initial commit

Caddyfile

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+# ----------------------------------------------------------------------------
+# jb-website — Caddy site config.
+#
+# Routing model (see docs/planning.md §6.2):
+#   joshbairstow.com           -> /srv/*           (apex / home)
+#   blog.joshbairstow.com      -> /srv/blog/*      (writing archive + posts)
+#   art.joshbairstow.com       -> /srv/art/*       (generative art focus view)
+#   code.joshbairstow.com      -> /srv/code/*      (experiments & tools)
+#
+# Each block points at the same /srv directory but uses `root` with the path
+# prefix appropriate to the subdomain. Caddy handles HTTPS via the automatic
+# ACME / Let's Encrypt flow at the email address below.
+#
+# Local dev: see the `localhost` block at the bottom — Caddy listens on :8080
+# with no TLS so `docker compose up` works out of the box on a laptop.
+# ----------------------------------------------------------------------------
+
+{
+	# Replace with the address you want ACME-challenge contact / cert-expiry mail at.
+	email josh@joshbairstow.com
+}
+
+# ---- apex ------------------------------------------------------------------
+joshbairstow.com, www.joshbairstow.com {
+	root * /srv
+	encode zstd gzip
+	file_server
+	try_files {path} {path}/index.html /404.html
+
+	@www host www.joshbairstow.com
+	redir @www https://joshbairstow.com{uri} permanent
+}
+
+# ---- blog ------------------------------------------------------------------
+blog.joshbairstow.com {
+	root * /srv/blog
+	encode zstd gzip
+	# Assets and the canvas-island JS live at /_astro and /assets on the apex build.
+	# Re-route them from the subdomain root by falling through to the parent /srv.
+	@asset path /_astro/* /assets/*
+	handle @asset {
+		root * /srv
+		file_server
+	}
+	handle {
+		file_server
+		try_files {path} {path}/index.html /srv/404.html
+	}
+}
+
+# ---- art -------------------------------------------------------------------
+art.joshbairstow.com {
+	root * /srv/art
+	encode zstd gzip
+	@asset path /_astro/* /assets/*
+	handle @asset {
+		root * /srv
+		file_server
+	}
+	handle {
+		file_server
+		try_files {path} {path}/index.html /srv/404.html
+	}
+}
+
+# ---- code ------------------------------------------------------------------
+code.joshbairstow.com {
+	root * /srv/code
+	encode zstd gzip
+	@asset path /_astro/* /assets/*
+	handle @asset {
+		root * /srv
+		file_server
+	}
+	handle {
+		file_server
+		try_files {path} {path}/index.html /srv/404.html
+	}
+}
+
+# ---- local dev (no TLS) ----------------------------------------------------
+# Hit http://localhost:8080 to preview the built apex; the subdomain rewrites
+# above only fire when accessed by their real hostnames.
+:8080 {
+	root * /srv
+	encode zstd gzip
+	file_server
+	try_files {path} {path}/index.html /404.html
+}