taskmanager.sh

#!/bin/bash

echo "Downloading JDBC drivers..."

# Download PostgreSQL JDBC driver
if [ ! -f "/opt/flink/lib/postgresql-42.7.1.jar" ]; then
    echo "Downloading PostgreSQL JDBC driver..."
    wget -O /opt/flink/lib/postgresql-42.7.1.jar https://jdbc.postgresql.org/download/postgresql-42.7.1.jar
fi

# Download MSSQL JDBC driver
if [ ! -f "/opt/flink/lib/mssql-jdbc-12.4.1.jre11.jar" ]; then
    echo "Downloading MSSQL JDBC driver..."
    wget -O /opt/flink/lib/mssql-jdbc-12.4.1.jre11.jar https://repo1.maven.org/maven2/com/microsoft/sqlserver/mssql-jdbc/12.4.1.jre11/mssql-jdbc-12.4.1.jre11.jar
fi







# Download Flink SQL Gateway API
if [ ! -f "/opt/flink/lib/flink-sql-gateway-api-1.20.0.jar" ]; then
    echo "Downloading Flink SQL Gateway API..."
    wget -O /opt/flink/lib/flink-sql-gateway-api-1.20.0.jar https://repo1.maven.org/maven2/org/apache/flink/flink-sql-gateway-api/1.20.0/flink-sql-gateway-api-1.20.0.jar
fi

echo "JDBC drivers downloaded successfully"

# Start taskmanager
echo "Starting Flink TaskManager..."
exec /docker-entrypoint.sh taskmanager