Less dependency installations on Travis (emscripten-core#5681)

saschanaz · kripken · commit 7593a60f4b0d · 2017-10-17T14:33:17.000-07:00
diff --git a/Dockerfile b/Dockerfile
@@ -1,20 +1,15 @@
 # For travis
-FROM ubuntu:16.04
+FROM buildpack-deps:xenial
 SHELL ["/bin/bash", "-c"]
 ENV DEBIAN_FRONTEND noninteractive
 RUN mkdir -p /root/emscripten/
 COPY . /root/emscripten/
 
 RUN cd /root/ \
  && apt-get update \
- && apt-get install -y python python-pip wget git cmake build-essential software-properties-common \
+ && apt-get install -y python python-pip cmake build-essential openjdk-9-jre-headless \
  && pip install --upgrade pip \
  && pip install lit \
- && add-apt-repository ppa:webupd8team/java \
- && apt-get update \
- && echo debconf shared/accepted-oracle-license-v1-1 select true | debconf-set-selections \
- && echo debconf shared/accepted-oracle-license-v1-1 seen true | debconf-set-selections \
- && apt-get install -y oracle-java9-installer \
  && wget https://s3.amazonaws.com/mozilla-games/emscripten/releases/emsdk-portable.tar.gz \
  && tar -xf emsdk-portable.tar.gz \
  && pushd emsdk-portable \
