[unmaintained] Install and manage Discourse via docker [2014]
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Discourse is a re-imagined online forum software. Installing Discourse can be quite an involved process. We use Docker, an exciting new container management tool, to greatly ease its install process.


Get yourself a Ubuntu 13.04 VM (I recommend DigitalOcean), and start getting Discourse up and running in a few minutes:

# Install docker
open http://docs.docker.io/en/latest/installation/ubuntulinux/#ubuntu-raring

# Install postgresql-client for management-tasks
sudo apt-get install postgresql-client

# Install supervisor, the process manager
sudo apt-get install python-pip
sudo pip install supervisor

git clone https://github.com/srid/discourse-docker.git
cd discourse-docker

# Pull the docker images (expect this to download a few megabytes)
make pull  # or `make build` if you want to locally build them

# Configure your discourse site domain (DISCOURSE_HOST)
more etc/env
echo 'export DISCOURSE_HOST=mysite.com:5000' > .env
# OPTIONAL: email support via postmarkapp.com.
# later, add the 'From' address to Discourse admin settings.
echo 'export POSTMARK_API_KEY=<apikey>' >> .env

# Start supervisor on a separate terminal window. This will
# automatically start the redis and postgresql containers.
make supervisor

# Verify that redis-server and postgres are running.
# Note: bin/sup is alias to `sudo supervisorctl`.
bin/sup status

# Setup the discourse database and compile static assets.
# Note: postgres data is at data/postgres; discourse public/
# (containing uploaded files) directory is mounted from
# data/discourse-public.
bin/discourse-start setup

# Finally, start discourse, sidekiq and nginx
bin/sup start discourse sidekiq nginx

# Discourse is now running; launch the discourse site URL.
make info

# After signing up for an account, make yourself an admin:
bin/make-admin myusername

Upgrading to newer Discourse versions

  1. Set DISCOURSE_VERSION in discourse/Dockerfile to the appropriate version

  2. Rebuild the images using make build

  3. Stop supervisord, clean up running docker containers, and run make supervisord

  4. Run bin/discourse-start setup (this will run rake db:migrate)

  5. Run bin/discourse-start "bundle exec rake assets:precompile"

  6. Start discourse and the rest: bin/sup start all


To migrate from an existing Discourse forum:

  1. Start only postgresql,redis

  2. Take a snapshot of the database and import it right after starting the postgresql container.

  3. Run bin/discourse-start setup. If the assets creation step fails, try re-running it using bin/discourse-start "bundle exec rake assets:precompile".

  4. Import public/uploads directory into data/discourse-public/uploads

  5. Start everything: bin/sup start all