WIP on github workflows

.github/workflows/build.yml

@@ -5,14 +5,24 @@ on:
   workflow_dispatch:
   # schedule:
   #   - cron: '0 0 * * *' # runs every day at midnight
+#
+defaults:
+  run:
+    shell: bash -euo pipefail {0}
 
 jobs:
   build-and-push:
     runs-on: ubuntu-latest
+    concurrency:
+      group: ${{ github.repository }}-${{ github.workflow_ref }}-${{ matrix.alpine_version }}-build
+      cancel-in-progress: false
+    timeout-minutes: 20
     strategy:
+      fail-fast: false
       matrix:
         alpine_version:
-          - 2.7
+          - latest
+          - edge
           - 3.1
           - 3.2
           - 3.3
@@ -32,8 +42,6 @@ jobs:
           - 3.17
           - 3.18
           - 3.19
-          - latest
-          - edge
 
     steps:
       - name: Check out code
@@ -48,17 +56,15 @@ jobs:
       - name: Build and Push Image
         run: |
           if [ -f "Dockerfile-${{ matrix.alpine_version }}" ]; then
-            DOCKERFILE=Dockerfile-${{ matrix.alpine_version }}
+            DOCKERFILE="Dockerfile-${{ matrix.alpine_version }}"
           else
-            DOCKERFILE=Dockerfile
+            DOCKERFILE="Dockerfile"
           fi
 
           docker buildx build \
             --push \
-            --pull \
-            --quiet \
             --platform linux/amd64,linux/arm64 \
             --tag andrius/alpine-ruby:${{ matrix.alpine_version }} \
             --build-arg ALPINE_VERSION=${{ matrix.alpine_version }} \
-            --file $DOCKERFILE
+            --file $DOCKERFILE \
             .

Dockerfile

@@ -6,26 +6,29 @@ LABEL "org.opencontainers.image.authors"="Andrius Kairiukstis <[email protected]>"
 LABEL "org.opencontainers.image.source"="https://github.com/andrius/alpine-ruby"
 LABEL "org.opencontainers.image.description"="Minimal dockerized ruby based on alpine-linux"
 
-ENV NOKOGIRI_USE_SYSTEM_LIBRARIES=1
 
-ADD gemrc /root/.gemrc
 
-RUN apk update && apk add \
+RUN apk --no-cache add \
+  ca-certificates \
+  less \
+  libressl \
   ruby \
-  ruby-etc \
   ruby-bigdecimal \
+  ruby-etc \
   ruby-io-console \
-  ruby-irb \
-  ca-certificates \
-  libressl \
-  less \
-  : \
-  && apk add --virtual .build-dependencies build-base ruby-dev libressl-dev \
-  && gem install bundler || apk add ruby-bundler \
+  ruby-irb
+
+# The following is needed for nokogiri
+ENV NOKOGIRI_USE_SYSTEM_LIBRARIES=1
+
+# It tries to install ruby bundler with failback to apk version and nokoiri
+RUN apk add --no-cache --virtual .build-dependencies build-base ruby-dev libressl-dev \
+  && ( gem install --no-rdoc --no-ri bundler || gem install --no-rdoc --no-ri bundler '~> 2.0' || apk add ruby-bundler ) \
+  && gem install --no-rdoc --no-ri json \
   && bundle config build.nokogiri --use-system-libraries \
   && bundle config git.allow_insecure true \
-  && gem install json \
-  : \
   && gem cleanup \
-  && apk del .build-dependencies \
-  && rm -rf /usr/lib/ruby/gems/*/cache/* /var/cache/apk/* /tmp/* /var/tmp/*
+  && rm -rf /usr/lib/ruby/gems/*/cache/* \
+  && apk del .build-dependencies 
+
+COPY gemrc /root/.gemrc