implemenation on the bot

docker-compose.yml

@@ -0,0 +1,47 @@
+# Local-only stack for the Doormile AI retrieval sidecar.
+#
+# This is DEV TOOLING. The production image is still the static nginx build in
+# Dockerfile — nothing here is deployed, and the console works with this stack
+# absent (the bot falls back to its deterministic matcher when REACT_APP_AI_URL
+# is unset or unreachable).
+#
+#   docker compose up -d          start Chroma + the sidecar
+#   npm --prefix services/ai run seed    build the collections
+#
+services:
+  chroma:
+    image: chromadb/chroma:latest
+    container_name: doormile-chroma
+    ports:
+      - '8000:8000'
+    volumes:
+      # Bind-mounted so embeddings survive a container rebuild. Gitignored.
+      - ./.chroma:/chroma/chroma
+    environment:
+      - IS_PERSISTENT=TRUE
+      - ANONYMIZED_TELEMETRY=FALSE
+    healthcheck:
+      test: ['CMD', 'curl', '-f', 'http://localhost:8000/api/v2/heartbeat']
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+  ai-sidecar:
+    image: node:20
+    container_name: doormile-ai
+    working_dir: /app
+    command: sh -c "npm install --no-audit --no-fund && node index.js"
+    ports:
+      - '8787:8787'
+    volumes:
+      - ./services/ai:/app
+      # The MiniLM weights (~25MB) are downloaded once and cached here rather
+      # than re-fetched on every container start.
+      - ./.cache/transformers:/app/.cache
+    environment:
+      - CHROMA_URL=http://chroma:8000
+      - PORT=8787
+      - TRANSFORMERS_CACHE=/app/.cache
+    depends_on:
+      chroma:
+        condition: service_healthy