GitHub Container Registry vs Fly Machines
A detailed comparison to help you choose between GitHub Container Registry and Fly Machines.
Quick Verdict
4.0/5
GitHub Container Registry
152 reviews
4.8/5
Fly Machines
336 reviews
Fly Machines is rated higher (4.8 vs 4.0). GitHub Container Registry (ghcr.io) stores Docker images alongside your GitHub repositories. Free for public images, included in GitHub plans for private. Integrates with GitHub Actions for CI/CD. Fly Machines are Fly.io's fast-starting virtual machines for containerised workloads. Start in 300ms, stop when idle to save costs. Used for auto-scaling web services and ephemeral compute.
GitHub Container Registry Container registry integrated with GitHub Actions | Fly Machines Fast-starting VMs for containerised apps at the edge | |
|---|---|---|
| Overview | ||
| Rating | 4.0 (152 reviews) | 4.8 (336 reviews)✓ |
| Pricing model | freemium | freemium |
| Starting price | Free tier available | Free tier available |
| Best for | GitHub users who want container images stored alongside their code in the same GitHub account | Developers who want fast-starting containers that scale to zero between requests at the edge |
| Tags | ||
| Tags | free tierapi access | free tiermanaged optioneu datacenterus datacenterapac datacenter |
| Visit GitHub Container Registry → | Visit Fly Machines → | |
GitHub Container Registry
Pros
- + Free for public repositories
- + Deep GitHub Actions integration
- + Part of existing GitHub account
Cons
- - Private image storage counted against GitHub plan storage
- - Less flexible than dedicated registry
Fly Machines
Pros
- + 300ms start time
- + Stop when idle — no idle charges
- + Edge locations globally
Cons
- - Fly.io dependency
- - CLI-focused — less visual management
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