Created
July 9, 2017 17:23
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A Rails template to generate config/database.yml files for specific database like `mysql` , `sqlite`, `pg`. You may fork it and add support for other databases as well
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# ------------------- MySQL ------------------------------- | |
MYSQL_CONFIG = <<-MYSQL | |
default: &default | |
adapter: mysql2 | |
encoding: utf8 | |
pool: <%%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %> | |
username: root | |
password: | |
<% if mysql_socket %> | |
socket: <%= mysql_socket %> | |
<% else %> | |
host: localhost | |
<% end %> | |
development: | |
<<: *default | |
database: <%= app_name %>_development | |
test: | |
<<: *default | |
database: <%= app_name %>_test | |
production: | |
<<: *default | |
database: <%= app_name %>_production | |
username: <%= app_name %> | |
password: <%%= ENV['<%= app_name.upcase %>_DATABASE_PASSWORD'] %> | |
MYSQL | |
# ------------------- PostGreSQL -------------------------- | |
PG_CONFIG = <<-PG | |
default: &default | |
adapter: postgresql | |
encoding: unicode | |
# For details on connection pooling, see Rails configuration guide | |
# http://guides.rubyonrails.org/configuring.html#database-pooling | |
pool: <%%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %> | |
development: | |
<<: *default | |
database: <%= app_name %>_development | |
test: | |
<<: *default | |
database: <%= app_name %>_test | |
production: | |
<<: *default | |
database: <%= app_name %>_production | |
username: <%= app_name %> | |
password: <%%= ENV['<%= app_name.upcase %>_DATABASE_PASSWORD'] %> | |
PG | |
# ------------------- SQLITE ------------------------------ | |
SQLITE_CONFIG = <<-SQLITE | |
default: &default | |
adapter: sqlite3 | |
pool: <%%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %> | |
timeout: 5000 | |
development: | |
<<: *default | |
database: db/development.sqlite3 | |
test: | |
<<: *default | |
database: db/test.sqlite3 | |
production: | |
<<: *default | |
database: db/production.sqlite3 | |
SQLITE | |
if ENV['db'] =~ /mysql/ | |
file 'config/database.yml', ERB.new(MYSQL_CONFIG).result(binding) | |
elsif ENV['db'] =~ /pg/ || ENV['db'] =~/post/ | |
file 'config/database.yml', ERB.new(PG_CONFIG).result(binding) | |
elsif ENV['db'] =~/sqlite/ | |
file 'config/database.yml', ERB.new(SQLITE_CONFIG).result(binding) | |
else | |
puts 'Please pass a command like ' | |
puts "rails app:template path/to/template.rb db=mysql" | |
puts "rails app:template path/to/template.rb db=pg" | |
puts "rails app:template path/to/template.rb db=postgre" | |
puts "rails app:template path/to/template.rb db=sqlite" | |
end |
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