Yocto build container: Use debian stretch-slim as base container

Signed-off-by: Thomas Klaehn <tkl@blackfinn.de>

Dockerfile

@@ -1,28 +1,31 @@
-FROM debian:latest
+FROM debian:stretch-slim
 
 LABEL maintainer="tkl@blackfinn.de"
 
 # Enable contrip section for "repo"
 RUN sed -i -e 's/.main$/ main contrib/' /etc/apt/sources.list
 
-# Install depencencies
-RUN apt-get update && apt-get install -yq bash bc build-essential chrpath cpio \
-	debianutils default-jdk diffstat dos2unix g++-multilib gawk \
-	gcc-multilib git libc6-dev-i386 libsdl1.2-dev libssl-dev locales lzop \
-	p7zip-full python python3 python3-pexpect repo socat texinfo unzip \
-	wget vim-common xz-utils
+# Install yocto depencencies
+RUN apt-get update && apt-get install -yq gawk wget git-core diffstat unzip \
+	texinfo gcc-multilib build-essential chrpath socat cpio python python3 \
+	python3-pip python3-pexpect xz-utils debianutils iputils-ping
+
+# Install jenkins dependencies
+RUN mkdir -p /usr/share/man/man1/
+RUN apt-get install -yq openjdk-8-jre-headless
+
+# Install repo
+RUN apt-get install -yq repo
 
 # Reconfigure Dash
 RUN echo "dash dash/sh boolean false" | debconf-set-selections && dpkg-reconfigure dash
 
-# Add i386 arch
-RUN dpkg --add-architecture i386 && apt-get update && apt-get -yq install \
-	libusb-1.0-0-dev:i386 libxml2:i386 jq
-
 # Set UTF8 locale settings
-RUN sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && \
-        dpkg-reconfigure --frontend=noninteractive locales && \
-        update-locale LANG=en_US.UTF-8
+RUN apt-get install -yq locales && \
+	locale-gen en_US.UTF-8 && \
+	sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && \
+	dpkg-reconfigure --frontend=noninteractive locales && \
+	update-locale LANG=en_US.UTF-8
 
 ENV LANG en_US.UTF-8