ydudar/scala-sbt repository overview

FROM openjdk:8-jdk-alpine

ARG SCALA_VERSION ARG SBT_VERSION

ENV SCALA_VERSION ${SCALA_VERSION:-2.12.6} ENV SBT_VERSION ${SBT_VERSION:-1.1.5}

RUN
echo "building docker image for scala $SCALA_VERSION sbt $SBT_VERSION"

RUN
echo "Setting up JDK and base system" &&
mkdir -p /usr/lib/jvm/java-1.8-openjdk/jre &&
touch /usr/lib/jvm/java-1.8-openjdk/jre/release &&
apk add --no-cache bash &&
apk add --no-cache curl &&
apk add --no-cache git &&
apk add --no-cache openssh-client

RUN
echo "Downloading and setting up Scala $SCALA_VERSION" &&
curl -fsL http://downloads.typesafe.com/scala/$SCALA_VERSION/scala-$SCALA_VERSION.tgz⁠ | tar xfz - -C /usr/local &&
ln -s /usr/local/scala-$SCALA_VERSION/bin/* /usr/local/bin/ &&
scala -version &&
scalac -version

RUN
echo "Downloading and setting up SBT ${SBT_VERSION}" &&
SBT_URL="https://github.com/sbt/sbt/releases/download/v$SBT_VERSION/sbt-$SBT_VERSION.tgz⁠" &&
curl -fsL $SBT_URL | tar xfz - -C /usr/local &&
$(mv /usr/local/sbt-launcher-packaging-$SBT_VERSION /usr/local/sbt || true)
ln -s /usr/local/sbt/bin/* /usr/local/bin/ &&
sbt sbtVersion