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pavelgordon/Dockerfile

Created September 8, 2020 19:53
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Docker file for Gradle projects(e.g. Ktor). Requires jar file at build/libs/yourapp.jar directory(= run gradle build command before)
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Dockerfile
FROM openjdk:8-jre-alpine
ENV APPLICATION_USER ktor
RUN adduser -D -g '' $APPLICATION_USER
RUN ls -la
RUN mkdir /app
RUN chown -R $APPLICATION_USER /app
USER $APPLICATION_USER
RUN ls -la
COPY ./build/libs/yourapp.jar /app/yourapp.jar
WORKDIR /app
CMD ["java", "-server", "-XX:+UnlockExperimentalVMOptions", "-XX:+UseCGroupMemoryLimitForHeap", "-XX:InitialRAMFraction=2", "-XX:MinRAMFraction=2", "-XX:MaxRAMFraction=2", "-XX:+UseG1GC", "-XX:MaxGCPauseMillis=100", "-XX:+UseStringDeduplication", "-jar", "yourapp.jar"]
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