Dockerfile-crac

FROM azul/zulu-openjdk:21-jdk-crac-latest AS builder
RUN apt-get -qq update && apt-get -qq install -y curl maven
ARG QUARKUS_DATASOURCE_JDBC_URL
ENV QUARKUS_DATASOURCE_JDBC_URL=$QUARKUS_DATASOURCE_JDBC_URL
ARG QUARKUS_DATASOURCE_USERNAME
ENV QUARKUS_DATASOURCE_USERNAME=$QUARKUS_DATASOURCE_USERNAME
ARG QUARKUS_DATASOURCE_PASSWORD
ENV QUARKUS_DATASOURCE_PASSWORD=$QUARKUS_DATASOURCE_PASSWORD

# Build the application
COPY ./pom.xml ./pom.xml
COPY src ./src/
RUN mvn clean package -ntp && mv target/quarkus-app/ /opt/quarkus-app

# Run the application and take a checkpoint
ENV ENDPOINT=http://localhost:8080/api/hello
RUN <<END_OF_SCRIPT
#!/bin/bash
java -Djdk.crac.collect-fd-stacktraces=true -XX:CRaCEngine=warp \
     -XX:CRaCCheckpointTo=/opt/crac-files -jar /opt/quarkus-app/quarkus-run.jar &
PID=$!
# Wait until the connection is opened
until curl --output /dev/null --silent --head --fail $ENDPOINT; do echo "..." &&  sleep 1; done
# Trigger the checkpoint
jcmd /opt/quarkus-app/quarkus-run.jar JDK.checkpoint
wait $PID || true
END_OF_SCRIPT

FROM azul/zulu-openjdk:21-jdk-crac-latest AS runtime
RUN apt-get -qq update && apt-get -qq install -y adduser
RUN addgroup --system --gid 1000 spring
RUN adduser --uid 1000 --gid 1000 spring

# Copy the application file and the checkpoint file to the final image
COPY --from=builder --chown=1000:1000 /opt/crac-files /opt/crac-files
COPY --from=builder --chown=1000:1000 /opt/quarkus-app/ /opt/quarkus-app

USER 1000:1000
EXPOSE 8080

# Restore the application from the checkpoint
CMD ["java", "-XX:CRaCEngine=warp", "-XX:CRaCRestoreFrom=/opt/crac-files"]