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# Discourse Advanced Developer Install Guide
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This guide is aimed at advanced Rails developers who have installed their own Rails apps before.
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Note: If you are developing on a Mac, you will probably want to look at [these instructions ](DEVELOPMENT-OSX-NATIVE.md ) as well.
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# Preparing a fresh Ubuntu install
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To get your Ubuntu 16.04 LTS install up and running to develop Discourse and Discourse plugins follow the commands below. We assume an English install of Ubuntu.
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# Basics
whoami > /tmp/username
sudo add-apt-repository ppa:chris-lea/redis-server
sudo apt-get -yqq update
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sudo apt-get -yqq install python-software-properties vim curl expect debconf-utils git-core build-essential zlib1g-dev libssl-dev openssl libcurl4-openssl-dev libreadline6-dev libpcre3 libpcre3-dev imagemagick postgresql postgresql-contrib-9.5 libpq-dev postgresql-server-dev-9.5 redis-server advancecomp gifsicle jhead jpegoptim libjpeg-turbo-progs optipng pngcrush pngquant gnupg2
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# Ruby
curl -sSL https://rvm.io/mpapis.asc | gpg2 --import -
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curl -sSL https://get.rvm.io | bash -s stable
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echo 'gem: --no-document' >> ~/.gemrc
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# exit the terminal and open it again to activate RVM
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rvm install 2.3.4
rvm --default use 2.3.4 # If this error out check https://rvm.io/integration/gnome-terminal
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gem install bundler mailcatcher
# Postgresql
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sudo -u postgres -i
createuser --superuser -Upostgres $(cat /tmp/username)
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psql -c "ALTER USER $(cat /tmp/username) WITH PASSWORD 'password';"
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exit
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# Node
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curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.2/install.sh | bash
# exit the terminal and open it again to activate NVM
nvm install node
nvm alias default node
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npm install -g svgo
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If everything goes alright, let's clone Discourse and start hacking:
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git clone https://github.com/discourse/discourse.git ~/discourse
cd ~/discourse
bundle install
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# run this if there was a pre-existing database
bundle exec rake db:drop
RAILS_ENV=test bundle exec rake db:drop
# time to create the database and run migrations
bundle exec rake db:create db:migrate
RAILS_ENV=test bundle exec rake db:create db:migrate
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# run the specs (optional)
bundle exec rake autospec # CTRL + C to stop
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# launch discourse
bundle exec rails s -b 0.0.0.0 # open browser on http://localhost:3000 and you should see Discourse
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Create an admin account with:
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bundle exec rake admin:create
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If you ever need to recreate your database:
bundle exec rake db:drop db:create db:migrate
bundle exec rake admin:create
RAILS_ENV=test bundle exec rake db:drop db:create db:migrate
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Discourse does a lot of stuff async, so it's better to run sidekiq even on development mode:
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mailcatcher # open http://localhost:1080 to see the emails, stop with pkill -f mailcatcher
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bundle exec sidekiq # open http://localhost:3000/sidekiq to see queues
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bundle exec rails server
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And happy hacking!
