heroku rails postgres

The program initially uses the sqlite3 database. Modify the Gemfile file to add the Support group: productiondo # gemsspecificallyforHerokugoheregem "pg" endbundleinstall to the heroku deployment to pre-compile some files. Otherwise, the bundleexecrakeassets will error on heroku: The program initially uses the sqlite3 database. Modify the Gemfile file, and add pg support to

The program was originally used by the Sqlite3 database. Modify the Gemfile file to add PG support for Heroku deployment Group:p Roduction Do # Gems specifically for Heroku go Gem "PG" End Bundle Install Precompile some files, otherwise there will be an error on the HerokuBundle EXEC Rake Assets:precompile Publish application to GitHub top$ git Add.$ git commit-a-M "Done with the demo app"Done with

1, Purpose: Use Heroku to deploy the development environment to the production environment. Heroku is dedicated to deploying rails and other Web applications, and the process of deploying rails applications is straightforward-as long as the source code is incorporated into the GIT version control system.2. Build

Premise: Already installed Ruby, Rails, Git =============================================================== Setup Heroku for the first time $sudo Gem Install Heroku Set Heroku account number, need email and password, please apply for free in http://www.heroku.com/ $ Heroku K

Psql: Fatal error: User "Postgres" Ident authentication failed1 after installing the PostgreSQL database, you need to initialize and some configuration rails project to connect PostgreSQL.After the PostgreSQL data is installed (the Yum command is installed directly)First step: Initialize the database#service PostgreSQL Initdb(Description: After initialization the default PostgreSQL database has a default us

Rails connection postgresql error: psql: Fatal error: User "s" Ident authentication failed, psqlpostgresPsql: Fatal error: User "s" Ident authentication failed 1. After the postgresql database is installed, you must initialize and configure some rails projects to connect to postgresql. After postgresql data is installed (the yum command is directly installed) Step 1: Initialize the database # Service postg