Free online visual Docker Compose YAML config builder with 20+ service templates, client-side generation
Starting with Docker Compose V2, the version field is no longer required. This tool omits the version field by default, compatible with the latest Docker Compose specification. Add version: '3.8' manually if you need legacy compatibility.
The left side of the colon is the host port, the right side is the container port. For example, "8080:80" maps host port 8080 to container port 80. Access localhost:8080 to reach the container's port 80 service.
Docker Volumes are managed by Docker and stored in Docker's data directory, ideal for persistent data. Bind mounts directly mount host directories, ideal for development code sync. "host_path:container_path" is bind mount, "volume_name:container_path" is named volume.
Absolutely. All processing happens locally in your browser. No data is sent to any server, so there's zero risk of data leaks. Your information stays completely under your control.
No. Docker Compose Generator is a web-based tool โ just open it in your browser and start using it. No downloads, plugins, or extensions required.
Docker Compose Generator has no usage limits โ it's free and unlimited. Since processing is done client-side, speed depends on your device. For very large files, we recommend processing in batches for the best experience.
Yes, Docker Compose Generator is completely free to use. No registration or login required โ all features are available immediately.