Fly Machines vs GitHub Container Registry
A detailed comparison to help you choose between Fly Machines and GitHub Container Registry.
Quick Verdict
4.8/5
Fly Machines
336 reviews
4.0/5
GitHub Container Registry
152 reviews
Fly Machines is rated higher (4.8 vs 4.0). 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 (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 Fast-starting VMs for containerised apps at the edge | GitHub Container Registry Container registry integrated with GitHub Actions | |
|---|---|---|
| Overview | ||
| Rating | 4.8 (336 reviews)✓ | 4.0 (152 reviews) |
| Pricing model | freemium | freemium |
| Starting price | Free tier available | Free tier available |
| Best for | Developers who want fast-starting containers that scale to zero between requests at the edge | GitHub users who want container images stored alongside their code in the same GitHub account |
| Tags | ||
| Tags | free tiermanaged optioneu datacenterus datacenterapac datacenter | free tierapi access |
| Visit Fly Machines → | Visit GitHub Container 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
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
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