myapp/releases
myapp/current -> releases/20081019001122
myapp/shared
deploy任务分类
deploy:update_code
deploy:symlink_shared
deploy:symlink
deploy:restart
set :application, "demo"
set :user, "demo"
set :repository, "[email protected]:yang/demo.git"
set :scm, :git
# Or: `accurev`, `bzr`, `cvs`, `darcs`, `git`, `mercurial`, `perforce`, `subversion` or `none`
set :use_sudo, false
set :deploy_via, :remote_cache
server "www.demo", :app, :web, :db, :primary => true
namespace :deploy do
set :deploy_to, "/home/demo/master"
desc "Long deploy will update the code migrate the database and restart the servers"
task :master do
set :deploy_to, "/home/demo/master"
set :branch, "master"
set :env, "production"
transaction do
update_code
symlink
copy_configs
migrate
end
restart
end
desc "Custom after update code to put production database.yml in place."
task :copy_configs, :roles => :app do
run "cp #{deploy_to}/shared/database.yml #{current_path}/config/database.yml"
run "ln -s #{deploy_to}/shared/recommend_photos #{current_path}/public/recommend_photos"
run "rm -rf #{current_path}/public/market_info_photos && ln -s #{deploy_to}/shared/market_info_photos #{current_path}/public/market_info_photos"
# 不需要部署的文件放在share目录里，在current目录使用软链接访问
end
desc "Rake database"
task :migrate, :roles => :app,
nly => {:primary => true} do
run "cd #{deploy_to}/current && RAILS_ENV=#{env} rake db:schema:load"
end
desc "Restart the app server"
task :restart, :roles => :app do
run "cd #{deploy_to}/current && touch tmp/restart.txt"
end
end