python3.6-ubuntu18.04

python3-ubuntu/Dockerfile

-FROM ubuntu:16.04
+FROM ubuntu:18.04
 
 MAINTAINER wangzhiwen@163.com
 
@@ -10,11 +10,8 @@ RUN sed -i s@/archive.ubuntu.com/@/mirrors.aliyun.com/@g /etc/apt/sources.list \
 	&& apt-get install -y --no-install-recommends apt-utils \
 	&& apt-get install gcc g++ gdb -y
 
-RUN apt-get install software-properties-common -y \
-	&& add-apt-repository ppa:deadsnakes/ppa -y \
-	&& apt-get update \
-	&& apt-get install python3.6 python3-pip -y \
-	&& ln -sf /usr/bin/python3.6 /usr/bin/python \
+RUN apt-get install python3 python3-pip -y \
+	&& ln -sf /usr/bin/python3 /usr/bin/python \
 	&& ln -sf /usr/bin/pip3 /usr/bin/pip \
 	&& mkdir -p /root/.pip \
 	&& echo '[global]\nindex_url = https://pypi.doubanio.com/simple' > /root/.pip/pip.conf \