Common functionality library for Backstage backends, implementing logging, error handling and similar.
Add the library to your backend package:
# From your Backstage root directory
yarn --cwd packages/backend add @backstage/backend-common
then make use of the handlers and logger as necessary:
import {
errorHandler,
getRootLogger,
notFoundHandler,
requestLoggingHandler,
} from '@backstage/backend-common';
const app = express();
app.use(requestLoggingHandler());
app.use('/home', myHomeRouter);
app.use(notFoundHandler());
app.use(errorHandler());
app.listen(PORT, () => {
getRootLogger().info(`Listening on port ${PORT}`);
});