Added two new apis

Co-authored-by: Copilot <copilot@github.com>

docker-compose.yaml

@@ -49,7 +49,25 @@ services:
       timeout: 5s
       retries: 5
 
+  postgres:
+    image: postgres:15-alpine
+    container_name: voxpopuli_postgres
+    environment:
+      POSTGRES_USER: voxpopuli
+      POSTGRES_PASSWORD: voxpopuli_pass
+      POSTGRES_DB: voxpopuli_metrics
+    ports:
+      - "5432:5432"
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U voxpopuli -d voxpopuli_metrics"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
 volumes:
   mysql_data:
   mongo_data:
   mongo_data_notifications:
+  postgres_data: