ActiveRecord::DatabaseConnectionError: There is an issue connecting with your hostname: /cloudsql/bootcamp-224405:asia-northeast1:bootcamp. Please check your database configuration and ensure there is a valid connection to your database.

[komagata]

View details in Rollbar: https://app.rollbar.com/a/komagata/fix/item/Bootcamp/2211

PG::ConnectionBad: connection to server on socket "/cloudsql/bootcamp-224405:asia-northeast1:bootcamp/.s.PGSQL.5432" failed: server closed the connection unexpectedly
	This probably means the server terminated abnormally
	before or while processing the request.

  File "/usr/local/bundle/gems/pg-1.4.6/lib/pg/connection.rb", line 633, in PG::Connection#async_connect_or_reset
  File "/usr/local/bundle/gems/pg-1.4.6/lib/pg/connection.rb", line 761, in PG::Connection.connect_to_hosts
  File "/usr/local/bundle/gems/pg-1.4.6/lib/pg/connection.rb", line 696, in PG::Connection.new
  File "/usr/local/bundle/gems/pg-1.4.6/lib/pg.rb", line 63, in PG.connect
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/postgresql_adapter.rb", line 58, in ActiveRecord::ConnectionAdapters::PostgreSQLAdapter.new_client
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/postgresql_adapter.rb", line 955, in ActiveRecord::ConnectionAdapters::PostgreSQLAdapter#connect
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/postgresql_adapter.rb", line 967, in ActiveRecord::ConnectionAdapters::PostgreSQLAdapter#reconnect
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract_adapter.rb", line 718, in block in ActiveRecord::ConnectionAdapters::AbstractAdapter#reconnect!
  File "/usr/local/bundle/gems/activesupport-8.1.1/lib/active_support/concurrency/null_lock.rb", line 9, in ActiveSupport::Concurrency::NullLock#synchronize
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract_adapter.rb", line 715, in ActiveRecord::ConnectionAdapters::AbstractAdapter#reconnect!
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract_adapter.rb", line 825, in block in ActiveRecord::ConnectionAdapters::AbstractAdapter#verify!
  File "/usr/local/bundle/gems/activesupport-8.1.1/lib/active_support/concurrency/null_lock.rb", line 9, in ActiveSupport::Concurrency::NullLock#synchronize
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract_adapter.rb", line 814, in ActiveRecord::ConnectionAdapters::AbstractAdapter#verify!
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract_adapter.rb", line 834, in ActiveRecord::ConnectionAdapters::AbstractAdapter#connect!
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract_adapter.rb", line 1051, in block in ActiveRecord::ConnectionAdapters::AbstractAdapter#with_raw_connection
  File "/usr/local/bundle/gems/activesupport-8.1.1/lib/active_support/concurrency/null_lock.rb", line 9, in ActiveSupport::Concurrency::NullLock#synchronize
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract_adapter.rb", line 1050, in ActiveRecord::ConnectionAdapters::AbstractAdapter#with_raw_connection
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract/database_statements.rb", line 570, in block in ActiveRecord::ConnectionAdapters::DatabaseStatements#raw_execute
  File "/usr/local/bundle/gems/activesupport-8.1.1/lib/active_support/notifications/instrumenter.rb", line 58, in ActiveSupport::Notifications::Instrumenter#instrument
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract_adapter.rb", line 1201, in ActiveRecord::ConnectionAdapters::AbstractAdapter#log
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract/database_statements.rb", line 569, in ActiveRecord::ConnectionAdapters::DatabaseStatements#raw_execute
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract/database_statements.rb", line 613, in ActiveRecord::ConnectionAdapters::DatabaseStatements#internal_execute
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract/database_statements.rb", line 555, in ActiveRecord::ConnectionAdapters::DatabaseStatements#internal_exec_query
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract/database_statements.rb", line 708, in ActiveRecord::ConnectionAdapters::DatabaseStatements#select
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract/database_statements.rb", line 76, in ActiveRecord::ConnectionAdapters::DatabaseStatements#select_all
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract/query_cache.rb", line 275, in block in ActiveRecord::ConnectionAdapters::QueryCache#select_all
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract/query_cache.rb", line 313, in block (2 levels) in ActiveRecord::ConnectionAdapters::QueryCache#cache_sql
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract/query_cache.rb", line 90, in ActiveRecord::ConnectionAdapters::QueryCache::Store#compute_if_absent
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract/query_cache.rb", line 311, in block in ActiveRecord::ConnectionAdapters::QueryCache#cache_sql
  File "/usr/local/bundle/gems/activesupport-8.1.1/lib/active_support/concurrency/null_lock.rb", line 9, in ActiveSupport::Concurrency::NullLock#synchronize
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract/query_cache.rb", line 310, in ActiveRecord::ConnectionAdapters::QueryCache#cache_sql
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract/query_cache.rb", line 275, in ActiveRecord::ConnectionAdapters::QueryCache#select_all
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/querying.rb", line 68, in ActiveRecord::Querying#_query_by_sql
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/querying.rb", line 53, in block in ActiveRecord::Querying#find_by_sql
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_adapters/abstract/connection_pool.rb", line 457, in ActiveRecord::ConnectionAdapters::ConnectionPool#with_connection
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/connection_handling.rb", line 313, in ActiveRecord::ConnectionHandling#with_connection
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/querying.rb", line 52, in ActiveRecord::Querying#find_by_sql
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/statement_cache.rb", line 156, in ActiveRecord::StatementCache#execute
  File "/usr/local/bundle/gems/activerecord-8.1.1/lib/active_record/core.rb", line 455