alvinlai/handsondockernotes.md

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Handson Dockernotes Update

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handsondockernotes.md

Notes

This was preventing the alvin/handson-postgres image from being downloaded:

I had to modify the Dockerfiles and rebuild them for a couple of reasons:

docker pull only downloads images tagged 'latest'. While this can be circumvented with a -a flag, it didn't seem to work for me.
the old images were built off ubuntu 12.10 which is deprecated, apt sources for that version is no longer available.
postgres's default template database uses ASCII. database.yml in Rails had to be updated to use template0 which uses UTF8.

Running this

docker pull alvin/handson-postgres2
docker pull alvin/handson-dockernotes2
docker run -t -d --name db alvin/handson-postgres2
docker ps
docker run -d -t -p 80:3000 --link db:db alvin/handson-dockernotes2 bundle exec rake db:create
docker run -d -t -p 80:3000 --link db:db alvin/handson-dockernotes2 bundle exec rake db:migrate
docker run -d -t -p 80:3000 --link db:db alvin/handson-dockernotes2

Changelog

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