AWSでのデプロイについて

/home/ec2-user/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/unicorn-5.4.1/lib/unicorn/http_server.rb:205:in `pid=': Already running on PID:29842 (or pid=/var/www/baseball_app/tmp/pids/unicorn.pid is stale) (ArgumentError)
        from /home/ec2-user/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/unicorn-5.4.1/lib/unicorn/http_server.rb:137:in `start'
        from /home/ec2-user/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/unicorn-5.4.1/bin/unicorn_rails:209:in `<top (required)>'
        from /home/ec2-user/.rbenv/versions/2.6.3/bin/unicorn_rails:23:in `load'
        from /home/ec2-user/.rbenv/versions/2.6.3/bin/unicorn_rails:23:in `<main>'
I, [2022-01-10T13:45:25.432870 #29842]  INFO -- : reaped #<Process::Status: pid 29844 exit 0> worker=0
I, [2022-01-10T13:45:25.432989 #29842]  INFO -- : reaped #<Process::Status: pid 29845 exit 0> worker=1
I, [2022-01-10T13:45:25.433049 #29842]  INFO -- : master complete
I, [2022-01-10T13:45:48.639677 #30564]  INFO -- : Refreshing Gem list
I, [2022-01-10T13:45:50.888389 #30564]  INFO -- : unlinking existing socket=/var/www/baseball_app/tmp/sockets/unicorn.sock
I, [2022-01-10T13:45:50.888602 #30564]  INFO -- : listening on addr=/var/www/baseball_app/tmp/sockets/unicorn.sock fd=9
I, [2022-01-10T13:45:50.894775 #30564]  INFO -- : master process ready
I, [2022-01-10T13:45:50.898329 #30567]  INFO -- : worker=1 ready
I, [2022-01-10T13:45:50.899697 #30566]  INFO -- : worker=0 ready

# rootパスのディレクトリを指定
root_path = File.expand_path('../../', __FILE__)

# アプリケーションサーバの性能を決定する
worker_processes 2

# アプリケーションの設置されているディレクトリを指定
working_directory root_path

# プロセスIDの保存先を指定
pid "#{root_path}/tmp/pids/unicorn.pid"

# ポート番号を指定
listen "#{root_path}/tmp/sockets/unicorn.sock"

# エラーのログを記録するファイルを指定
stderr_path "#{root_path}/log/unicorn.stderr.log"

# 通常のログを記録するファイルを指定
stdout_path "#{root_path}/log/unicorn.stdout.log"

#応答時間を待つ上限時間を設定
timeout 30

# ダウンタイムなしでUnicornを再起動時する
preload_app true

GC.respond_to?(:copy_on_write_friendly=) && GC.copy_on_write_friendly = true

check_client_connection false

run_once = true

before_fork do |server, worker|
  defined?(ActiveRecord::Base) &&
    ActiveRecord::Base.connection.disconnect!

  if run_once
    run_once = false # prevent from firing again
  end

  old_pid = "#{server.config[:pid]}.oldbin"
  if File.exist?(old_pid) && server.pid != old_pid
    begin
      sig = (worker.nr + 1) >= server.worker_processes ? :QUIT : :TTOU
      Process.kill(sig, File.read(old_pid).to_i)
    rescue Errno::ENOENT, Errno::ESRCH => e
      logger.error e
    end
  end
end

after_fork do |_server, _worker|
  defined?(ActiveRecord::Base) && ActiveRecord::Base.establish_connection
end

# SQLite version 3.x
#   gem install sqlite3
#
#   Ensure the SQLite 3 gem is defined in your Gemfile
#   gem 'sqlite3'
#
default: &default
  adapter: sqlite3
  pool: 5
  timeout: 5000

development:
  <<: *default
  database: db/development.sqlite3

# Warning: The database defined as "test" will be erased and
# re-generated from your development database when you run "rake".
# Do not set this db to the same as development or production.
test:
  <<: *default
  database: db/test.sqlite3

production:
  <<: *default
  database: baseball_app_production
 username: root
  password: <%= ENV['DATABASE_PASSWORD'] %>
  socket: /var/lib/mysql/mysql.sock

# Be sure to restart your server when you modify this file.

# Your secret key is used for verifying the integrity of signed cookies.
# If you change this key, all old signed cookies will become invalid!

# Make sure the secret is at least 30 characters and all random,
# no regular words or you'll be exposed to dictionary attacks.
# You can use `rails secret` to generate a secure secret key.

# Make sure the secrets in this file are kept private
# if you're sharing your code publicly.

development:
  secret_key_base: 9f480ef386f1a6f117fd4338c99ae0c2c9f8ce273e9f0cba06c39f307a77f6e1bd884f3e557caa55fdc3fcee654a679ae4210ce825a1cd78a0d47dde620abbef

test:
  secret_key_base: e52bace9b051a540e8dcef4b1696ff1a3ee6789a8aba22330bc541fecf4d0172ec8cc6cb9f9e94e55624eac4e0c62683d59a7cda9e24f427a34b56ae06367060

# Do not keep production secrets in the repository,
# instead read values from the environment.
production:
  secret_key_base: <%= ENV["SECRET_KEY_BASE"] %>

  aws:
  access_key_id: 123
  #=> Rails.application.credentials.aws[:access_key_id]
  secret_key_base:  9f480ef386f1a6f117fd4338c99ae0c2c9f8ce273e9f0cba06c39f307a77f6e1bd884f3e557caa55fdc3fcee654a679ae4210ce825a1cd78a0d47dde620abbef
  #=> Rails.application.credentials.secret_key_base