Now, the handler needs to be modified to source the configuration from the environment variables by using "System.getEnv(String variableName)".
The modified code looks as follows:
@Override public String handleRequest(String greetee, Context context) { LambdaLogger logger = context.getLogger(); logger.log("Lets greet "+ greetee); String userName = System.getenv("databaseUsername"); String password = System.getenv("databasePassword"); String databaseUrl = System.getenv("databaseUrl"); String databasePort = System.getenv("databasePort"); String databaseName = System.getenv("databaseName"); StringBuilder sb = new StringBuilder(); sb.append("jdbc:postgresql://"); sb.append(databaseUrl); ...