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FROM adoptopenjdk/openjdk11:alpine AS builder
WORKDIR /opt/antlr4
ARG ANTLR_VERSION="4.11.1"
ARG MAVEN_OPTS="-Xmx1G"
RUN apk add --no-cache maven git \
&& git clone https://github.com/antlr/antlr4.git \
&& cd antlr4 \
&& git checkout $ANTLR_VERSION \
&& mvn clean --projects tool --also-make \
&& mvn -DskipTests install --projects tool --also-make \
&& mv ./tool/target/antlr4-*-complete.jar antlr4-tool.jar
FROM adoptopenjdk/openjdk11:alpine-jre
ARG user=appuser
ARG group=appuser
ARG uid=1000
ARG gid=1000
RUN adduser \
--disabled-password \
--gecos "" \
--home "$(pwd)" \
--no-create-home \
--uid "${uid}" \
"${user}"
COPY --from=builder /opt/antlr4/antlr4/antlr4-tool.jar /usr/local/lib/
WORKDIR /work
ENTRYPOINT ["java", "-Xmx500M", "-cp", "/usr/local/lib/antlr4-tool.jar", "org.antlr.v4.Tool"]
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