rake post title='A Title'
or
rake post title="A Title" [date="2012-02-09"] [tags=[tag1,tag2]] [category="category"]
rake page name='about.html'
Edit the file: assets/_sass/_custom.scss
rake qrsync
Then, follow tips to do
docker-compose up -d
docker exec -ti jekyll rake post title='A Title'
or
docker exec -ti jekyll rake post title="A Title" [date="2012-02-09"] [tags=[tag1,tag2]] [category="category"]