AP-623: implement puma-plugin-delayed_stop

.ruby-version

@@ -1 +1 @@
-3.3.10
+3.3.11

Gemfile

@@ -17,6 +17,7 @@ gem 'okcomputer', '~> 1.19'
 gem 'omniauth-cas', '~> 3.0'
 gem 'omniauth-rails_csrf_protection', '~> 1.0'
 gem 'puma', '~> 5.3', '>= 5.3.1'
+gem 'puma-plugin-delayed_stop', '~> 0.1.2'
 gem 'rails', '~> 8.0.4'
 gem 'rest-client', '~> 2.1'
 gem 'sassc-rails', '~> 2.1'

Gemfile.lock

@@ -240,6 +240,8 @@ GEM
     public_suffix (7.0.0)
     puma (5.6.7)
       nio4r (~> 2.0)
+    puma-plugin-delayed_stop (0.1.2)
+      puma (>= 5.0, < 8)
     racc (1.8.1)
     rack (2.2.21)
     rack-protection (3.2.0)
@@ -445,6 +447,7 @@ DEPENDENCIES
   omniauth-cas (~> 3.0)
   omniauth-rails_csrf_protection (~> 1.0)
   puma (~> 5.3, >= 5.3.1)
+  puma-plugin-delayed_stop (~> 0.1.2)
   rails (~> 8.0.4)
   rest-client (~> 2.1)
   rspec (~> 3.10)
@@ -465,7 +468,7 @@ DEPENDENCIES
   webmock
 
 RUBY VERSION
-   ruby 3.3.10p183
+   ruby 3.3.11p205
 
 BUNDLED WITH
    2.5.22

config/puma.rb

@@ -34,6 +34,9 @@
 # process behavior so workers use less memory.
 preload_app!
 
+# enable the delayed_stop plugin to intercept signals
+plugin :delayed_stop
+
 # Allow puma to be restarted by `rails restart` command.
 plugin :tmp_restart
 

docker-compose.yml

@@ -3,6 +3,7 @@ services:
     build: .
     environment:
       - LIT_SHOW_HOMEPAGE=1
+      - PUMA_DELAYED_STOP_DRAIN_SECONDS=1
       - RAILS_ENV=development
       - RAILS_SERVE_STATIC_FILES=true
       - SECRET_KEY_BASE=foobar
@@ -15,3 +16,5 @@ services:
       - ./:/opt/app
     tty: true
     stdin_open: true
+    stop_grace_period: 30s
+    stop_signal: SIGQUIT