Adding Dockerfile and start_sidekiq.rb needed to create Docker Image with asciinema

.dockerignore

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+.git

Dockerfile

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+FROM ubuntu:14.04
+MAINTAINER Bartosz Ptaszynski <foobarto@gmail.com>
+
+# A quickstart:
+#
+#     docker run -d -p 5432:5432 -e POSTGRES_PASSWORD=mypass --name=postgres postgres
+#     docker run -d -p 6379:6379 --name=redis redis
+#     docker run --rm -e DATABASE_URL="postgresql://postgres:mypass@172.17.42.1/asciinema" foobarto/asciinema.org bundle exec rake db:setup
+#     # starting sidekiq using the provided start_sidekiq.rb file will also start sendmail service if you don't want to use SMTP
+#     # otherwise start sidekiq by starting: bundle exec sidekiq
+#     docker run -d -e DATABASE_URL="postgresql://postgres:mypass@172.17.42.1/asciinema" foobarto/asciinema.org ruby start_sidekiq.rb
+#     docker run -d -e DATABASE_URL="postgresql://postgres:mypass@172.17.42.1/asciinema" -p 3000:3000 foobarto/asciinema.org
+#
+# You can override the address/port that is sent in email with login token by passing HOST="host:port" environment variable when starting the web server.
+#
+# Assuming you are running Docker Toolbox and VirtualBox: go to http://192.168.99.100:3000/ and enjoy.
+
+ENV RUBY_VERSION 2.1.7
+EXPOSE 3000
+
+# get ruby in the house
+RUN mkdir /app && \
+    apt-get update && \
+    apt-get install -y \
+      autoconf \
+      build-essential \
+      curl \
+      git-core \
+      libcurl4-openssl-dev \
+      libffi-dev \
+      libpq-dev \
+      libreadline-dev \
+      libsqlite3-dev \
+      libssl-dev \
+      libtool \
+      libxml2-dev \
+      libxslt1-dev \
+      libyaml-dev \
+      pkg-config \
+      postgresql \
+      python-software-properties \
+      sendmail \
+      software-properties-common \
+      sqlite3 \
+      zlib1g-dev
+
+ENV PATH /usr/local/rbenv/bin:/usr/local/rbenv/plugins/ruby-build/bin:$PATH
+
+# install ruby
+RUN mkdir /usr/local/rbenv && \
+    git clone git://github.com/sstephenson/rbenv.git /usr/local/rbenv && \
+    git clone git://github.com/sstephenson/ruby-build.git /usr/local/rbenv/plugins/ruby-build && \
+    git clone https://github.com/sstephenson/rbenv-gem-rehash.git /usr/local/rbenv/plugins/rbenv-gem-rehash && \
+    rbenv install $RUBY_VERSION && \
+    rbenv global $RUBY_VERSION && \
+    rbenv rehash
+
+# get asciinema dependencies
+RUN curl --silent --location https://deb.nodesource.com/setup_4.x | sudo bash - && \
+    add-apt-repository ppa:tanguy-patte/phantomjs && \
+    apt-get update && \
+    apt-get install -y phantomjs nodejs && \
+    rbenv exec gem install bundler
+
+# get libtsm
+RUN git clone git://people.freedesktop.org/~dvdhrm/libtsm /tmp/libtsm && \
+    cd /tmp/libtsm && \
+    git checkout libtsm-3 && \
+    test -f ./configure || NOCONFIGURE=1 ./autogen.sh && \
+    ./configure --prefix=/usr/local && \
+    make && \
+    sudo make install && \
+    sudo ldconfig
+
+# install asciinema
+ADD . /app
+WORKDIR /app
+
+RUN rbenv local $RUBY_VERSION && \
+    cd /app/src && \
+    eval "$(rbenv init -)" && \
+    make && \
+    cd /app && \
+    rm -f log/* && \
+    bundle install && \
+    mkdir -p tmp && \
+    touch tmp/restart.txt
+
+VOLUME ["/app/config", "/app/log"]
+
+# 172.17.42.1 is the docker0 address
+ENV DATABASE_URL "postgresql://postgres:mypass@172.17.42.1/asciinema"
+ENV REDIS_URL "redis://172.17.42.1:6379"
+ENV RAILS_ENV "development"
+# when using Docker Toolbox/Virtualbox this is going to be your address
+# set to whatever FQDN/address you want asciinema to advertise itself as
+# for ex. asciinema.example.com
+ENV HOST "192.168.99.100:3000"
+
+ENTRYPOINT ["rbenv", "exec"]
+CMD ["bundle", "exec", "rails", "server"]
+# bundle exec rake db:setup
+# budnle exec sidekiq  OR ruby start_sidekiq.rb (to start sidekiq with sendmail)

start_sidekiq.rb

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+system "service sendmail start"
+exec "bundle exec sidekiq"