dave
51 lines
2.0 KiB
Docker
51 lines
2.0 KiB
Docker
# JVM stack overlay fragment.
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#
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# Layer this on top of huskies-project-base to produce a project container
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# with OpenJDK 21, Maven, and eclipse.jdt.ls (the canonical Java/JVM LSP).
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#
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# Build the combined image:
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# (echo "FROM huskies-project-base"; \
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# cat docker/stacks/jvm/Dockerfile.fragment) | \
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# docker build -t huskies-project-jvm -
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#
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# Adding a new stack: create docker/stacks/<name>/Dockerfile.fragment and
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# docker/stacks/<name>/markers — no changes to orchestration code required.
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USER root
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# OpenJDK 21 (current LTS) and Maven for build support.
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RUN apt-get update && apt-get install -y --no-install-recommends \
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openjdk-21-jdk-headless \
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maven \
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&& rm -rf /var/lib/apt/lists/*
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ENV JAVA_HOME="/usr/lib/jvm/java-21-openjdk-amd64"
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# Eclipse JDT Language Server — canonical LSP for Java/JVM (Java, Kotlin, Groovy).
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# Pin to a specific release; update JDTLS_VERSION + JDTLS_BUILD for upgrades.
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# All releases: https://github.com/eclipse-jdtls/eclipse.jdt.ls/releases
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ENV JDTLS_VERSION="1.38.0" \
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JDTLS_BUILD="202503271418"
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RUN mkdir -p /opt/jdtls \
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&& curl -fsSL \
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"https://download.eclipse.org/jdtls/milestones/${JDTLS_VERSION}/jdt-language-server-${JDTLS_VERSION}-${JDTLS_BUILD}.tar.gz" \
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| tar -xzf - -C /opt/jdtls
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# Wrapper script so `jdtls` is available as a PATH command.
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RUN { \
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echo '#!/bin/sh'; \
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echo 'JAR=$(ls /opt/jdtls/plugins/org.eclipse.equinox.launcher_*.jar 2>/dev/null | head -1)'; \
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echo 'exec java \'; \
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echo ' -Declipse.application=org.eclipse.jdt.ls.core.id1 \'; \
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echo ' -Dosgi.bundles.defaultStartLevel=4 \'; \
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echo ' -Declipse.product=org.eclipse.jdt.ls.core.product \'; \
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echo ' -Dlog.protocol=true \'; \
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echo ' -Dlog.level=ALL \'; \
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echo ' -jar "$JAR" \'; \
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echo ' -configuration /opt/jdtls/config_linux \'; \
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echo ' "$@"'; \
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} > /usr/local/bin/jdtls \
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&& chmod +x /usr/local/bin/jdtls
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USER huskies
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