Merge pull request #1 from tsuyoshicho/develop

merged
Merge branch 'develop'
Merge pull request #2 from tsuyoshicho/develop

add build.sh for build script
add warning message

Dockerfileを1つ戻す旨追加
revert previous commit change
Merge pull request #3 from tsuyoshicho/hotfix_dockerhub_buildfail

Hotfix dockerhub buildfail