Initial commit: Docusaurus docker stack and docs

.env

@@ -0,0 +1,12 @@
+# Container name — this is the DNS name Nginx Proxy Manager forwards to on
+# the "proxy" network (Forward Hostname/IP: docusaurus-docs, Port: 3000).
+CONTAINER_NAME=docusaurus-docs
+
+# Port Docusaurus serves on inside the container.
+PORT=3000
+
+# Production URL of the docs site. Update this once you've picked the
+# subdomain, then run `docker compose up -d --build` to rebuild with it —
+# Docusaurus bakes the URL into the built site (canonical links, sitemap,
+# social card meta tags), it isn't read at request time.
+SITE_URL=https://docs.dotjuice.co.uk