diff --git a/.env.example b/.env.example
index 9bd4a4d..fbf1917 100644
--- a/.env.example
+++ b/.env.example
@@ -1,6 +1,10 @@
 # AI Service Environment Variables
 # Copy this file to .env and modify as needed
 
+# Database Configuration (IMPORTANT: Use strong passwords!)
+DB_USER=postgres
+DB_PASSWORD=your-strong-password-here
+
 # LLM Configuration (OpenAI)
 AI_SERVICE_LLM_PROVIDER=openai
 AI_SERVICE_LLM_API_KEY=your-api-key-here
diff --git a/docker-compose.yaml b/docker-compose.yaml
index 027448b..866f048 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -10,7 +10,7 @@ services:
     environment:
       - AI_SERVICE_DEBUG=false
       - AI_SERVICE_LOG_LEVEL=INFO
-      - AI_SERVICE_DATABASE_URL=postgresql+asyncpg://postgres:postgres@postgres:5432/ai_service
+      - AI_SERVICE_DATABASE_URL=postgresql+asyncpg://${DB_USER:-postgres}:${DB_PASSWORD}@postgres:5432/ai_service
       - AI_SERVICE_QDRANT_URL=http://qdrant:6333
       - AI_SERVICE_LLM_PROVIDER=${AI_SERVICE_LLM_PROVIDER:-openai}
       - AI_SERVICE_LLM_API_KEY=${AI_SERVICE_LLM_API_KEY:-}
@@ -54,18 +54,16 @@ services:
     container_name: ai-postgres
     restart: unless-stopped
     environment:
-      - POSTGRES_USER=postgres
-      - POSTGRES_PASSWORD=postgres
+      - POSTGRES_USER=${DB_USER:-postgres}
+      - POSTGRES_PASSWORD=${DB_PASSWORD}
       - POSTGRES_DB=ai_service
     volumes:
       - postgres_data:/var/lib/postgresql/data
       - ./ai-service/scripts/init_db.sql:/docker-entrypoint-initdb.d/init_db.sql:ro
-    ports:
-      - "5432:5432"
     networks:
       - ai-network
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U postgres -d ai_service"]
+      test: ["CMD-SHELL", "pg_isready -U ${DB_USER:-postgres} -d ai_service"]
       interval: 10s
       timeout: 5s
       retries: 5
@@ -74,9 +72,6 @@ services:
     image: qdrant/qdrant:latest
     container_name: ai-qdrant
     restart: unless-stopped
-    ports:
-      - "6333:6333"
-      - "6334:6334"
     volumes:
       - qdrant_data:/qdrant/storage
     networks:
@@ -86,8 +81,6 @@ services:
     image: ollama/ollama:latest
     container_name: ai-ollama
     restart: unless-stopped
-    ports:
-      - "11434:11434"
     volumes:
       - ollama_data:/root/.ollama
     networks: