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我想在heroku上部署一個小應用。部署工作正常,並且在我的本地環境中運行時沒有問題。然而,在生產中,應用程序立即崩潰,拋出「應用程序錯誤」。需要幫助使用數據映射器部署一個sinatra應用到heroku,沒有創建表格
我懷疑問題是沒有創建數據庫表的事實(當我看着關於heroku/psql的統計信息時,它表示:Tables)。但我不知道爲什麼。該代碼是在github從我app.rb文件
require 'sinatra'
require 'haml'
require 'data_mapper'
require "date"
require "pg"
class Note
include DataMapper::Resource
property :id, Serial
property :content, Text, :required => true
property :status, Integer
property :created_at, DateTime
property :updated_at, DateTime
end
configure do
DataMapper.setup(:default, ENV['postgres://coeastaxltnwlx:[email protected]com:5432/d7n7n4iggsqnke'] || "sqlite3://#{Dir.pwd}/development.db")
DataMapper.finalize.auto_upgrade!
end
https://github.com/valentin-zambelli/kanban-for-students/tree/master
快照並從寶石文件
source "https://rubygems.org"
ruby "2.1.2"
gem "sinatra"
gem "thin"
gem "haml"
gem 'data_mapper'
gem "pg"
gem "dm-postgres-adapter"
下面是從$ Heroku的日誌中的最後幾個錯誤消息我得到
2014-10-27T10:55:48.591707+00:00 heroku[web.1]: Process exited with status 1
2014-10-27T10:55:48.600652+00:00 heroku[web.1]: State changed from starting to crashed
2014-10-27T10:55:55.697970+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=murmuring-waters-2400.herokuapp.com request_id=1a3e9d90-c9f2-4cdc-842b-55d3152089ba fwd="83.64.207.92" dyno= connect= service= status=503 bytes=
2014-10-27T10:55:56.508412+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=murmuring-waters-2400.herokuapp.com request_id=d83bdf15-c09c-4919-ab05-30b862199323 fwd="83.64.207.92" dyno= connect= service= status=503 bytes=
2014-10-27T10:56:06.872347+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=murmuring-waters-2400.herokuapp.com request_id=2e4a1984-c1ea-4234-8331-3f6a6f217137 fwd="54.161.222.26" dyno= connect= service= status=503 bytes=
任何幫助非常感謝!
謝謝,這個問題得到了解決!我創建了一個名爲DATABASE_URL的常量並將其用於該方法中。 – 2014-10-27 20:54:05