chore: add pnpm workspace configuration for apps and packages

.devcontainer/docker-compose.yml

@@ -0,0 +1,47 @@
+services:
+  app:
+    build:
+      context: ..
+      dockerfile: .devcontainer/Dockerfile
+    volumes:
+      - ..:/workspace:cached
+      - /var/run/docker.sock:/var/run/docker.sock
+    command: sleep infinity
+    environment:
+      - DATABASE_URL=postgresql://postgres:postgres@db:5432/dreamchat
+      - REDIS_URL=redis://redis:6379
+      # Keycloak is external - configure KEYCLOAK_URL in apps/backend/.env
+    depends_on:
+      - db
+      - redis
+    networks:
+      - dreamchat-network
+
+  db:
+    image: ankane/pgvector:latest
+    restart: unless-stopped
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+      POSTGRES_DB: dreamchat
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+    ports:
+      - "5432:5432"
+    networks:
+      - dreamchat-network
+
+  redis:
+    image: redis:7-alpine
+    restart: unless-stopped
+    ports:
+      - "6379:6379"
+    networks:
+      - dreamchat-network
+
+volumes:
+  postgres-data:
+
+networks:
+  dreamchat-network:
+    driver: bridge