returned a non-zero code: 1

[bmcgair]

ERROR: Service 'bluecherry' failed to build: The command '/bin/sh -c /usr/sbin/groupadd -r -f -g $BLUECHERRY_GROUP_ID bluecherry && useradd -c "Bluecherry DVR" -d /var/lib/bluecherry -g bluecherry -G audio,video -r -m bluecherry -u $BLUECHERRY_USER_ID && { echo "[client]"; echo "user=$MYSQL_ADMIN_LOGIN"; echo "password=$MYSQL_ADMIN_PASSWORD"; echo "[mysql]"; echo "user=$MYSQL_ADMIN_LOGIN"; echo "password=$MYSQL_ADMIN_PASSWORD"; echo "[mysqldump]"; echo "user=$MYSQL_ADMIN_LOGIN"; echo "password=$MYSQL_ADMIN_PASSWORD"; echo "[mysqldiff]"; echo "user=$MYSQL_ADMIN_LOGIN"; echo "password=$MYSQL_ADMIN_PASSWORD"; } > /root/.my.cnf && apt-get update && apt-get install -y supervisor wget gnupg rsyslog mysql-client-5.7 ssl-cert curl sysstat mkvtoolnix php-mail php-mail-mime php-net-smtp sqlite3 nmap apache2 v4l-utils vainfo php-sqlite3 libapache2-mod-php php-gd php-curl php-mysql libmysqlclient20 libopencv-core3.2 libopencv-imgproc3.2 && { echo bluecherry bluecherry/mysql_admin_login password $MYSQL_ADMIN_LOGIN; echo bluecherry bluecherry/mysql_admin_password password $MYSQL_ADMIN_PASSWORD; echo bluecherry bluecherry/db_host string $host; echo bluecherry bluecherry/db_userhost string $userhost; echo bluecherry bluecherry/db_name string $dbname; echo bluecherry bluecherry/db_user string $user; echo bluecherry bluecherry/db_password password $password; } | debconf-set-selections && dpkg -i bluecherry_.deb && rm /root/bluecherry_.deb && rm -rf /var/lib/apt/lists/* && rm /etc/Dockerfile' returned a non-zero code: 1

[curtishall]

Looks like you are missing some logs, can you paste the logs before this section?