diff --git a/Dockerfile b/Dockerfile
index 7e87edf24..c41ed667e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,14 @@
 FROM ubuntu:18.04
+RUN apt update && DEBIAN_FRONTEND=noninteractive apt install -y  gnupg1 gpgv1 --no-install-recommends
+RUN sh -c  "if [ x"" != x$http_proxy ]; then \
+                apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --keyserver-options http-proxy=$http_proxy --recv-keys ED75B5A4483DA07C >/dev/null 2>&1; \
+		    else \
+			    apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys ED75B5A4483DA07C >/dev/null 2>&1; \
+		    fi"
+RUN echo "deb http://repo.aptly.info/ nightly main" > /etc/apt/sources.list.d/aptly.list
 RUN dpkg --add-architecture i386
 RUN apt update && DEBIAN_FRONTEND=noninteractive apt -y upgrade && \
-	DEBIAN_FRONTEND=noninteractive apt-get install -y git dialog lsb-release binutils wget ca-certificates device-tree-compiler \
+	DEBIAN_FRONTEND=noninteractive apt install -y git dialog lsb-release binutils wget ca-certificates device-tree-compiler \
 	pv bc lzop zip binfmt-support build-essential ccache debootstrap ntpdate gawk gcc-arm-linux-gnueabihf \
 	qemu-user-static u-boot-tools uuid-dev zlib1g-dev unzip libusb-1.0-0-dev parted pkg-config libncurses5-dev whiptail \
 	debian-keyring debian-archive-keyring f2fs-tools libfile-fcntllock-perl rsync libssl-dev nfs-kernel-server btrfs-tools \
@@ -9,7 +16,7 @@ RUN apt update && DEBIAN_FRONTEND=noninteractive apt -y upgrade && \
 	curl patchutils python liblz4-tool libpython2.7-dev linux-base swig libpython-dev \
 	systemd-container udev g++-5-arm-linux-gnueabihf lib32stdc++6 cpio tzdata psmisc acl \
 	libc6-i386 lib32ncurses5 lib32tinfo5 locales ncurses-base zlib1g:i386 pixz bison libbison-dev flex libfl-dev \
-        aptly aria2 cryptsetup cryptsetup-bin gnupg1 gpgv1
+    aptly aria2 cryptsetup cryptsetup-bin --no-install-recommends
 RUN locale-gen en_US.UTF-8
 ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8' TERM=screen
 WORKDIR /root/armbian