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25 lines
1 KiB
Markdown
25 lines
1 KiB
Markdown
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title: Welcome
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---
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# Caddy Welcomes You
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Caddy is a powerful, extensible platform to serve your sites, services, and apps, written in Go. Although most people use it as a web server or proxy, it is an excellent choice for a:
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- web server
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- reverse proxy
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- sidecar proxy
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- load balancer
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- API gateway
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- ingress controller
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- system manager
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- process supervisor
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- task scheduler
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- (any long-running process)
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and operates primarily at L4 (transport layer) and L7 (application layer) of the [OSI model](https://en.wikipedia.org/wiki/OSI_model), though it has the ability to work with other layers.
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Configuration is both dynamic and exportable with [Caddy's API](/docs/api). Although no config files required, you can still use them; most people's favorite way of configuring Caddy is using the [Caddyfile](/docs/caddyfile). The format of the config document takes many forms with [config adapters](/docs/config-adapters), but Caddy's native config language is [JSON](/docs/json/).
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Caddy compiles for all major platforms and has no runtime dependencies.
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