Update Ruby version to 4 in Dockerfile and related documentation

Author: sireeshajonnalagadda

src/ruby-rails-postgres/.devcontainer/Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/devcontainers/ruby:2-${templateOption:imageVariant}
+FROM mcr.microsoft.com/devcontainers/ruby:3-${templateOption:imageVariant}
 
 # Install Rails
 RUN su vscode -c "gem install rails webdrivers"

src/ruby-rails-postgres/README.md

@@ -7,7 +7,7 @@ Develop Ruby on Rails applications with Postgres. Includes a Rails application c
 
 | Options Id | Description | Type | Default Value |
 |-----|-----|-----|-----|
-| imageVariant | Ruby version (use -trixie, -bookworm, -bullseye variants on local arm64/Apple Silicon) : | string | 3.4-trixie |
+| imageVariant | Ruby version (use -trixie, -bookworm, -bullseye variants on local arm64/Apple Silicon) : | string | 4-trixie |
 
 This template references an image that was [pre-built](https://containers.dev/implementors/reference/#prebuilding) to automatically include needed devcontainer.json metadata.
 

src/ruby-rails-postgres/devcontainer-template.json

@@ -1,6 +1,6 @@
 {
     "id": "ruby-rails-postgres",
-    "version": "5.0.0",
+    "version": "6.0.0",
     "name": "Ruby on Rails & Postgres",
     "description": "Develop Ruby on Rails applications with Postgres. Includes a Rails application container and PostgreSQL server.",
     "documentationURL": "https://github.com/devcontainers/templates/tree/main/src/ruby-rails-postgres",
@@ -11,15 +11,15 @@
             "type": "string",
             "description": "Ruby version (use -bookworm, -bullseye variants on local arm64/Apple Silicon):",
             "proposals": [
-                "3-trixie",
+                "4-trixie",
                 "3.4-trixie",
                 "3.3-trixie",
                 "3.2-trixie",				
-                "3-bookworm",
+                "4-bookworm",
                 "3.4-bookworm",
                 "3.3-bookworm",
                 "3.2-bookworm",
-                "3-bullseye",
+                "4-bullseye",
                 "3.4-bullseye",				
                 "3.3-bullseye",
                 "3.2-bullseye"

src/ruby/README.md

@@ -7,7 +7,7 @@ Develop Ruby based applications. includes everything you need to get up and runn
 
 | Options Id | Description | Type | Default Value |
 |-----|-----|-----|-----|
-| imageVariant | Ruby version (use -trixie, -bookworm, -bullseye variants on local arm64/Apple Silicon) : | string | 3.4-trixie |
+| imageVariant | Ruby version (use -trixie, -bookworm, -bullseye variants on local arm64/Apple Silicon) : | string | 4-trixie |
 
 This template references an image that was [pre-built](https://containers.dev/implementors/reference/#prebuilding) to automatically include needed devcontainer.json metadata.
 

src/ruby/devcontainer-template.json

@@ -1,6 +1,6 @@
 {
     "id": "ruby",
-    "version": "5.0.0",
+    "version": "6.0.0",
     "name": "Ruby",
     "description": "Develop Ruby based applications. includes everything you need to get up and running.",
     "documentationURL": "https://github.com/devcontainers/templates/tree/main/src/ruby",
@@ -11,20 +11,20 @@
             "type": "string",
             "description": "Ruby version (use -trixie, -bookworm, -bullseye variants on local arm64/Apple Silicon):",
             "proposals": [
-                "3-trixie",
+                "4-trixie",
                 "3.4-trixie",				
                 "3.3-trixie",
                 "3.2-trixie",				
-                "3-bookworm",
+                "4-bookworm",
                 "3.4-bookworm",				
                 "3.3-bookworm",
                 "3.2-bookworm",
-                "3-bullseye",
+                "4-bullseye",
                 "3.4-bullseye",				
                 "3.3-bullseye",
                 "3.2-bullseye"
             ],
-            "default": "3.4-trixie"
+            "default": "4-trixie"
         }
     },
     "platforms": ["Ruby"],