fix

Dockerfile

@@ -8,7 +8,7 @@ RUN apt update && \
 	env DEBIAN_FRONTEND=noninteractive apt -y install wget gnupg  ca-certificates software-properties-common apt-transport-https && \
 	wget -O - https://nginx.org/keys/nginx_signing.key | apt-key add - && \
 	echo "deb https://nginx.org/packages/mainline/debian/ $(lsb_release -sc) nginx" >> /etc/apt/sources.list.d/nginx.list && \
-	echo"deb-src https://nginx.org/packages/mainline/debian/ $(lsb_release -sc) nginx"  >> /etc/apt/sources.list.d/nginx.list && \
+	echo "deb-src https://nginx.org/packages/mainline/debian/ $(lsb_release -sc) nginx"  >> /etc/apt/sources.list.d/nginx.list && \
 	apt update && \
 	env DEBIAN_FRONTEND=noninteractive apt -y install nginx rsync logrotate openssh-server python locales cron && \
 	rm -rf /var/lib/apt/lists/*