chore(deps): update ruby docker tag to v4

renovate[bot] · web-flow · commit a78ce26e61ee · 2026-01-20T08:06:00.000Z
diff --git a/.ruby-version b/.ruby-version
@@ -1 +1 @@
-3.4.4
+4.0.1
diff --git a/bosh-cli-v2-cf-cli/bosh-cli-v2-cf-cli_spec.rb b/bosh-cli-v2-cf-cli/bosh-cli-v2-cf-cli_spec.rb
@@ -9,7 +9,7 @@
 BOSH_ENV_DEPS = "build-essential zlib1g-dev openssl libxslt1-dev libxml2-dev \
     libssl-dev libreadline8 libreadline-dev libyaml-dev libsqlite3-dev sqlite3"
 CF_ENV_DEPS = "unzip curl openssl ca-certificates git libc6 bash jq gettext make"
-RUBY_VERSION = "3.4"
+RUBY_VERSION = "4.0"
 
 describe "bosh-cli-v2-cf-cli image" do
   before(:all) {
diff --git a/bosh-cli-v2/bosh-cli-v2_spec.rb b/bosh-cli-v2/bosh-cli-v2_spec.rb
@@ -4,7 +4,7 @@
 
 BOSH_CLI_VERSION="7.9.15" # renovate: datasource=github-releases depName=cloudfoundry/bosh-cli
 CREDHUB_CLI_VERSION='2.9.52' # renovate: datasource=github-releases depName=cloudfoundry/credhub-cli
-RUBY_VERSION = "3.4"
+RUBY_VERSION = "4.0"
 
 BOSH_ENV_DEPS = "build-essential zlib1g-dev openssl libxslt1-dev libxml2-dev \
     libssl-dev libreadline8 libreadline-dev libyaml-dev libsqlite3-dev sqlite3"
diff --git a/cf-cli/Dockerfile b/cf-cli/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.4-alpine3.22
+FROM ruby:4.0-alpine3.22@sha256:1d2ea1f6832c95a2ced4c890df583baa7573cda8f3a33027d7118cf226e1708c
 
 ENV PACKAGES "unzip curl openssl ca-certificates git libc6-compat bash jq gettext make"
 # renovate: datasource=github-releases depName=cloudfoundry/cli
diff --git a/cf-cli/cf-cli_spec.rb b/cf-cli/cf-cli_spec.rb
@@ -5,7 +5,7 @@
 CF_CLI_VERSION="8.17.0" # renovate: datasource=github-releases depName=cloudfoundry/cli
 SPRUCE_BIN = "/usr/local/bin/spruce"
 SPRUCE_VERSION = "1.31.1" # renovate: datasource=github-releases depName=geofffranks/spruce
-RUBY_VERSION = "3.4"
+RUBY_VERSION = "4.0"
 
 describe "cf-cli image" do
   before(:all) {
diff --git a/k8s-tools/Dockerfile b/k8s-tools/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.4-slim
+FROM ruby:4.0-slim@sha256:d13278cf83bad7b0d01913e13f0efd46ffa049d976548d98b542d586e046b3e5
 
 # we use libc6 instead of libc6-compat as we do not use alpine base image
 ENV PACKAGES "unzip curl openssl ca-certificates git libc6 bash jq gettext"
diff --git a/k8s-tools/k8s-tools_spec.rb b/k8s-tools/k8s-tools_spec.rb
@@ -10,7 +10,7 @@
 KUBECTL_VERSION="1.32.11" # renovate: datasource=github-tags depName=kubernetes/kubectl
 HELM_VERSION="3.14.4" # renovate: datasource=github-releases depName=helm/helm
 KUTTL_VERSION="0.24.0" # renovate: datasource=github-releases depName=kudobuilder/kuttl
-RUBY_VERSION = "3.4"
+RUBY_VERSION = "4.0"
 
 DEPS = "unzip curl openssl ca-certificates git libc6 bash jq gettext"
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-FROM ruby:3.4-alpine3.22`
	`1`	`+FROM ruby:4.0-alpine3.22@sha256:1d2ea1f6832c95a2ced4c890df583baa7573cda8f3a33027d7118cf226e1708c`
`2`	`2`
`3`	`3`	`ENV PACKAGES "unzip curl openssl ca-certificates git libc6-compat bash jq gettext make"`
`4`	`4`	`# renovate: datasource=github-releases depName=cloudfoundry/cli`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-FROM ruby:3.4-slim`
	`1`	`+FROM ruby:4.0-slim@sha256:d13278cf83bad7b0d01913e13f0efd46ffa049d976548d98b542d586e046b3e5`
`2`	`2`
`3`	`3`	`# we use libc6 instead of libc6-compat as we do not use alpine base image`
`4`	`4`	`ENV PACKAGES "unzip curl openssl ca-certificates git libc6 bash jq gettext"`