nginx 502 Bad Gateway
出现 502 Bad Gateway; nginx配置检查了没问题;
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ghost_db_1 docker-entrypoint.sh mysqld Up 0.0.0.0:3306->3306/tcp
ghost_ghost-app_1 docker-entrypoint.sh /bin/ ... Exit 254
ghost_nginx_1 nginx -g daemon off; Up 0.0.0.0:80->80/tcp