refactor: split Caddyfile into per-host configs with shared snippets

Structure:
  shared/authentik  - forward-auth proxy + authentik snippet (both hosts)
  hosts/hubris/      - git, mcp, oikos, paperless, cloud, photos, etc.
  hosts/strong/      - media, books, roms, jellyseerr, qbit, sab, matrix, etc.

Each host imports /etc/caddy/shared/* at the top of its Caddyfile.
Systemd overrides point to hosts/<hostname>/Caddyfile.

Deploy workflow: git push → webhook → caddy reload

caddy.env.example

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+IONOS_AUTH_API_TOKEN=your_token_here

hosts/hubris/Caddyfile

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+import /etc/caddy/shared/*
+
+git.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	handle_path /_plantuml/* {
+		rewrite * /plantuml{uri}
+		reverse_proxy 192.168.8.205:8079
+	}
+	handle {
+		reverse_proxy 192.168.8.121:3000
+	}
+}
+
+paperless.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	@api path /api/*
+	handle @api {
+		reverse_proxy 192.168.8.130:8000
+	}
+	handle {
+		import authentik
+		reverse_proxy 192.168.8.130:8000
+	}
+}
+
+
+pascal.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	reverse_proxy 192.168.8.100:3001
+}
+
+home.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	reverse_proxy 192.168.8.101:8123
+}
+
+cloud.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	reverse_proxy 192.168.8.224:80
+}
+
+
+proxmox.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	reverse_proxy https://192.168.8.77:8006 {
+		transport http {
+			tls_insecure_skip_verify
+		}
+	}
+}
+
+docker.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	reverse_proxy https://192.168.8.205:9443 {
+		transport http {
+			tls_insecure_skip_verify
+		}
+	}
+}
+
+
+
+
+blog.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	reverse_proxy 192.168.8.205:8080
+}
+
+photos.hubris.network {
+	# Mulimage 2.0 — PhotoPrism + Go sidecar + SvelteKit (LXC 120)
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	encode zstd gzip
+	# PhotoPrism API + static assets + share links
+	@pp path /api/v1/* /api/v1 /static/* /share/*
+	reverse_proxy @pp 192.168.8.136:2342
+	# OIDC hand-off: PhotoPrism redirects to /library/login after SSO;
+	# bounce back to / so the SvelteKit SPA picks up the session.
+	redir /library / 302
+	redir /library/* / 302
+	# Go sidecar — marks, folder mutations, duplicates, heap convert
+	@sc path /api/sidecar/*
+	reverse_proxy @sc 192.168.8.136:8000
+	# SvelteKit frontend (catch-all)
+	reverse_proxy 192.168.8.136:3000
+}
+
+prism.hubris.network {
+	# PhotoPrism — direct access for Prismatic mobile client (LXC 120)
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	encode zstd gzip
+	reverse_proxy 192.168.8.136:2342
+}
+
+auth.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	reverse_proxy https://auth.hubris.network:443 {
+		transport http {
+			tls_server_name auth.hubris.network
+		}
+		header_up Host auth.hubris.network
+	}
+}
+
+artifacto.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	# Public paths: share URLs, static assets, health — no SSO
+	@public path /p/* /static/* /healthz
+	handle @public {
+		reverse_proxy 192.168.8.205:3100
+	}
+	# Admin + login surface: Authentik forward-auth + shared-secret header
+	# so the app can auto-login an Authentik-authenticated user.
+	handle {
+		import authentik
+		reverse_proxy 192.168.8.205:3100 {
+			header_up X-Artifacto-Gateway {env.ARTIFACTO_GATEWAY_SECRET}
+		}
+	}
+}
+
+plato.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	reverse_proxy 192.168.8.190:8080
+}
+
+zimaos.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	reverse_proxy 192.168.8.195:80
+}
+
+# Homelab MCP server (read-only context + management tools).
+# Mesh+LAN-gated by the service itself + nftables; no SSO so agent clients work.
+sso.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	reverse_proxy https://auth.hubris.network:443 {
+		transport http {
+			tls_server_name auth.hubris.network
+		}
+		header_up Host auth.hubris.network
+	}
+}
+
+
+# Matrix Synapse federation + client API.
+# No authentik gate — Synapse handles its own auth.
+
+
+trmnl.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	reverse_proxy 192.168.8.211:9851
+}
+
+
+teddy.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	reverse_proxy https://192.168.8.150:8443 {
+		transport http {
+			tls_insecure_skip_verify
+		}
+	}
+}
+
+
+# ─── Oikos (Go rewrite, Docker on mac-mini) ───
+# Phase 6 cutover — replaces apps/105 Python MCP + console.
+# /api/v1/clients/enroll bypasses Authentik (IP-gated in the API handler).
+# The SPA is its own container (:8091, compose/web/Dockerfile in the oikos
+# repo) — not served by api itself, which no longer embeds it.
+oikos.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	@enroll path /api/v1/clients/enroll /oidc-callback
+	handle @enroll {
+		reverse_proxy 192.168.178.182:8090
+	}
+	@api path /api/v1/* /mcp /agent/*
+	handle @api {
+		reverse_proxy 192.168.178.182:8090
+	}
+	handle {
+		import authentik
+		reverse_proxy 192.168.178.182:8091
+	}
+}
+
+mcp.hubris.network {
+	reverse_proxy 192.168.178.182:8090
+}
+
+hermes.hubris.network {
+	reverse_proxy 192.168.178.182:8092
+}
+
+tube.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	reverse_proxy 192.168.178.44:8082
+}

