feat: add Docker Compose deployments for SeaweedFS, Ceph, and RustFS

deployments/ceph/docker-compose.yml

@@ -0,0 +1,32 @@
+# ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+# 🚀 BUILT & MAINTAINED BY THE ALTSTACK
+# 🌍 https://thealtstack.com
+# 💡 Open-source deployment templates for modern self-hosting.
+# ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+
+# Ceph (Demo): Enterprise-grade unified storage for block, object, and file.
+# Running in demo mode for quick-start evaluation.
+
+version: '3.8'
+
+services:
+  ceph:
+    image: quay.io/ceph/ceph:v18
+    container_name: ceph_demo
+    privileged: true
+    restart: unless-stopped
+    ports:
+      - "5000:5000" # Dashboard
+      - "8000:8000" # RGW (Object Storage)
+    environment:
+      - MON_IP=127.0.0.1
+      - CEPH_PUBLIC_NETWORK=0.0.0.0/0
+      - DEMO_DAEMONS=all
+      - CEPH_DAEMON=demo
+    volumes:
+      - ceph_data:/var/lib/ceph
+      - ceph_config:/etc/ceph
+
+volumes:
+  ceph_data:
+  ceph_config: