chore: docker compose template for homeserver deployment

.env.compose

@@ -0,0 +1,14 @@
+# Copy this file and fill in your values before deploying:
+#   cp .env.compose .env.compose.local
+#
+# Then run:
+#   docker compose --env-file .env.compose.local up -d --build
+
+# URL your browser (and the SSR server) uses to reach the API.
+# LAN example:      http://192.168.1.100:8000
+# Reverse proxy:    https://pocketchords.yourdomain.com/api
+VITE_API_URL=http://localhost:8000
+
+# Host ports (change if something else is already using them)
+API_PORT=8000
+APP_PORT=3000