Variables got all switched to "PLAINTEXT"

CLUSTER_ID="pnHyFfvWT6i2F2wZzSUx6A"

KAFKA_PROCESS_ROLES="broker,controller"

KAFKA_NODE_ID="1"

KAFKA_CONTROLLER_QUORUM_VOTERS="1@cp-kafka.railway.internal:9093"

KAFKA_LISTENERS="PLAINTEXT://[::]:9092,CONTROLLER://[::]:9093"

KAFKA_ADVERTISED_LISTENERS="PLAINTEXT://${{RAILWAY_PRIVATE_DOMAIN}}:9092"

KAFKA_LISTENER_SECURITY_PROTOCOL_MAP="PLAINTEXT:PLAINTEXT,CONTROLLER:PLAINTEXT"

KAFKA_INTER_BROKER_LISTENER_NAME="PLAINTEXT"

KAFKA_CONTROLLER_LISTENER_NAMES="CONTROLLER"

KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR="1"

KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR="1"

KAFKA_TRANSACTION_STATE_LOG_MIN_ISR="1"