Create docker-compose.yml for ai-portal

Added docker-compose.yml for ai-portal service configuration.

ai-portal/docker-compose.yml

@@ -0,0 +1,26 @@
+# ~/docker/ai-portal/docker-compose.yml
+#
+# Landing page and stack swap controller.
+# This stays running permanently — it is lightweight (no GPU).
+#
+# Start:
+#   cd ~/docker/ai-portal && docker compose up -d
+#
+# Portal → http://192.0.2.1:8080
+# Caddy proxies localai.mydomain.com → here
+
+services:
+
+  portal:
+    build: .
+    ports:
+      - "8080:8080"
+    volumes:
+      # Needs access to Docker socket to start/stop other stacks
+      - /var/run/docker.sock:/var/run/docker.sock
+      # Needs access to the other compose files
+      - /home/user/docker:/docker
+    environment:
+      - IMAGE_STACK=/docker/ai-image-gen
+      - LLM_STACK=/docker/ai-llm
+    restart: unless-stopped