我正在Windows中运行Postgres 12.3。
获取错误：
E：\ ruby \ basic_auth> heroku运行rake db：migrate
»警告：heroku更新从7.39.2到7.42.5。
正在运行的rake db：在⬢rocky-ravine-69290上迁移... up，run.6606（免费）
耙子流产了！
PG :: ConnectionBad：无法连接到服务器：没有这样的文件或目录
服务器是否在本地运行并接受
Unix域套接字“ /var/run/postgresql/.s.PGSQL.5432”上连接？
/app/vendor/bundle/ruby/2.6.0/gems/pg-1.2.3/lib/pg.rb:58:in initialize' /app/vendor/bundle/ruby/2.6.0/gems/pg-1.2.3/lib/pg.rb:58:in new'
/app/vendor/bundle/ruby/2.6.0/gems/pg-1.2.3/lib/pg.rb:58:in connect' /app/vendor/bundle/ruby/2.6.0/gems/activerecord-6.0.3.2/lib/active_record/connection_adapters/postgresql_adapter.rb:46:in postgresql_connection'
/app/vendor/bundle/ruby/2.6.0/gems/activerecord-6.0.3.2/lib/active_record/connection_adapters/abstract/connection_pool.rb:887:in new_connection' /app/vendor/bundle/ruby/2.6.0/gems/activerecord-6.0.3.2/lib/active_record/connection_adapters/abstract/connection_pool.rb:931:in checkout_new_connection'
/app/vendor/bundle/ruby/2.6.0/gems/activerecord-6.0.3.2/lib/active_record/connection_adapters/abstract/connection_pool.rb:910:in try_to_checkout_new_connection' /app/vendor/bundle/ruby/2.6.0/gems/activerecord-6.0.3.2/lib/active_record/connection_adapters/abstract/connection_pool.rb:871:in acquire_connection'
/app/vendor/bundle/ruby/2.6.0/gems/activerecord-6.0.3.2/lib/active_record/connection_adapters/abstract/connection_pool.rb:593:in checkout' /app/vendor/bundle/ruby/2.6.0/gems/activerecord-6.0.3.2/lib/active_record/connection_adapters/abstract/connection_pool.rb:437:in connection'
/app/vendor/bundle/ruby/2.6.0/gems/activerecord-6.0.3.2/lib/active_record/connection_adapters/abstract/connection_pool.rb:1119:in retrieve_connection' /app/vendor/bundle/ruby/2.6.0/gems/activerecord-6.0.3.2/lib/active_record/connection_handling.rb:221:in retrieve_connection'
/app/vendor/bundle/ruby/2.6.0/gems/activerecord-6.0.3.2/lib/active_record/connection_handling.rb:189:in connection' /app/vendor/bundle/ruby/2.6.0/gems/activerecord-6.0.3.2/lib/active_record/tasks/database_tasks.rb:238:in migrate'
/app/vendor/bundle/ruby/2.6.0/gems/activerecord-6.0.3.2/lib/active_record/railties/databases.rake:86:in block (3 levels) in <main>' /app/vendor/bundle/ruby/2.6.0/gems/activerecord-6.0.3.2/lib/active_record/railties/databases.rake:84:in in'
/app/vendor/bundle/ruby/2.6.0/gems/activerecord-6.0.3.2/lib/active_record/railties/databases.rake:84:in block (2 levels) in <main>' /app/vendor/bundle/ruby/2.6.0/gems/rake-13.0.1/exe/rake:27:in load' /app/vendor/bundle/ruby/2.6.0/gems/bundler-1.17.3/lib/bundler/cli/exec.rb:74:in kernel_load'
/app/vendor/bundle/ruby/2.6.0/gems/bundler-1.17.3/lib/bundler/cli/exec.rb:28:in run' /app/vendor/bundle/ruby/2.6.0/gems/bundler-1.17.3/lib/bundler/cli.rb:463:in exec'
/app/vendor/bundle/ruby/2.6.0/gems/bundler-1.17.3/lib/bundler/vendor/thor/lib/thor/command.rb:27:in run' /app/vendor/bundle/ruby/2.6.0/gems/bundler-1.17.3/lib/bundler/vendor/thor/lib/thor/invocation.rb:126:in invoke_command'
/app/vendor/bundle/ruby/2.6.0/gems/bundler-1.17.3/lib/bundler/vendor/thor/lib/thor.rb:387:in dispatch' /app/vendor/bundle/ruby/2.6.0/gems/bundler-1.17.3/lib/bundler/cli.rb:27:in dispatch'
/app/vendor/bundle/ruby/2.6.0/gems/bundler-1.17.3/lib/bundler/vendor/thor/lib/thor/base.rb:466:in start' /app/vendor/bundle/ruby/2.6.0/gems/bundler-1.17.3/lib/bundler/cli.rb:18:in 开始
/app/vendor/bundle/ruby/2.6.0/gems/bundler-1.17.3/exe/bundle:30:in block in <top (required)>' /app/vendor/bundle/ruby/2.6.0/gems/bundler-1.17.3/lib/bundler/friendly_errors.rb:124:in with_friendly_errors'
/app/vendor/bundle/ruby/2.6.0/gems/bundler-1.17.3/exe/bundle:22:in <top (required)>' /app/bin/bundle:104:in load'
/ app / bin / bundle：104：in''
任务：TOP => db：migrate
（通过使用--trace运行任务来查看完整的跟踪信息）
需要帮助，为什么会出现此错误以及如何将其删除？