Starts a basic docker-compose file
Used 29 times
J
Javier Lafora
Usage
Run this command in your Rails app directory in the terminal:
rails app:template LOCATION="https://railsbytes.com/script/VdrsD5"Template Source
Review the code before running this template on your machine.
def do_commit
git :init
git add: "."
git commit: " -m 'Adds docker-compose for local development' "
end
config = { "version" => "3.1" }
if File.exist?('docker-compose.yml')
config = YAML.load_file('docker-compose.yml')
end
config["services"] ||= {}
config["volumes"] ||= {}
config["volumes"]["postgres"] = {}
config["services"]["postgres"] = {
"image" => "postgres",
"restart" => "always",
"environment" => {
"POSTGRES_USER" => app_name,
"POSTGRES_PASSWORD" => app_name
},
"volumes" => ["postgres:/var/lib/postgresql"],
"ports" => ["5432:5432"]
}
create_file 'config/database.yml' do <<~EOF
default: &default
adapter: postgresql
encoding: unicode
pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
development:
<<: *default
database: #{app_name}_development
username: #{app_name}
password: #{app_name}
host: localhost
port: 5432
test:
<<: *default
database: #{app_name}_test
username: #{app_name}
password: #{app_name}
host: localhost
port: 5432
production:
<<: *default
url: <%= ENV['DATABASE_URL'] %>
EOF
end
config["volumes"]["redis"] = {}
config["services"]["redis"] = {
"image" => "redis",
"restart" => "always",
"volumes" => ["redis:/data"],
"ports" => ["6379:6379"],
}
config["services"]["mailcatcher"] = {
"image" => "tophfr/mailcatcher",
"ports" => ["1080:80", "25:25"]
}
create_file "docker-compose.yml", config.to_yaml
do_commit