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You can merge multiple outputs into a single structured output, then apply them. I don't know the python syntax, but the TypeScript equivalent would be

const airflowArgs = Output.all([
  airflowAddress,
  airFlowPassword
]).apply(([addr, pwd]) => return { // Building structured output here.
  address: addr,
  password: pwd
});
airflowArgs.apply(args => { // Applying structured output here, effectively translating positional args to named args.
  return {
    name: "AIRFLOW_CONN_METADATA_DB",
    value: `<postgres+psycopg2://airflow:{args.password}@{args.address}:5432/airflow>`
  };
});

You can do this in as small or large chunks as you like.

Hmm ok, that does look a lot better! I'll have to try it out in Python 🙂