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Cloud · head to head

Caddy vs DigitalOcean

Caddy logo

Caddy

Cloud

Web server with automatic HTTPS by default

From
Free
Rated
-
DigitalOcean logo

DigitalOcean

Cloud

The developer cloud

From
Free
Rated
-

The short version

  • Each has a real cost: Caddy smaller ecosystem than Nginx, so third-party guides and modules are fewer; DigitalOcean data transfer overage charged at $0.01 per GiB beyond included allowances
  • They diverge on capability: Caddy covers Automatic HTTPS, DigitalOcean covers Droplets (VPS).

Where they differ

Only the attributes on which Caddy and DigitalOcean actually diverge.

Attributes where Caddy and DigitalOcean differ
AttributeCaddyDigitalOcean
Pricing modelOpen source, no licence feeusage-based
PlatformsLinux, macOS, Windows, DockerLinux, Cloud (AWS, GCP, Azure backend)
FoundedUnknown2011

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Cloud).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Caddy

  • Automatic HTTPS
  • Caddyfile
  • Reverse proxy
  • Single binary

Only in DigitalOcean

  • Droplets (VPS)
  • Managed Kubernetes
  • App Platform
  • Managed Databases
  • Spaces (Object Storage)
  • Floating IPs
  • Load Balancers
  • Firewalls

What people use each for

The jobs each tool is most often brought in to do.

Caddy

  • Sites and services where expired certificates have caused outages beforenot DigitalOcean
  • Small deployments where Nginx configuration is more effort than the problem warrantsnot DigitalOcean
  • Reverse proxying internal services with TLS without a certificate workflownot DigitalOcean

DigitalOcean

  • Developers seeking affordable VPS starting at $4/month for small applicationsnot Caddy
  • Teams deploying containerised workloads with Kubernetes starting at $12/month cluster costnot Caddy
  • Data scientists and ML engineers requiring NVIDIA GPU access at $1.91/GPU/hour (committed)not Caddy

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Caddy

  • Smaller ecosystem than Nginx, so third-party guides and modules are fewer
  • Adding plugins means rebuilding the binary rather than loading a module
  • Under very high throughput Nginx generally still benchmarks ahead
  • Automatic certificate issuance needs outbound internet access, which complicates air-gapped deployments

DigitalOcean

  • Data transfer overage charged at $0.01 per GiB beyond included allowances
  • Free tier includes only 3 static sites; additional static sites require paid upgrade
  • Container registry free tier capped at 500 MiB storage; exceeding requires paid tier
  • Functions free tier allows 90,000 GiB-seconds monthly; overages billed on usage basis
  • GPU Droplets require minimum monthly commitment for lower hourly rates; on-demand significantly more expensive

Pricing, plan by plan

Caddy

Free
  • CaddyFree
    • Full functionality
    • Commercial use permitted
    • Community support

DigitalOcean

Free

No published plan breakdown. See the DigitalOcean review.

Which should you pick?

Choose Caddy if

  • You need automatic https.
  • You want to start without paying.
  • You work on Linux, macOS, Windows, Docker.
  • You also want caddyfile.

Choose DigitalOcean if

  • You need droplets (vps).
  • You want to start without paying.
  • You work on Linux, Cloud (AWS, GCP, Azure backend).
  • You also want managed kubernetes.

Questions people ask

Is Caddy or DigitalOcean better?
Neither clearly leads. Caddy starts at Free and DigitalOcean at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Caddy or DigitalOcean?
Caddy starts at Free and DigitalOcean at Free.
Does Caddy or DigitalOcean run on more platforms?
Caddy runs on Linux, macOS, Windows, Docker. DigitalOcean runs on Linux, Cloud (AWS, GCP, Azure backend).
Can I use Caddy for free?
Both have a free tier, so you can try either at no cost before committing.
What is Caddy best used for?
Caddy is most often used for sites and services where expired certificates have caused outages before, small deployments where nginx configuration is more effort than the problem warrants, reverse proxying internal services with tls without a certificate workflow. Of those, sites and services where expired certificates have caused outages before and small deployments where nginx configuration is more effort than the problem warrants are not what DigitalOcean is typically brought in for.
What can Caddy do that DigitalOcean cannot?
Caddy covers Automatic HTTPS, Caddyfile, Reverse proxy, Single binary. DigitalOcean covers Droplets (VPS), Managed Kubernetes, App Platform, Managed Databases.

Answered from the vendors’ own pages

Caddy: Is Caddy free?

Yes, open source under the Apache 2.0 licence, free for commercial use.

DigitalOcean: How much does a DigitalOcean Droplet cost?

The cheapest Basic Droplet is $4.00 per month, or $0.00595 per hour, and includes 1 vCPU, 512 MiB of memory, 10 GiB of SSD and 500 GiB of transfer. The next step up is $6.00 per month with 1 GiB of memory, 25 GiB of SSD and 1,000 GiB of transfer.

Source
Caddy: What does automatic HTTPS mean?

Caddy obtains certificates from Let’s Encrypt or ZeroSSL on first request and renews them before expiry, with no cron job or configuration.

DigitalOcean: How is DigitalOcean billed?

Droplets are billed hourly as well as monthly, and DigitalOcean states that Bundled Plan and v5 Droplets are billed on a per second basis with a 60 second minimum charge.

Source
Caddy: Caddy or Nginx?

Caddy is dramatically simpler to configure and removes certificate management. Nginx has the larger ecosystem and better peak throughput.

DigitalOcean: What does the cheapest DigitalOcean plan include?

At $4.00 per month you get a single vCPU, 512 MiB of memory, 10 GiB of SSD storage and 500 GiB of outbound transfer. That is the smallest Basic Droplet DigitalOcean sells.

Source
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