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2 changes: 1 addition & 1 deletion .github/workflows/build-multiarch.yml
Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ jobs:
# JAVA 20:
- variant: java20
baseImage: eclipse-temurin:20-jre
platforms: linux/amd64,linux/arm/v7,linux/arm64
platforms: linux/amd64,linux/arm64
mcVersion: 1.19.3
- variant: java20-alpine
baseImage: eclipse-temurin:20-jre-alpine
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20 changes: 16 additions & 4 deletions .github/workflows/verify-pr.yml
Original file line number Diff line number Diff line change
Expand Up @@ -24,18 +24,18 @@ jobs:
# JAVA 20:
- variant: java20
baseImage: eclipse-temurin:20-jre
platforms: linux/amd64,linux/arm/v7,linux/arm64
mcVersion: 1.19.3
platforms: linux/amd64,linux/arm64
mcVersion: 1.19.4
# JAVA 17:
- variant: java17
# jammy doesn't work until minecraft updates to https://github.com/netty/netty/issues/12343
baseImage: eclipse-temurin:17-jre-focal
platforms: linux/amd64
mcVersion: 1.18.2
mcVersion: 1.19.4
- variant: java17-alpine
baseImage: eclipse-temurin:17-jre-alpine
platforms: linux/amd64
mcVersion: 1.18.2
mcVersion: 1.19.4
- variant: java8-multiarch
baseImage: eclipse-temurin:8u312-b07-jre-focal
platforms: linux/amd64
Expand All @@ -53,9 +53,21 @@ jobs:
- name: Setup Docker Buildx
uses: docker/setup-buildx-action@v2

- name: Confirm multi-arch build
uses: docker/build-push-action@v3.3.0
with:
platforms: ${{ matrix.platforms }}
# ensure latest base image is used
pull: true
build-args: |
BASE_IMAGE=${{ matrix.baseImage }}
cache-from: type=gha,scope=${{ matrix.variant }}

- name: Build for test
uses: docker/build-push-action@v3.3.0
with:
# Only build single platform since loading multi-arch image into daemon fails with
# "docker exporter does not currently support exporting manifest lists"
platforms: linux/amd64
tags: ${{ env.IMAGE_TO_TEST }}
# ensure latest base image is used
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2 changes: 1 addition & 1 deletion docs/versions/java.md
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ When using the image `itzg/minecraft-server` without a tag, the `latest` image t
| java17-graalvm-ce | 17 | Oracle | GraalVM CE | amd64,arm64 |
| java17-alpine | 17 | Alpine | Hotspot | amd64 |
| java20-alpine | 19 | Alpine | Hotspot | amd64 |
| java20 | 19 | Ubuntu | Hotspot | amd64,arm64,armv7 |
| java20 | 19 | Ubuntu | Hotspot | amd64,arm64 |

For example, to use Java version 8 on any supported architecture:

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