auto-restart. No registry push. No YAML. No load balancer configuration.
Three Ways to Deploy Docker Containers on DartUp
1. Deploy a pre-built Docker image
Any public Docker Hub image. Nginx, Redis, Postgres, or your company's custom image. Just specify the image name.
{
"docker_image": "reacherhq/backend:latest",
"subdomain": "email-verify",
"env": { "PORT": "80" }
}2. Deploy from source code (auto-Dockerized)
Point DartUp at a GitHub repo. It detects the language, generates a Dockerfile, builds the image, and deploys it. You never touch Docker.
{
"github_url": "https://github.com/user/my-python-app",
"subdomain": "my-app"
}3. Deploy with an existing Dockerfile
If your project already has a Dockerfile, DartUp uses it directly. It validates it for security and builds it in an isolated environment.
{
"github_url": "https://github.com/user/custom-app",
"subdomain": "custom"
}
// DartUp detects your Dockerfile and uses itWhat You Don't Need to Know
Here's everything DartUp handles automatically:
- Container registry — images are built and stored in DartUp's private registry
- SSL/TLS certificates — automatic HTTPS via Let's Encrypt
- Load balancing — Traefik handles routing and health checks
- Networking — containers are isolated with proper security groups
- DNS — your subdomain is configured instantly
- Health monitoring — unhealthy containers are automatically restarted
- Resource limits — containers get 512MB RAM and 0.5 CPU by default
- Security scanning — code is scanned for vulnerabilities before building
Real Examples
Run a Postgres database
"docker_image": "postgres:16-alpine" — live database in 30 seconds
Host a static website with Nginx
"docker_image": "nginx:alpine" — blazing fast static hosting
Deploy a Python API
Point at your GitHub repo — DartUp detects Python, generates a Dockerfile with gunicorn, deploys it
Run an email verification service
"docker_image": "reacherhq/backend:latest" — deploy any Docker Hub image
When You Need More Than DartUp
DartUp is designed for simplicity. If you need any of the following, a full cloud platform (AWS, GCP) or a platform like Railway is a better fit:
- Multi-container orchestration — Kubernetes-style service meshes
- Custom networking — VPCs, private subnets, VPN tunnels
- Auto-scaling — scaling from 1 to 100 containers based on load
- Compliance — HIPAA, SOC2, FedRAMP certified infrastructure
- GPUs — ML inference or training workloads
But for the vast majority of Docker containers that just need to run on the internet with a URL, DartUp gets you there in seconds instead of hours.
Deploy your first container
Free tier. Any Docker image. Live URL in under a minute.