43 lines
1.5 KiB
Docker
43 lines
1.5 KiB
Docker
FROM docker.io/library/eclipse-temurin:21-jdk-alpine
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ARG SCALA_VERSION
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ENV SCALA_VERSION ${SCALA_VERSION:-3.4.0}
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ARG SBT_VERSION
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ENV SBT_VERSION ${SBT_VERSION:-1.9.9}
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# git is required for checkout
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# python3 is required for pre-commit
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# node is required for Forgejo checkout
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RUN apk add curl bash git docker python3 py3-pip nodejs npm
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RUN pip3 install pre-commit --break-system-packages
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# Create the user - builds do not run as root.
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RUN addgroup -S -g 1000 builder
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RUN adduser -S -h /home/builder -s /bin/bash -G builder -u 1000 builder
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# Switch to the build user. Everything else is installed at this level.
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USER builder
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WORKDIR /home/builder
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# Coursier provides all Scala development requirements.
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RUN curl -fLo coursier https://github.com/coursier/launchers/raw/master/coursier
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RUN chmod +x coursier
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RUN ./coursier setup --yes
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RUN rm ./coursier
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RUN mkdir -p /home/builder/.local/bin
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ENV PATH="${PATH}:/home/builder/.local/share/coursier/bin"
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ENV PATH="${PATH}:/home/builder/.local/bin"
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# Make Git not complain.
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RUN git config --global init.defaultBranch main
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# Warm up the SBT cache (taken from official SBT Docker image).
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RUN \
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sbt sbtVersion && \
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mkdir -p project && \
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echo "scalaVersion := \"${SCALA_VERSION}\"" > build.sbt && \
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echo "sbt.version=${SBT_VERSION}" > project/build.properties && \
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echo "// force sbt compiler-bridge download" > project/Dependencies.scala && \
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echo "case object Temp" > Temp.scala && \
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sbt compile && \
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rm -r project && rm build.sbt && rm Temp.scala && rm -r target
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