first to addDB service

docker-compose.yml

@@ -1,4 +1,42 @@
 services:
+  # -----------------------
+  # Database (PostgreSQL)
+  # -----------------------
+  postgres:
+    image: postgres:16-alpine
+    restart: unless-stopped
+    environment:
+      - POSTGRES_USER
+      - POSTGRES_PASSWORD
+      - POSTGRES_DB
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+    healthcheck:
+      test: "pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}"
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+  # -----------------------
+  # Conversation‑logging microservice
+  # -----------------------
+  db_service:
+    build:
+      context: ./db_service
+    restart: unless-stopped
+    environment:
+      - POSTGRES_USER
+      - POSTGRES_PASSWORD
+      - POSTGRES_DB
+      - POSTGRES_HOST
+      - LOG_TOKEN
+    depends_on:
+      postgres:
+        condition: service_healthy
+    ports:
+      - "8000:8000"  # expose externally only if needed
+
+
   matrix_service:
     build: ./matrix_service
     environment:
@@ -25,6 +63,10 @@ services:
   redis:
     image: redis:7
     restart: unless-stopped
+    volumes:
+      - redis-data:/data    
 
 volumes:
-  matrix_data:
+  matrix_data:
+  redis-data:
+  postgres-data: