How to run this project KAFKA_ROOT_DIR=`~/path/to/kafka_2.x-x.x.x` PROJECT_ROOT=`~/path/to/project/root/` Messaging Queue common usage Start Zookeeper "$KAFKA_ROOT_DIR/bin/zookeeper-server-start.sh" "$KAFKA_ROOT_DIR/config/zookeeper.properties" Start Kafka Broker "$KAFKA_ROOT_DIR/bin/kafka-server-start.sh" "$KAFKA_ROOT_DIR/config/server.properties" Delete Topic "$KAFKA_ROOT_DIR/bin/kafka-topics.sh" -bootstrap-server localhost:9092 --delete --topic ProblemSubmittion Start consumer "$KAFKA_ROOT_DIR/bin/kafka-console-consumer.sh" -bootstrap-server localhost:9092 --topic ProblemSubmittion --from-beginning Start Postgres brew services start postgresql@14 Run Backend cd "$PROJECT_ROOT/judge" ./gradlew bootrun Run CodeExecutor cd "$PROJECT_ROOT/code_executor" ./gradlew bootrun Start Frontend cd "$PROJECT_ROOT/webapp" npm start