CI: Add dockerfile to install missing package. (#14)

Dockerfile

+#   Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+# A dev image based on paddle production image
+
+FROM paddlepaddle/paddle:latest-gpu
+
+RUN apt-get install -y cmake
+RUN pip install gym
+RUN pip install details

scripts/build.sh

@@ -56,7 +56,6 @@ function check_style() {
 }
 
 function run_test() {
-    apt-get install -y cmake
     mkdir -p ${REPO_ROOT}/build
     cd ${REPO_ROOT}/build
     cmake ..