Remove default nginx conf after installation

Author: kkimurak

Dockerfile

@@ -58,7 +58,7 @@ RUN set -ex && \
  && update-locale LANG=C.UTF-8 LC_MESSAGES=POSIX \
  && locale-gen en_US.UTF-8 \
  && DEBIAN_FRONTEND=noninteractive dpkg-reconfigure locales \
- && rm -rf /var/lib/apt/lists/*
+ && rm -rf /var/lib/apt/lists/* /etc/nginx/conf.d/default.conf
 
 COPY assets/build/ ${GITLAB_BUILD_DIR}/
 RUN bash ${GITLAB_BUILD_DIR}/install.sh