Updated setup

.github/workflows/ci.yaml

@@ -13,14 +13,12 @@ jobs:
     outputs:
       versions: ${{ steps.fetch.outputs.versions }}
     steps:
-      - id: fetch
-        name: Fetch Kotlin versions
+      - name: Fetch Kotlin versions
+        id: fetch
         env:
           GH_TOKEN: ${{ github.token }}
         run: |
-          VERSIONS=$(gh --repo JetBrains/kotlin release list --exclude-drafts --exclude-pre-releases --json tagName --jq '[.[].tagName]')
-          
-          echo "versions=$VERSIONS" >> "$GITHUB_OUTPUT"
+          echo "versions=$(gh --repo JetBrains/kotlin release list --exclude-drafts --exclude-pre-releases --json tagName,isLatest --jq '[.[] | select(.isLatest) | .tagName | sub("^v"; "")]')" >> "$GITHUB_OUTPUT"
 
   build:
     runs-on: ubuntu-latest
@@ -29,23 +27,20 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        bases:
-          - eclipse-temurin:8
-          - eclipse-temurin:8-alpine
-          - eclipse-temurin:11
-          - eclipse-temurin:11-alpine
-          - eclipse-temurin:17
-          - eclipse-temurin:17-alpine
-          - eclipse-temurin:21
-          - eclipse-temurin:21-alpine
+        kotlin: ${{ fromJSON(needs.fetch-versions.outputs.versions) }}
+        java-version:
+          - 21
+        java-vendor:
+          - eclipse-temurin
+        distribution:
+          - alpine
+          - ubuntu
         platform:
-          - linux/i386
           - linux/amd64
           - linux/arm/v5
           - linux/arm/v6
           - linux/arm/v7
           - linux/arm64
-        versions: ${{ fromJSON(needs.fetch-versions.outputs.versions) }}
     steps:
       - name: Prepare
         run: |
@@ -70,6 +65,11 @@ jobs:
         uses: docker/build-push-action@v6
         with:
           platforms: ${{ matrix.platform }}
+          build-args: |
+            KOTLIN_VERSION=${{ matrix.kotlin }}
+            JAVA_VERSION=${{ matrix.java-version }}
+            JAVA_VENDOR=${{ matrix.java-vendor }}
+            DISTRIBUTION=${{ matrix.distribution }}
           labels: ${{ steps.meta.outputs.labels }}
           outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=true
       - name: Export digest

Dockerfile

@@ -1,20 +1,24 @@
-ARG BASE=eclipse-temurin:21-alpine
+ARG DISTRIBUTION=ubuntu
+ARG JAVA_VENDOR=eclipse-temurin
+ARG JAVA_VERSION=21
 
-FROM $BASE
+FROM eclipse-temurin:${JAVA_VERSION} as ubuntu
+RUN apt-get update && \
+    apt-get install -y curl bash unzip
 
-ARG KOTLIN_VERSION=2.0.0
-
-# Installs required dependencies
+FROM eclipse-temurin:${JAVA_VERSION}-alpine as alpine
 RUN apk add curl bash unzip
 
+FROM $DISTRIBUTION AS final
+
 # Installs Kotlin
+ARG KOTLIN_VERSION=2.0.0
 RUN curl -Lf "https://github.com/JetBrains/kotlin/releases/download/v$KOTLIN_VERSION/kotlin-compiler-$KOTLIN_VERSION.zip" -o kotlin.zip && \
     unzip -d /usr/local/ kotlin.zip && \
     rm kotlin.zip && \
     chmod -R +x /usr/local/kotlinc/bin/ && \
     ln -s /usr/local/kotlinc/bin/kotlin /bin/kotlin && \
     ln -s /usr/local/kotlinc/bin/kotlinc /bin/kotlinc
-
 ENV PATH=$PATH:/usr/local/kotlinc/bin/
 
 ENTRYPOINT ["/bin/kotlin"]