hosts/strong/Caddyfile

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+import /etc/caddy/shared/*
+
+media.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	# SSO plugin handles auth via OIDC redirect to Authentik.
+	# No forward-auth gate — Jellyfin login page shows SSO button directly.
+	reverse_proxy 192.168.8.246:8096
+}
+
+books.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	reverse_proxy 192.168.8.247:6060
+}
+
+roms.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	reverse_proxy 192.168.8.249:80
+}
+
+jellyseerr.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	reverse_proxy 192.168.8.245:5056
+}
+
+qbit.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	@api path /api/*
+	handle @api {
+		reverse_proxy 192.168.8.245:8080
+	}
+	handle {
+		import authentik
+		reverse_proxy 192.168.8.245:8080
+	}
+}
+
+sab.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	handle {
+		import authentik
+		reverse_proxy 192.168.8.245:8082
+	}
+}
+
+matrix.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	reverse_proxy 192.168.8.242:8008
+}
+
+element.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	reverse_proxy 192.168.8.242:8080
+}
+
+house.hubris.network {
+tls {
+dns ionos {env.IONOS_AUTH_API_TOKEN}
+}
+reverse_proxy 192.168.8.244:3000
+}
+
+seanime.hubris.network {
+	tls {
+		dns ionos {env.IONOS_AUTH_API_TOKEN}
+	}
+	reverse_proxy 192.168.8.248:43211
+}

shared/authentik

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+# Internal forward-auth upstream proxy (no TLS between Caddy handlers)
+:8099 {
+	@outpost path /outpost.goauthentik.io/*
+	reverse_proxy @outpost https://auth.hubris.network:443 {
+		transport http {
+			tls_server_name auth.hubris.network
+		}
+		header_up Host auth.hubris.network
+	}
+}
+
+# Authentik forward-auth snippet (domain-level mode).
+# Usage: add "import authentik" inside any site block to gate it.
+(authentik) {
+	route {
+		reverse_proxy /outpost.goauthentik.io/* https://auth.hubris.network:443
+		forward_auth http://127.0.0.1:8099 {
+			uri /outpost.goauthentik.io/auth/caddy
+			copy_headers X-Authentik-Username X-Authentik-Groups X-Authentik-Email X-Authentik-Name X-Authentik-Uid X-Authentik-Jwt X-Authentik-Meta-Jwks X-Authentik-Meta-Outpost X-Authentik-Meta-Provider X-Authentik-Meta-App X-Authentik-Meta-Version
+			trusted_proxies private_ranges
+			header_up X-Forwarded-Host {host}
+			header_up X-Forwarded-Proto {scheme}
+			header_up X-Forwarded-Uri {uri}
+		}
+	}
+}
+
+# Unless the file starts with a global options block, the first
+# uncommented line is always the address of your site.
+#
+# To use your own domain name (with automatic HTTPS), first make
+# sure your domain's A/AAAA DNS records are properly pointed to
+# this machine's public IP, then replace ":80" below with your
+# domain name.