feat(build)!: Change to use debian base images

.github/workflows/container.yaml

@@ -21,20 +21,16 @@ jobs:
       # Go hard on the builders
       max-parallel: 5
       matrix:
-        alpine-version: ['3.20', '3.19']
+        debian-version: ['bookworm', 'bullseye']
         ruby-version: ['3.3.6', '3.3.5', '3.3.4']
-        # Only 3.3.6 is published (to docker.io) for 3.21, so we include only that here.
-        include:
-          - alpine-version: '3.21'
-            ruby-version: '3.3.6'
     steps:
       -
         name: Checkout repository
         uses: actions/checkout@v4
       -
         name: Publish to ghcr.io
         env:
-          ALPINE_VERSION: ${{ matrix.alpine-version }}
+          DEBIAN_VERSION: ${{ matrix.debian-version }}
           REGISTRY_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           RUBY_VERSION: ${{ matrix.ruby-version }}
           TAG: ${{ github.event.inputs.tag || '' }}
@@ -58,7 +54,7 @@ jobs:
           [ "$TRACE" = 'true' ] && printf 'Calling ./ci/build_image.sh -vvp "%s"\n' "$version" >&2
           IMAGE_NAME=$(basename "$GITHUB_REPOSITORY")  \
           GITHUB_TOKEN=$REGISTRY_TOKEN \
-          ALPINE_VERSION=$ALPINE_VERSION \
+          DEBIAN_VERSION=$DEBIAN_VERSION \
           RUBY_VERSION=$RUBY_VERSION \
             ./ci/build_image.sh -vvp "$version"
         # yamllint enable rule:line-length

ci/build_image.sh

@@ -25,15 +25,15 @@ cd "$repo_top" || {
 }
 
 base_dir=$(basename "$(pwd)")
-: "${ALPINE_VERSION:=3.20}"
+: "${DEBIAN_VERSION:=bookworm}"
 : "${BUILD_CONTEXT:=$(pwd)}"
 : "${IMAGE_NAME:=$base_dir}"
 : "${LICENSE:=MIT}"
 : "${REGISTRY:=ghcr.io}"
-: "${RUBY_VERSION:=3.3.4}"
+: "${RUBY_VERSION:=3.3.6}"
 : "${REGISTRY_TOKEN:=$GITHUB_TOKEN}"
 
-base_image_tag="$RUBY_VERSION-alpine$ALPINE_VERSION"
+base_image_tag="$RUBY_VERSION-$DEBIAN_VERSION"
 base_exists=$(skopeo list-tags docker://docker.io/ruby |jq -r "any(.Tags[] == \"$base_image_tag\"; .)")
 if [ "$base_exists" = "false" ]
 then
@@ -209,7 +209,7 @@ fi
 service=$(basename "$owner_and_repo" .git)
 owner=$(dirname "$owner_and_repo")
 
-full_tag=$IMAGE_NAME:$tag-ruby$RUBY_VERSION-alpine$ALPINE_VERSION
+full_tag=$IMAGE_NAME:$tag-ruby$RUBY_VERSION-$DEBIAN_VERSION
 # Pass any extra arguments to the build command ("$@" contains the rest of the arguments)
 $runtime build --tag "$full_tag" "$@" \
                --label org.opencontainers.image.created="$(date --utc --iso-8601=seconds)" \
@@ -221,7 +221,7 @@ $runtime build --tag "$full_tag" "$@" \
                --label org.opencontainers.image.source="Generated by ruby-automation's build_image.sh ($USER@$HOSTNAME)" \
                --label org.opencontainers.image.version="$full_tag" \
                --label shortref="$shortref" \
-               --build-arg ALPINE_VERSION="$ALPINE_VERSION" \
+               --build-arg DEBIAN_VERSION="$DEBIAN_VERSION" \
                --build-arg RUBY_VERSION="$RUBY_VERSION" \
                -f "$containerfile" "$BUILD_CONTEXT" || die 8 "Failed to build image"
 
@@ -237,7 +237,7 @@ fi
 mapfile -t tags < <(echo "$tag" | awk -F'.' 'NF==3{print; print $1"."$2; print $1; next} NF==2{print; print $1; next} {print}')
 for t in "${tags[@]}"
 do
-    new_tag=$IMAGE_NAME:$t-ruby$RUBY_VERSION-alpine$ALPINE_VERSION
+    new_tag=$IMAGE_NAME:$t-ruby$RUBY_VERSION-$DEBIAN_VERSION
     registry_image_name="$REGISTRY/$owner/$new_tag"
     if [ "$runtime" = "podman" ]
     then

oci/Containerfile

@@ -1,6 +1,6 @@
-ARG ALPINE_VERSION=3.20
-ARG RUBY_VERSION=3.3.4
-FROM docker.io/ruby:$RUBY_VERSION-alpine$ALPINE_VERSION AS build-env
+ARG DEBIAN_VERSION=bookworm
+ARG RUBY_VERSION=3.3.6
+FROM docker.io/ruby:$RUBY_VERSION-$DEBIAN_VERSION AS build-env
 
 # Setting env up
 ARG APP_ROOT=/app
@@ -9,7 +9,7 @@ ENV LANG C.UTF-8
 ENV BUNDLE_SILENCE_ROOT_WARNING=1
 
 #Install dependencies needed for compilation
-RUN apk --no-cache add curl ruby-dev build-base git
+RUN apt-get update && apt-get install -qy build-essential curl git
 
 WORKDIR $APP_ROOT
 
@@ -33,17 +33,17 @@ RUN bundle config set build.nokogiri --use-system-libraries && \
 RUN rm -rf node_modules tmp/cache app/assets vendor/assets spec
 
 ############### Build step done ###############
-ARG ALPINE_VERSION=3.20
-ARG RUBY_VERSION=3.3.4
-FROM docker.io/ruby:$RUBY_VERSION-alpine$ALPINE_VERSION
+ARG DEBIAN_VERSION=bookworm
+ARG RUBY_VERSION=3.3.6
+FROM docker.io/ruby:$RUBY_VERSION-$DEBIAN_VERSION
 
 ARG APP_ROOT=/app
 
 WORKDIR $APP_ROOT
 
 # install packages
-RUN apk --update --no-cache add coreutils curl bash runit
+RUN apt-get update && apt-get install -qy curl bash runit
 COPY --from=build-env /usr/local/bundle/ /usr/local/bundle/
 COPY --from=build-env /bin/snooze /bin/snooze
 
-CMD ['/bin/sh']
+CMD ['/bin/bash']