FROM public.ecr.aws/docker/library/flink:1.20.0-scala_2.12-java17

# Set working directory
WORKDIR /opt/flink

# Set environment variables for Flink mini-cluster
ENV FLINK_HOME /opt/flink
ENV PATH=$FLINK_HOME/bin:$PATH

# Expose necessary ports for the Flink UI (JobManager) and job manager
EXPOSE 8081 6123

COPY ./start-cluster.sh /opt/flink/bin/start-cluster.sh
RUN chmod +x /opt/flink/bin/start-cluster.sh

# Command to start Flink JobManager and TaskManager in a mini-cluster setup
CMD ["bin/start-cluster.sh"]