Remove volume mount for public directory - files built into image

The volume mount was overwriting the public directory from the Docker
image with an empty directory from the host, causing ENOENT errors.
Public files are now served from the Docker image via COPY command.

docker-compose.yml

@@ -42,8 +42,6 @@ services:
         condition: service_healthy
     networks:
       - recruitment-network
-    volumes:
-      - ./public:/app/public
 
 volumes:
   postgres_data: