add Gunicorn to ai-box

Change-Id: I745877f6904b13d0b92476741e860f0dffddd43f

ai-box/Dockerfile

@@ -14,7 +14,7 @@
 # limitations under the License.
 #
 
-FROM registry-vpc.cn-hangzhou.aliyuncs.com/schbrain/python:3.6.7
+FROM registry-vpc.cn-hangzhou.aliyuncs.com/schbrain/python:3.6.7_1
 MAINTAINER xt
 
 ENV PYTHONUNBUFFERED 1
@@ -25,9 +25,7 @@ ENV LIBRARY_PATH /usr/lib/gcc/x86_64-linux-gnu/8
 COPY sources.list /etc/apt/sources.list
 COPY requirements.txt ./
 COPY simsun.ttc /usr/local/fonts/
-RUN apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 40976EAF437D05B5 \
-    && apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 3B4FE6ACC0B21F32 \
-    && apt-get update \
+RUN apt-get update \
     && apt-get install -y --allow-unauthenticated \
          bzip2 gcc libmysqlclient-dev libzbar-dev \
          littler r-cran-littler r-cran-stringr \

ai-box/requirements.txt

@@ -43,3 +43,4 @@ seaborn==0.8.1
 tensorflow==1.12.0
 keras==2.2.4
 tabulate==0.8.2
+gunicorn

ai-box/sources.list

-# deb cdrom:[Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1)]/ xenial main restricted
-deb-src http://archive.ubuntu.com/ubuntu xenial main restricted #Added by software-properties
-deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted
-deb-src http://mirrors.aliyun.com/ubuntu/ xenial main restricted multiverse universe #Added by software-properties
-deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted
-deb-src http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted multiverse universe #Added by software-properties
-deb http://mirrors.aliyun.com/ubuntu/ xenial universe
-deb http://mirrors.aliyun.com/ubuntu/ xenial-updates universe
-deb http://mirrors.aliyun.com/ubuntu/ xenial multiverse
-deb http://mirrors.aliyun.com/ubuntu/ xenial-updates multiverse
-deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse
-deb-src http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse #Added by software-properties
-deb http://archive.canonical.com/ubuntu xenial partner
-deb-src http://archive.canonical.com/ubuntu xenial partner
-deb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted
-deb-src http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted multiverse universe #Added by software-properties
-deb http://mirrors.aliyun.com/ubuntu/ xenial-security universe
-deb http://mirrors.aliyun.com/ubuntu/ xenial-security multiverse
-deb http://mirrors.aliyun.com/debian sid main
+# deb cdrom:[Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1)]/ bionic main restricted
+deb-src http://archive.ubuntu.com/ubuntu bionic main restricted #Added by software-properties
+deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted
+deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted multiverse universe #Added by software-properties
+deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted
+deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted multiverse universe #Added by software-properties
+deb http://mirrors.aliyun.com/ubuntu/ bionic universe
+deb http://mirrors.aliyun.com/ubuntu/ bionic-updates universe
+deb http://mirrors.aliyun.com/ubuntu/ bionic multiverse
+deb http://mirrors.aliyun.com/ubuntu/ bionic-updates multiverse
+deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
+deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse #Added by software-properties
+deb http://archive.canonical.com/ubuntu bionic partner
+deb-src http://archive.canonical.com/ubuntu bionic partner
+deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted
+deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted multiverse universe #Added by software-properties
+deb http://mirrors.aliyun.com/ubuntu/ bionic-security universe
+deb http://mirrors.aliyun.com/ubuntu/ bionic-security multiverse
+