Update to Debian Bullseye, Alpine 3.15

Author: tianon

4.0/Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:2.6-slim-buster
+FROM ruby:2.6-slim-bullseye
 
 # explicitly set uid/gid to guarantee that it won't change in the future
 # the values 999:999 are identical to the current user/group id assigned

4.0/alpine/Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:2.6-alpine3.13
+FROM ruby:2.6-alpine3.15
 
 # explicitly set uid/gid to guarantee that it won't change in the future
 # the values 999:999 are identical to the current user/group id assigned

4.1/Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:2.6-slim-buster
+FROM ruby:2.6-slim-bullseye
 
 # explicitly set uid/gid to guarantee that it won't change in the future
 # the values 999:999 are identical to the current user/group id assigned

4.1/alpine/Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:2.6-alpine3.13
+FROM ruby:2.6-alpine3.15
 
 # explicitly set uid/gid to guarantee that it won't change in the future
 # the values 999:999 are identical to the current user/group id assigned

4.2/Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:2.7-slim-buster
+FROM ruby:2.7-slim-bullseye
 
 # explicitly set uid/gid to guarantee that it won't change in the future
 # the values 999:999 are identical to the current user/group id assigned

4.2/alpine/Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:2.7-alpine3.13
+FROM ruby:2.7-alpine3.15
 
 # explicitly set uid/gid to guarantee that it won't change in the future
 # the values 999:999 are identical to the current user/group id assigned

Dockerfile-alpine.template

@@ -1,4 +1,4 @@
-FROM ruby:%%RUBY_VERSION%%-alpine3.13
+FROM ruby:%%RUBY_VERSION%%-alpine3.15
 
 # explicitly set uid/gid to guarantee that it won't change in the future
 # the values 999:999 are identical to the current user/group id assigned

Dockerfile-debian.template

@@ -1,4 +1,4 @@
-FROM ruby:%%RUBY_VERSION%%-slim-buster
+FROM ruby:%%RUBY_VERSION%%-slim-bullseye
 
 # explicitly set uid/gid to guarantee that it won't change in the future
 # the values 999:999 are identical to the current user/group id assigned