Locale and Timezone

change Locale by ja_JP.UTF-8 UTF-8 and change TimeZone by Asia/Tokyo

image for Ruby on Rails

Collect the package needed to rails

do not put rails gem

Supported tags and respective Dockerfile links

latest (Dockerfile)
ruby-2.6.5-node-12.4.0, ruby-2.6.5-node-12.4.0-alpine (Dockerfile)
ruby-2.6.5-node-12.3.1, ruby-2.6.5-node-12.3.1-alpine (Dockerfile)
ruby-2.6.4-node-12.3.0, ruby-2.6.4-node-12.3.0-alpine (Dockerfile)
2, 2-alpine (Dockerfile)
2.5, 2.5-alpine (Dockerfile)
2.5.0, 2.5.0-alpine (Dockerfile)
2.5.1, 2.5.1-alpine (Dockerfile)
2.5.3, 2.5.3-alpine (Dockerfile)
2.4, 2.4-alpine (Dockerfile)
2.4.1, 2.4.1-alpine (Dockerfile)
2.4.2, 2.4.2-alpine (Dockerfile)
2.4.3, 2.4.3-alpine (Dockerfile)
2.4.4, 2.4.4-alpine (Dockerfile)
2.4.5, 2.4.5-alpine (Dockerfile)
2.3, 2.3-alpine (Dockerfile)
2.3.4, 2.3.4-alpine (Dockerfile)
2.3.5, 2.3.5-alpine (Dockerfile)
2.3.7, 2.3.7-alpine (Dockerfile)
2.3.8, 2.3.8-alpine (Dockerfile)
2.2, 2.2-alpine (Dockerfile)
2.1, 2.1-alpine (Dockerfile)
2.1.2, 2.1.2-alpine (Dockerfile)