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24 lines
968 B
Markdown
24 lines
968 B
Markdown
---
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sidebar_label: Overview
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---
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# Ingress & HTTPS
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Uncloud uses [Caddy](https://caddyserver.com/) as its reverse proxy to handle incoming traffic, provide automatic HTTPS
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with [Let's Encrypt](https://letsencrypt.org/), and route requests to your services.
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## How it works
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Caddy runs as a global service `caddy` on every machine in your cluster, listening on the host ports 80 (HTTP) and 443
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(HTTPS).
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It's deployed during cluster initialisation (`uc machine init`) unless you use the `--no-caddy` flag.
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See [Managing Caddy](3-managing-caddy.md) for deployment and customisation instructions.
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When you [publish a service port](2-publishing-services.md), Uncloud automatically configures Caddy to:
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1. Listen for requests on the specified hostname (domain name).
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2. Automatically obtain and renew a TLS certificate from Let's Encrypt for HTTPS.
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3. Route traffic to the **healthy** service container(s).
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4. Load balance across healthy replicas if there are multiple.
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