Update to Ruby 4.0.6.

.devcontainer/Dockerfile

@@ -1,5 +1,5 @@
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version
-ARG RUBY_VERSION=4.0.2
+ARG RUBY_VERSION=4.0.6
 FROM ghcr.io/rails/devcontainer/images/ruby:$RUBY_VERSION
 
 # Ensure binding is always 0.0.0.0

.ruby-version

@@ -1 +1 @@
-4.0.2
+4.0.6

Gemfile.lock

@@ -88,7 +88,7 @@ GEM
     bundler-audit (0.9.3)
       bundler (>= 1.2.0)
       thor (~> 1.0)
-    concurrent-ruby (1.3.7)
+    concurrent-ruby (1.3.8)
     connection_pool (3.0.2)
     crass (1.0.7)
     date (3.5.1)
@@ -99,7 +99,7 @@ GEM
     dotenv (3.2.0)
     drb (2.2.3)
     ed25519 (1.4.0)
-    erb (6.0.4)
+    erb (6.0.6)
     erubi (1.13.1)
     et-orbi (1.4.0)
       tzinfo
@@ -140,7 +140,7 @@ GEM
     language_server-protocol (3.17.0.6)
     lint_roller (1.1.0)
     logger (1.7.0)
-    loofah (2.25.1)
+    loofah (2.25.2)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     mail (2.9.1)
@@ -180,7 +180,7 @@ GEM
       racc (~> 1.4)
     ostruct (0.6.3)
     parallel (2.1.0)
-    parser (3.3.11.1)
+    parser (3.3.12.0)
       ast (~> 2.4.1)
       racc
     pg (1.6.3-aarch64-linux)
@@ -228,8 +228,8 @@ GEM
       activesupport (>= 5.0.0)
       minitest
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.7.0)
-      loofah (~> 2.25)
+    rails-html-sanitizer (1.7.1)
+      loofah (~> 2.25, >= 2.25.2)
       nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
     railties (8.1.3)
       actionpack (= 8.1.3)
@@ -325,9 +325,9 @@ GEM
       net-ssh (>= 2.8.0)
       ostruct
     thor (1.5.0)
-    thruster (0.1.22-aarch64-linux)
-    thruster (0.1.22-arm64-darwin)
-    thruster (0.1.22-x86_64-darwin)
+    thruster (0.1.23-aarch64-linux)
+    thruster (0.1.23-arm64-darwin)
+    thruster (0.1.23-x86_64-darwin)
     timeout (0.6.1)
     tsort (0.2.0)
     tzinfo (2.0.6)
@@ -381,4 +381,4 @@ DEPENDENCIES
   web-console
 
 BUNDLED WITH
-  4.0.8
+  4.0.16

README.md

@@ -6,15 +6,15 @@ The purpose of this example is to provide details as to how one would go about u
 
 ## Software requirements
 
-- Docker Desktop 4.30.0 or newer
+- Docker Desktop 4.83.0 or newer
 
-- PostgreSQL 18.3 or newer
+- PostgreSQL 18.4 or newer
 
 - Rails 8.1.2 or newer
 
-- Ruby 4.0.2 or newer
+- Ruby 4.0.6 or newer
 
-Note: This tutorial was updated on macOS 26.3.1 (Tahoe). Docker Desktop is ony needed if you're following the `Docker Installation`.
+Note: This tutorial was updated on macOS 26.5.2 (Tahoe). Docker Desktop is ony needed if you're following the `Docker Installation`.
 
 ## Communication