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1 changed files with 5 additions and 2 deletions
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@ -11,14 +11,17 @@ ENV PATH=${SBT_HOME}/bin:${PATH}
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# Install required tools and the specific version of SBT
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# The .tgz for 0.13.11 is missing from GitHub releases. We'll install it manually.
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RUN apt-get update && \
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apt-get install -y curl && \
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# Install certificates for HTTPS, curl to download, and unzip to verify
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apt-get install -y ca-certificates curl unzip && \
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mkdir -p "${SBT_HOME}/bin" && \
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curl -L -o "${SBT_HOME}/bin/sbt-launch.jar" "https://repo1.maven.org/maven2/org/scala-sbt/sbt-launch/${SBT_VERSION}/sbt-launch-${SBT_VERSION}.jar" && \
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# Verify the downloaded JAR is valid
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unzip -t "${SBT_HOME}/bin/sbt-launch.jar" && \
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echo '#!/bin/sh' > "${SBT_HOME}/bin/sbt" && \
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echo 'SBT_OPTS="-Xms512M -Xmx1536M -Xss1M -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=256M"' >> "${SBT_HOME}/bin/sbt" && \
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echo 'java $SBT_OPTS -jar `dirname $0`/sbt-launch.jar "$@"' >> "${SBT_HOME}/bin/sbt" && \
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chmod 0755 "${SBT_HOME}/bin/sbt" && \
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apt-get purge -y --auto-remove curl && \
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apt-get purge -y --auto-remove curl unzip && \
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rm -rf /var/lib/apt/lists/*
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WORKDIR /app
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