/app/app.d/{version (int)}
/app/app -> /app/app.d/{version} # symlink
/app/prev -> /app/app.d/{version-1} # symlink

[12357] - Starting phased worker restart, phase: 4
[12357] - Starting phased worker restart, phase: 4
[12357] + Changing to /var/local/app/app
[12357] + Changing to /var/local/app/app
[12357] - Stopping 28107 for phased upgrade...
[12357] - Stopping 28107 for phased upgrade...
[12357] - TERM sent to 28107...
[12357] - TERM sent to 28107...
[7886] + Gemfile in context: /var/local/app/app.d/909/Gemfile
[7886] + Gemfile in context: /var/local/app/app.d/909/Gemfile
[7886] Early termination of worker
[7886] Early termination of worker
[7944] + Gemfile in context: /var/local/app/app.d/909/Gemfile
[7944] + Gemfile in context: /var/local/app/app.d/909/Gemfile
/usr/lib/ruby/site_ruby/2.5.0/bundler/spec_set.rb:91:in `block in materialize': Could not find nio4r-2.5.1 in any of the sources (Bundler::GemNotFound/usr/lib/ruby/site_ruby/2.5.0
/bundler/spec_set.rb:91:in `block in materialize': Could not find nio4r-2.5.1 in any of the sources (Bundler::GemNotFound)
)
        from /usr/lib/ruby/site_ruby/2.5.0/bundler/spec_set.rb:85:in `map!'
        from /usr/lib/ruby/site_ruby/2.5.0/bundler/spec_set.rb:85:in `materialize'
        from /usr/lib/ruby/site_ruby/2.5.0/bundler/definition.rb:170:in `specs'
        from /usr/lib/ruby/site_ruby/2.5.0/bundler/definition.rb:237:in `specs_for'
        from /usr/lib/ruby/site_ruby/2.5.0/bundler/definition.rb:226:in `requested_specs'
        from /usr/lib/ruby/site_ruby/2.5.0/bundler/runtime.rb:108:in `block in definition_method'
        from /usr/lib/ruby/site_ruby/2.5.0/bundler/runtime.rb:20:in `setup'
        from /usr/lib/ruby/site_ruby/2.5.0/bundler/spec_set.rb:85:in `map!'
        from /usr/lib/ruby/site_ruby/2.5.0/bundler/spec_set.rb:85:in `materialize'
        from /usr/lib/ruby/site_ruby/2.5.0/bundler/definition.rb:170:in `specs'
        from /usr/lib/ruby/site_ruby/2.5.0/bundler/definition.rb:237:in `specs_for'
        from /usr/lib/ruby/site_ruby/2.5.0/bundler/definition.rb:226:in `requested_specs'
        from /usr/lib/ruby/site_ruby/2.5.0/bundler/runtime.rb:108:in `block in definition_method'
        from /usr/lib/ruby/site_ruby/2.5.0/bundler/runtime.rb:20:in `setup'
        from /usr/lib/ruby/site_ruby/2.5.0/bundler.rb:107:in `setup'
        from /usr/lib/ruby/site_ruby/2.5.0/bundler.rb:107:in `setup'
        from /usr/lib/ruby/site_ruby/2.5.0/bundler/setup.rb:20:in `<top (required)>'
        from /usr/lib/ruby/site_ruby/2.5.0/bundler/setup.rb:20:in `<top (required)>'
        from /usr/lib/ruby/site_ruby/2.5.0/rubygems/core_ext/kernel_require.rb:54:in `require'
        from /usr/lib/ruby/site_ruby/2.5.0/rubygems/core_ext/kernel_require.rb:54:in `require'
        from /usr/lib/ruby/site_ruby/2.5.0/rubygems/core_ext/kernel_require.rb:54:in `require'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/configuration.rb:302:in `rack_builder'
        from /usr/lib/ruby/site_ruby/2.5.0/rubygems/core_ext/kernel_require.rb:54:in `require'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/configuration.rb:302:in `rack_builder'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/configuration.rb:321:in `load_rackup'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/configuration.rb:321:in `load_rackup'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/configuration.rb:246:in `app'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/configuration.rb:246:in `app'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/runner.rb:158:in `app'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/runner.rb:158:in `app'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/runner.rb:165:in `start_server'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/runner.rb:165:in `start_server'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/cluster.rb:269:in `worker'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/cluster.rb:269:in `worker'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/cluster.rb:138:in `block (2 levels) in spawn_workers'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/cluster.rb:138:in `block (2 levels) in spawn_workers'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/cluster.rb:138:in `fork'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/cluster.rb:138:in `fork'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/cluster.rb:138:in `block in spawn_workers'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/cluster.rb:134:in `times'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/cluster.rb:138:in `block in spawn_workers'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/cluster.rb:134:in `times'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/cluster.rb:134:in `spawn_workers'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/cluster.rb:134:in `spawn_workers'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/cluster.rb:204:in `check_workers'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/cluster.rb:204:in `check_workers'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/cluster.rb:487:in `run'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/cluster.rb:487:in `run'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/launcher.rb:172:in `run'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/launcher.rb:172:in `run'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/cli.rb:80:in `run'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/lib/puma/cli.rb:80:in `run'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/bin/puma-wild:31:in `<main>'
        from /var/local/app/app.d/906/vendor/bundle/ruby/2.5.0/gems/puma-4.2.1/bin/puma-wild:31:in `<main>'
[8048] + Gemfile in context: /var/local/app/app.d/909/Gemfile
[8048] + Gemfile in context: /var/local/app/app.d/909/Gemfile

#!/usr/bin/env puma

# The directory to operate out of.
#
# The default is the current directory.
#
directory "/var/local/app/app"

# Set the environment in which the rack's app will run. The value must be a string.
#
# The default is "development".
#
environment ENV["RAILS_ENV"] || "development"

# Store the pid of the server in the file at "path".
#
pidfile "/var/run/puma/puma.pid"

# Use "path" as the file to store the server info state. This is
# used by "pumactl" to query and control the server.
#
state_path "/var/run/puma/puma.state"

# Redirect STDOUT and STDERR to files specified. The 3rd parameter
# ("append") specifies whether the output is appended, the default is
# "false".
#
stdout_redirect "/var/log/puma.log", "/var/log/puma.log", true

# Configure "min" to be the minimum number of threads to use to answer
# requests and "max" the maximum.
#
# The default is "0, 16".
#
# threads 0, 16
threads 8, 8


# Bind the server to "url". "tcp://", "unix://" and "ssl://" are the only
# accepted protocols.
#
# The default is "tcp://0.0.0.0:9292".
#
bind 'unix:///var/run/puma/puma.sock'


# === Cluster mode ===

# How many worker processes to run.  Typically this is set to
# to the number of available cores.
#
# The default is "0".
#
workers ENV["PUMA_WORKERS"] || 16

# Allow workers to reload bundler context when master process is issued
# a USR1 signal. This allows proper reloading of gems while the master
# is preserved across a phased-restart. (incompatible with preload_app)
# (off by default)

# see https://github.com/puma/puma/blob/master/docs/deployment.md#restarting
prune_bundler